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Austraturus carewae sp. nov. (figs. 1–2) Zoobank: https://zoobank.org/urn:lsid:zoobank.org:act:F18549BB-864A-4461-936A-233948312903 Material examined. Holotype male (NMV), McCrae Creek, Victoria, Australia, 37.81729219 S, 145.5059157 E, 14 November 2018, leg. C. Kellar and K. Stevenson (sequenced; BOLD: AFWM084-21). Diagnosis. A pair of enlarged setae on the dorsal posteromedial plate placed close and laterally to the anterior pair of glandularia, posterior margin of posteromedial plate with a rounded extension; tips of Cx-I bluntly pointed; P-2 with three stout denticles; IV-L-4 ventral margin with a rounded extension in the proximal part, bearing six setae of which the anterior is long and stout. Description. Male: idiosoma dorsally 347 long and 305 wide, ventrally 430 long. Ventral and dorsal shield with a colour pattern as illustrated in fig. 2A–B. Frontal margin rounded; dorsum with paired anteromedial plates, an unpaired posteromedial plate and two paired lateral plates. Anterolateral dorsal platelets with two pairs of glandularia, posterolateral dorsal plates with one pair of glandularia without enlarged setae. Posteromedial plate with only the anterior pair of glandularia with enlarged setae; posterior margin with a somewhat broad and rounded extension. Gnathosomal bay 101 long, tips of Cx-I bluntly pointed, coxae fused to ventral shield, suture lines lightly visible. Glandularia of Cx-IV closer to posterior margin than to anterior margin. Near anterior end of gonopore two pairs of glandularia, the anterior pair closer to each other than posterior pair. Genital field with numerous acetabula, poorly visible in ventral view. Gonopore narrow, 72 long. Palp: dorsal length/height, ratio: P-1, 20/22, 0.9; P-2, 70/64, 1.1; P-3, 55/32, 1.73; P-4, 117/21, 5.5; P-5, 31/10, 3.1; P-2/P-4 length ratio 0.6. P-2 with three stout ventral denticles, P-4 slender (fig. 1C). Legs: dorsal length of I-L-2-5: 48, 58, 81, 81; dorsal length of IV-L-1-6: 59, 77, 72, 84, 83, 108. IV-L-4 ventral margin with a rounded extension in the proximal part, bearing six setae of which the anterior seta is longer and stouter (Figures 1D-E), dorsal sector concave, here with three setae; IV-L-5 ventrally with four setae. Etymology. Named after Melissa E. Carew, University of Melbourne. Discussion. The new species is most similar to Austraturus sagittalis Smit, 2018. The latter species, known from a male collected in a small creek in Queensland, differs from the new species in a broad arrow-shaped posterior extension of the posteromedial plate. While the new species’ anterior pair of glandularia of the posteromedial plate are more distanced from the associated setae, the latter’s setae are comparatively more slender. Other differences can be found in the shape of IV-L-4 and -5 (IV-L-4 ventrally with eight setae and an anteroventral extension, and more medially three setae of which the most anterior seta is the longest; IV-L-5 ventrally with six setae). Moreover, in A. sagittalis the tips of Cx-I are truncated and P-2 possesses only two stout ventral denticles (see Smit 2018). Austraturus projectus Cook, 1986, a species known from Tasmania, is somewhat similar in the shape of the posteromedial dorsal plate and its setae, but the anteromedial dorsal plates are projecting, the tips of Cx-I are truncated and P-2 has two rather stout, short ventral setae.

Austraturus carewae sp. nov. (figs. 1–2) Zoobank: https://zoobank.org/urn:lsid:zoobank.org:act:F18549BB-864A-4461-936A-233948312903 Material examined. Holotype male (NMV), McCrae Creek, Victoria, Australia, 37.81729219 S, 145.5059157 E, 14 November 2018, leg. C. Kellar and K. Stevenson (sequenced; BOLD: AFWM084-21). Diagnosis. A pair of enlarged setae on the dorsal posteromedial plate placed close and laterally to the anterior pair of glandularia, posterior margin of posteromedial plate with a rounded extension; tips of Cx-I bluntly pointed; P-2 with three stout denticles; IV-L-4 ventral margin with a rounded extension in the proximal part, bearing six setae of which the anterior is long and stout. Description. Male: idiosoma dorsally 347 long and 305 wide, ventrally 430 long. Ventral and dorsal shield with a colour pattern as illustrated in fig. 2A–B. Frontal margin rounded; dorsum with paired anteromedial plates, an unpaired posteromedial plate and two paired lateral plates. Anterolateral dorsal platelets with two pairs of glandularia, posterolateral dorsal plates with one pair of glandularia without enlarged setae. Posteromedial plate with only the anterior pair of glandularia with enlarged setae; posterior margin with a somewhat broad and rounded extension. Gnathosomal bay 101 long, tips of Cx-I bluntly pointed, coxae fused to ventral shield, suture lines lightly visible. Glandularia of Cx-IV closer to posterior margin than to anterior margin. Near anterior end of gonopore two pairs of glandularia, the anterior pair closer to each other than posterior pair. Genital field with numerous acetabula, poorly visible in ventral view. Gonopore narrow, 72 long. Palp: dorsal length/height, ratio: P-1, 20/22, 0.9; P-2, 70/64, 1.1; P-3, 55/32, 1.73; P-4, 117/21, 5.5; P-5, 31/10, 3.1; P-2/P-4 length ratio 0.6. P-2 with three stout ventral denticles, P-4 slender (fig. 1C). Legs: dorsal length of I-L-2-5: 48, 58, 81, 81; dorsal length of IV-L-1-6: 59, 77, 72, 84, 83, 108. IV-L-4 ventral margin with a rounded extension in the proximal part, bearing six setae of which the anterior seta is longer and stouter (Figures 1D-E), dorsal sector concave, here with three setae; IV-L-5 ventrally with four setae. Etymology. Named after Melissa E. Carew, University of Melbourne. Discussion. The new species is most similar to Austraturus sagittalis Smit, 2018. The latter species, known from a male collected in a small creek in Queensland, differs from the new species in a broad arrow-shaped posterior extension of the posteromedial plate. While the new species’ anterior pair of glandularia of the posteromedial plate are more distanced from the associated setae, the latter’s setae are comparatively more slender. Other differences can be found in the shape of IV-L-4 and -5 (IV-L-4 ventrally with eight setae and an anteroventral extension, and more medially three setae of which the most anterior seta is the longest; IV-L-5 ventrally with six setae). Moreover, in A. sagittalis the tips of Cx-I are truncated and P-2 possesses only two stout ventral denticles (see Smit 2018). Austraturus projectus Cook, 1986, a species known from Tasmania, is somewhat similar in the shape of the posteromedial dorsal plate and its setae, but the anteromedial dorsal plates are projecting, the tips of Cx-I are truncated and P-2 has two rather stout, short ventral setae., Published as part of Pešić, Vladimir & Smit, Harry, 2023, A new species of the water mite genus Austraturus K. O. Viets, 1978 from Victoria, Australia (Acari: Aturidae: Notoaturinae), pp. 49-53 in Memoirs of Museum Victoria 82 on pages 50-52, DOI: 10.24199/j.mmv.2023.82.02, http://zenodo.org/record/8065622, {"references":["Smit, H. 2018. New records of aturid water mites from Australia (Acari: Hydrachnidia, Auturidae), with the description of fifteen new species. Zootaxa 4425: 1 - 28. https: // doi. org / 10.11646 / zootaxa. 4425.1.1","Cook, D. R. 1986. Water mites from Australia. Memoirs of the American Entomological Institute 40: 1 - 568."]}

Smit, H. and Pešić, V. 2023. A new species of the water mite genus Austraturus K.O. Viets, 1978 from Victoria, Australia (Acari: Aturidae: Notoaturinae). Memoirs of Museum Victoria 82: 49–53. A new species of the water mite genus Austraturus K.O. Viets (Acari: Aturidae: Notoaturinae) is described, and a list of successfully barcoded Australian water mites is provided.

Hesperomomonia gracilipes sp. nov. Figs. 1A–H Material examined— Holotype ♁, dissected and slide mounted, Australia, Queensland, Little Yabba Creek, at crossing with road to Kenilworth-Maleny, 26°37.437 S, 152°41.334 E, alt. 98 m, 19-xi-2014 leg. Smit (QM). Paratypes: 1♁, 2♀, same data as holotype (RMNH), 1♀, same data as holotype, dissected and slide mounted (QM). Other material— Australia, Queensland, Conondale NP, Booloumba Creek, at crossing with Booloumba Creek Road, hyporheic, 26°38.084 S, 152°38.990 E alt. 141 m, 19-xi-2014, leg. Smit 1♁ (RMNH). Diagnosis —Large anterior dorsal plate with postocularia and two pairs of associated setae, shifted to lateral margins of the plate; large posterior dorsal plate with three pairs of associated setae; I-leg-6 relatively slender, length/height ratio 4.1 Description. General features —Dorsal and ventral shields present; eyes present but small. Dorsum with two large plates, dorsoglandularia on these plates lacking, only associated setae present. Anterior plate with postocularia and two pairs of associated setae, both shifted to lateral margins of the plate; posterior plate with three pairs of associated setae (Figures 1A, B). Lateral of these large plates two platelets with glandularia, and two platelets without glandularia or associated setae. Moreover, two pairs of minute platelets lateral of large platelets. Ventral shield undivided. Gnathosomal bay moderately long, basally rounded; suture lines of coxae obliterated. Genital field with three pairs of acetabula situated on the gonopore (Figures 1C–D). Excretory pore closer to posterior idiosoma margin than to genital field. Chelicera two-segmented (Fig. 1E). P-IV enlarged, with two strong and pointed ventral setae; P-V with a heavy terminal seta (Fig. 1F). I-leg-6 typical for the family Momoniidae, claws enlarged, folded backwards towards the segment base, dorsal clawlet pointed, ventral clawlet rounded; I-leg-5 elongated (Figs. 1 G-H). Claws of legs II-IV with large clawlet and small claw blade. Male (holotype)—Anterior dorsal plate 306 long and 411 wide; posterior dorsal plate 326 long and 397 wide. Ventral shield 684 long and 525 wide; gnathosomal bay 94 long. Gonopore small and oval, 51 long and 44 wide. Ejaculatory complex 130 long. Gnathosoma ventrally 80 long. Chelicera 109 long, basal segment 81 long, claw 23 long, length ratio basal segment/ claw ratio 3.5. Palp total length 240, dorsal length/height, ratio: P-1, 19/21, 0.9; P-2, 64/41, 1.58; P-3, 39/30, 1.29; P-4, 68/31, 2.17; P-5, 50/16, 3.21. Dorsal lengths of I-leg: 45, 73, 119, 109, 283, 152; dorsal lengths of IV-leg: 75, 89, 106, 141, 175, 167. Female (paratype)—Anterior dorsal plate 334 long and 448 wide; posterior dorsal plate 331 long and 433 wide. Ventral shield 714 long and 550 wide; gnathosomal bay 99 long. Gonopore 139 long and 122 wide, pear-shaped, each pair of three acetabula on a small platelet, these platelets 59 in length. Egg maximum diameter (n=1) 163. Gnathosoma ventrally 88 long. Chelicera 105 long, basal segment 78 long, claw 25 long, length ratio basal segment/claw ratio 3.1. Palp total length 244, dorsal length/height, ratio: P-1, 19/23, 0.82; P-2, 66/48, 1.38; P-3, 41/34, 1.18; P-4, 70/31, 2.22; P-5, 48/16, 3.1. Dorsal lengths of I-leg: 50, 78, 122, 116, 293, 153; dorsal lengths of IV-leg: 77, 92, 109, 145, 186, 174. Etymology —Named for the relatively slender first leg. Remarks — Hesperomomonia similis Smit, 2007, a species known from a single female specimen collected in the hyporheic of Hortons Creek in New South Wales (Smit 2007), differs in the position of the setae on the anterior dorsal plate with the posterior pair much closer to each other than the anterior pair, and by having two pairs of setae instead of three on the posterior dorsal plate in H.gracilipes sp. nov. Hesperomomonia humphreysi Harvey, 1998 a species known in both sexes from Western Australia shares with the new species a similar arrangement of setae on both the anterior and posterior dorsal plates, but differs in having a stouter I-Leg-6 (length/height ratio 3.4 vs. 4.1 in H. gracilipes nov. sp.; ratio for H. humphreysi calculated from Fig. 24 in Harvey 1998)., Published as part of Smit, Harry & Pešić, Vladimir, 2023, A new species of the water mite genus Hesperomomonia Harvey, 1998 from Australia (Acari: Hydrachnidia: Momoniidae), pp. 148-150 in Zootaxa 5311 (1) on pages 148-150, DOI: 10.11646/zootaxa.5311.1.8, http://zenodo.org/record/8090517, {"references":["Smit, H. (2007) New records of hyporheic water mites from Australis, with a description of two new genera and ten new species (Acari: Hydrachnidia). Records of the Australian Museum, 59, 97 - 116. https: // doi. org / 10.3853 / j. 0067 - 1975.59.2007.1486","Harvey, M. S. (1998) Unusual new water mites (Acari: Hydracarina) from Australia, Part 1. Records of the Western Australian Museum, 19, 91 - 106."]}

Smit, Harry, Pešić, Vladimir (2023): A new species of the water mite genus Hesperomomonia Harvey, 1998 from Australia (Acari: Hydrachnidia: Momoniidae). Zootaxa 5311 (1): 148-150, DOI: 10.11646/zootaxa.5311.1.8, URL: http://dx.doi.org/10.11646/zootaxa.5311.1.8

We describe a new species, Teutonia corsicana sp. nov. from Corsica, France using morphological data and DNA barcodes. Morphologically the new species can be separated on the basis of the female pregenital sclerite partially covered by genital flaps, and in both sexes a broad-based, triangular ventral projection of P-2 and slender P-3 (L/H ratio 1.6-1.7). The average K2P-distance between DNA-barcode sequences of T. corsicana sp. nov. and widely distributed T. cometes (Koch, 1837) was estimated at 18.7±1.9 %. An updated key for the European species of Teutonia is provided.

Aturus bhutanensis sp. nov. Type material. Holotype male [one fourth leg missing], Chuserbu stream, Bhutan, 6 November 2021, altitude 2666 m a.s.l, 27.502465N 90.317826E, leg. M.M. Gurung (NBC) Diagnosis. Idiosoma posteriorly with a median cleft, lateral of this cleft two pairs of hyaline blade-like setae, dorsal shield posteriorly with a pair of sclerotized ridges, posterior to these ridges a row of 22—23 pairs of setae; setae of Lgl-1, Lgl-2 and Dgl-1 bifurcated. P2 distally with a large ventro-medial seta. Description. Male: Idiosoma dorsally 324 long and 288 wide, ventrally 381 long. Integument reticulated. Lgl-1 and Lgl-2 with bifurcated setae, Lgl-3 and Lgl-4 with simple setae. Posterior to the four platelets bearing the Lgl a group of small setae. Postocularia well separated on the level of Lgl-1. Dgl-1 with bifurcated setae. Posterior part of dorsal shield with a pair of sclerotized ridges, posterior to these a row of 22–23 pairs of setae; anterior to these ridges an open elliptical structure encompassing an area of non-reticulated integument. Idiosoma margin with numerous long setae, especially the most anterior of these setae larger than the more posterior setae. Posterior margin of the idiosoma with a cleft, lateral to the cleft two pairs of inflated setae, the lateral pair smaller than the central pair. Coxal suture lines incomplete. Near posterior margin of venter a row of 12–13 acetabula. Length of P1-5: 25, 55, 50, 74, 40. Near ventral margin of P2 a short, pointed seta on a short setal tubercle. Length of I-leg-4–6: 82, 85, 70. Length of IV-leg-4–6: 118, 124, 130. IV-leg-4 distoventrally with two stout, sword-like setae, ventral margin with two slender long setae; IV-leg-5 with five setae (not well visible in mounted fourth leg) and a long bifurcated seta. III-leg-5 with nine setae near ventral margin on one (lateral?) side, two longer setae on the other (medial?) side and two ventro-distal setae being the longest of all setae of the third leg. Leg claws with a clawlet. Female: Unknown. Several females have been collected on other locations, but without accompanying males. These females could not be assigned to the new species. Etymology. Named after the country from where the new species was collected. Remarks. Several Aturus species have the posterior margin with balloon-like setae as in the new species. Due to the presence of bifurcated setae of Lgl-1, Lgl-2 and Dgl-3, Aturus intermedius Protz, 1900 and Aturus caucasicus Tuzovskij, 2022 are the most similar to the new species. Though both species lack the sclerotized pair of ridges of the dorsal shield (Gerecke 2014, Tuzovskij 2022) and the row of setae posterior to these ridges. 1A-F Aturus bhutanensis sp. nov., holotype male. A = dorsum; B= venter; C = left palp medial view; D = right palp lateral view; E = III-leg-5–6; F = IV-leg-4–6. All scale bars 50 µm., Published as part of Smit, Harry & Gurung, Mer Man, 2022, Description of the first species of the water mite genus Aturus Kramer, 1875 from the Himalaya Mountains (Acari: Hydrachnidia: Aturidae), pp. 494-496 in Zootaxa 5169 (5) on pages 494-495, DOI: 10.11646/zootaxa.5169.5.8, http://zenodo.org/record/6952767, {"references":["Tuzovskij, P. V. (2022) A new water mite species of the genus Aturus Kramer, 1875 (Acari, Hydrachnidia, Aturidae) from North Caucasus. Zootaxa, 5104, 445 - 450. https: // doi. org / 10.11646 / zootaxa. 5104.3.9","Gerecke, R. (2014) Studies on European species of the water mite family Aturidae Thor (Acari: Hydrachnidia). Zootaxa, 3841, 1 - 46. https: // doi. org / 10.11646 / zootaxa. 3841.1.1"]}

Aturus bhutanensis sp. nov. Type material. Holotype male [one fourth leg missing], Chuserbu stream, Bhutan, 6 November 2021, altitude 2666 m a.s.l, 27.502465N 90.317826E, leg. M.M. Gurung (NBC) Diagnosis. Idiosoma posteriorly with a median cleft, lateral of this cleft two pairs of hyaline blade-like setae, dorsal shield posteriorly with a pair of sclerotized ridges, posterior to these ridges a row of 22—23 pairs of setae; setae of Lgl-1, Lgl-2 and Dgl-1 bifurcated. P2 distally with a large ventro-medial seta. Description. Male: Idiosoma dorsally 324 long and 288 wide, ventrally 381 long. Integument reticulated. Lgl-1 and Lgl-2 with bifurcated setae, Lgl-3 and Lgl-4 with simple setae. Posterior to the four platelets bearing the Lgl a group of small setae. Postocularia well separated on the level of Lgl-1. Dgl-1 with bifurcated setae. Posterior part of dorsal shield with a pair of sclerotized ridges, posterior to these a row of 22–23 pairs of setae; anterior to these ridges an open elliptical structure encompassing an area of non-reticulated integument. Idiosoma margin with numerous long setae, especially the most anterior of these setae larger than the more posterior setae. Posterior margin of the idiosoma with a cleft, lateral to the cleft two pairs of inflated setae, the lateral pair smaller than the central pair. Coxal suture lines incomplete. Near posterior margin of venter a row of 12–13 acetabula. Length of P1-5: 25, 55, 50, 74, 40. Near ventral margin of P2 a short, pointed seta on a short setal tubercle. Length of I-leg-4–6: 82, 85, 70. Length of IV-leg-4–6: 118, 124, 130. IV-leg-4 distoventrally with two stout, sword-like setae, ventral margin with two slender long setae; IV-leg-5 with five setae (not well visible in mounted fourth leg) and a long bifurcated seta. III-leg-5 with nine setae near ventral margin on one (lateral?) side, two longer setae on the other (medial?) side and two ventro-distal setae being the longest of all setae of the third leg. Leg claws with a clawlet. Female: Unknown. Several females have been collected on other locations, but without accompanying males. These females could not be assigned to the new species. Etymology. Named after the country from where the new species was collected. Remarks. Several Aturus species have the posterior margin with balloon-like setae as in the new species. Due to the presence of bifurcated setae of Lgl-1, Lgl-2 and Dgl-3, Aturus intermedius Protz, 1900 and Aturus caucasicus Tuzovskij, 2022 are the most similar to the new species. Though both species lack the sclerotized pair of ridges of the dorsal shield (Gerecke 2014, Tuzovskij 2022) and the row of setae posterior to these ridges. 1A-F Aturus bhutanensis sp. nov., holotype male. A = dorsum; B= venter; C = left palp medial view; D = right palp lateral view; E = III-leg-5–6; F = IV-leg-4–6. All scale bars 50 µm.

Arrenurus europaeus sp. nov. (Figs. 1‒5) Material examined. Holotype male, turbary Meentegat, province of Overijssel, the Netherlands, 52.77423 N 5.93243 E, 20 May 2021, leg. R. Heusinkveld (RMNH). Paratype: One male, Lake Plavno, Berezinsky Biosphere Reserve, Belarus, 54.80920 N 28.42385 E, altitude 164 m a.s.l., 8 July 2015, leg. H. Smit (RMNH). Diagnosis. Lateral margins of cauda convex, cauda with distinct posterolateral extensions, posterior margin of cauda with a pair of small rounded extensions, anterior to Dgl-4 two small humps. Description. Male: Idiosoma yellowish, dorsally 1110 (1142) long and 599 (616) wide, ventrally 1069 (1118) long; height of idiosoma 551 (599). Anterior margin of idiosoma slightly indented. Dorsal shield incomplete, 401 (421) wide, passing onto ventral side of cauda. Cauda approximately 421 long, 263 (288) widest in the middle and 198 (211) wide posteriorly. Lateral margins of cauda convex, cauda with distinct posterolateral extensions. Anterior to Dgl-4 two small humps (Fig. 3). Posterior margin of cauda with two small, rounded extensions (Fig. 1). A rudimentary, drop-shaped petiole present near posterior margin of cauda. Anterior coxae not reaching anterior idiosoma margin. Coxae-III+IV well separated medially, medial margin of Cx-IV much longer than medial margin of Cx-III (Fig. 2). Gonopore 54 long, genital plates broad and extending to lateral idiosoma margin. Length of P1-5: 38, 80, 50, 88, 46. P2 anteroventrally with two setae, more medially one more seta (Fig. 4). Length of I-leg-4-6: 146, 160, 176. Length of IV-leg-4-6: 192, 186, 227; IV-leg-4 with a spur (Fig. 5). Third and fourth legs with many swimming setae. Legs claws with clawlet and a moderately sized lamella. Female: Unknown. Etymology. Named for its occurrence in Europe. Discussion. The new species is morphologically very similar to Arrenurus buccinator (Müller, 1776). The latter species is larger (usually well above 1300), the posterolateral extensions of the cauda are indistinct and the rounded extensions of the posterior margin of the cauda are larger. Moreover, the two small setae on the posterior part of the cauda are lying closer to each other compared to the new species. Arrenurus muelleri Koenike, 1901, A. inflexus Bader, 1955 and A. latigenitalis Lundblad, 1956 are of similar size but have the posterior part of the cauda truncated. Arrenurus geminus Piersig, 1901 lacks the posterolateral extensions of the cauda and the cauda has posteriorly a concavity. Arrenurus conicus Piersig, 1894 has the cauda without distinct posterolateral extensions, the cauda is more tapering posteriorly and is without humps. The species most close in shape is A. spatiosus Viets, 1919. The latter species is larger (1330‒1350), the pair of small setae on the posterior part of the cauda are lying closer to each other and the posterior extensions of the cauda are less distinct (compare Fig. 3 of Smit (1996) with Fig. 1 of the new species)., Published as part of Smit, Harry, 2022, A new species of the genus Arrenurus Dugès, 1834 (Acari: Hydrachnidia: Arrenuridae) from Europe, pp. 148-150 in Zootaxa 5150 (1) on page 148, DOI: 10.11646/zootaxa.5150.1.9, http://zenodo.org/record/6610196, {"references":["Smit, H. (1996) A revision of enigmatic species within European members of the genus Arrenurus Duges (Acari, Hydrachnellae). Annales de Limnologie, 32, 137 - 146. https: // doi. org / 10.1051 / limn / 1996013"]}

Genus Teutonia Koenike, 1889 Diagnosis — Smit 2020: 269., Published as part of Pešić, Vladimir & Smit, Harry, 2022, A new water mite species of the genus Teutonia Koenike, 1889 from Corsica, France, based on morphological data and DNA barcodes (Acari, Hydrachnidia, Teutoniidae), pp. 465-473 in Acarologia 62 (2) on page 468, DOI: 10.24349/8n5y-mw7l, http://zenodo.org/record/7160470, {"references":["Smit H. 2020. Water mites of the world with keys to the families, subfamilies, genera and subgenera (Acari: Hydrachnidia). Monogr. Nederl. Entom. Veren., 12: 1 - 774."]}

Family Teutoniidae Koenike, 1910 Diagnosis — Smit 2020: 268., Published as part of Pešić, Vladimir & Smit, Harry, 2022, A new water mite species of the genus Teutonia Koenike, 1889 from Corsica, France, based on morphological data and DNA barcodes (Acari, Hydrachnidia, Teutoniidae), pp. 465-473 in Acarologia 62 (2) on page 468, DOI: 10.24349/8n5y-mw7l, http://zenodo.org/record/7160470, {"references":["Smit H. 2020. Water mites of the world with keys to the families, subfamilies, genera and subgenera (Acari: Hydrachnidia). Monogr. Nederl. Entom. Veren., 12: 1 - 774."]}

Gerecke, Reinhard, Smit, Harry (2022): Water mites of the genusLebertia Neuman, 1880 from the eastern Himalayas (Acari: Hydrachnidia: Lebertiidae). Acarologia 62 (2): 302-316, DOI: 10.24349/esot-nc22, URL: https://www1.montpellier.inrae.fr/CBGP/acarologia/article.php?id=4509

Tubophorella amoena K.O. Viets, 1978 New record — New South Wales. 1/0/0, Shoalhaven River at Berlang Camping Area, Deua NP, 35°43.487′ S 149°38.911′ E, 706 m a.s.l., 15 Dec. 2003. Distribution — Previously known from Victoria and New South Wales., Published as part of Smit, Harry, 2022, New records of water mites of the family Limnesiidae Thor from Australia (Acari: Hydrachnidia), with the description of seven new species, pp. 193-222 in Acarologia 62 (1) on page 218, DOI: 10.24349/yu9v-w0lf, http://zenodo.org/record/7160186, {"references":["Viets K. O. 1978. New water mites (Hydrachnellae: Acari) from Australia. Aust. J. Mar. Freshw. Res.,"]}

Tubophorella paluma sp. nov. Zoobank: 29EF3E83-6BF3-463F-A508-B50FC70727A4 (Figure 9 A-F) Material examined — Holotype male, Waterview Creek at entrance of Paluma Range National Park, Queensland, Australia, 18°51.128′ S 146°07.506′ E, 56 m a.s.l., 12 Nov. 2014 (QM). Paratype: One female, Big Crystal Creek at Paradise Pool, Paluma Range NP, Queensland, Australia, 18°58.754′ S 146°15.231′ E, 48 m a.s.l., 21 Oct. 2005 (QM). Diagnosis — Posterior dorsal plate with one pair of glandularia. Gonopore of male large, almost as long as genital field. Description — Male: Idiosoma dorsally 786 long and 437 wide, ventrally 786 long. Camerostome long and anterodorsally indented. Dorsum with two large plates. Anterior dorsal plate 251 long and 284 wide, with four pairs of glandularia. Posterior dorsal plate with one pair of glandularia and the postocularia (Figure 9A). Dorsal furrow with four pairs of glandularia. Cxgl-4 close to associated setae, located near suture line Cx-III/IV. Genital field 138 long and 118 wide, with three pairs of elongated acetabula. Genital field lying more or less posterior to Cx-IV (Figure 9B). Gonopore 130 long and 60 wide. Length of P1-5: -, 74, 30, 62, 27 (Figure 9C). Length of I-leg-4-6: 106, 118, 120. Length of IV-leg-4-6: 144, 154, 148 (till tip of segment). IV-leg-6 as described for female. Legs without swimming setae. Female: Idiosoma dorsally 761 long and 429 wide, ventrally 761 long. Camerostome long and anterodorsally indented. Anterior dorsal plate 267 long and 296 wide, posterior dorsal plate 316 long and 324 wide. Configuration of dorsal glandularia as in male. Cxgl-4 close to associated setae, located near suture line Cx-III/IV. Genital field lying more or less posterior to Cx-IV (Figure 9E), 144 long and 130 wide. Length of P1-5: 12, 70, 46, 62, 26. Length of I-leg-4-6: 94, 114, 140 (till tip of segment). Length of IV-leg-4-6: 112, 134, 140 (till tip of segment). IV-leg-6 with a small subterminal seta and six stout setae (Fig. 9F). Legs without swimming setae. Etymology — Named for its occurrence in the Paluma Range. The name is a noun in apposition. Remarks — The new species differs from all Australian Tubophorella species in the presence of only one pair of glandularia on the posterior dorsal plate. Australian Tubophorella species differs from those of the New World in the absence of a ventral seta of P2., Published as part of Smit, Harry, 2022, New records of water mites of the family Limnesiidae Thor from Australia (Acari: Hydrachnidia), with the description of seven new species, pp. 193-222 in Acarologia 62 (1) on page 218, DOI: 10.24349/yu9v-w0lf, http://zenodo.org/record/7160186

Limnesia (Limnesia) jolova Cook, 1986 New record — New South Wales. 2/0/0, Waterfall Creek at Gunulla Flat, Royal NP, 8 Nov. 2001. Distribution — Thus far known only from the holotype male collected in Queensland and reported here for the first time from New South Wales., Published as part of Smit, Harry, 2022, New records of water mites of the family Limnesiidae Thor from Australia (Acari: Hydrachnidia), with the description of seven new species, pp. 193-222 in Acarologia 62 (1) on page 201, DOI: 10.24349/yu9v-w0lf, http://zenodo.org/record/7160186, {"references":["Cook D. R. 1986. Water mites from Australia. Mem. Amer. Entom. Inst., 40: 1 - 568."]}

Limnesia (Limnesia) surroma Cook, 1986 New records — New South Wales. 0/1/0, Upper Minnamurra River, W of Robertson, 6 Nov. 2001; 1/3/0, Leather Barrel Creek at crossing with Alpine Way, Mt Kosciuszko NP, 36°31.559′ S 148°11.611′ E, 999 m a.s.l., 8 Dec. 2003 ; 1/0/0, Thredbo River at Thredbo Diggers Picnic Area, Mt Kosciuszko NP, 36°26.753′ S 148°25.487′ E, 1136 m a.s.l., 8 Dec. 2003; 6/9/1, Swampy Plains River at crossing with Alpine Way, Mt Kosciuszko NP, 36°23.121′ S 148°10.837′ E, 425 m a.s.l., 9 Dec. 2003 ; 1/1/0, Six Mile Creek, SE Forests NP, 10 Dec. 2003. Victoria. 0/1/0, Eurobin Creek downstream of Mt Buffalo NP entrance, 36°41.745′ S 146°51.453′ E, 293 m a.s.l., 10 Mar. 2008. Remarks — Cook (1986) stated that “it would not surprise me to have one or no pairs of glandularia incorporated into the anterior dorsal plate and either one, two or three on the posterior plate”. Indeed, the female from the Upper Minnamurra River has the posterior dorsal plate with one pair of glandularia incorporated. Distribution — Previously known from Victoria only and reported here for the first time for New South Wales., Published as part of Smit, Harry, 2022, New records of water mites of the family Limnesiidae Thor from Australia (Acari: Hydrachnidia), with the description of seven new species, pp. 193-222 in Acarologia 62 (1) on page 212, DOI: 10.24349/yu9v-w0lf, http://zenodo.org/record/7160186, {"references":["Cook D. R. 1986. Water mites from Australia. Mem. Amer. Entom. Inst., 40: 1 - 568."]}

Limnesia (Heterolimnesia) tasmanica (Lundblad, 1941) New records — Tasmania. 2/19/5, Reservoir of Darlington, Maria Island NP, 42°35′23.28” S 148°5′7.78” E, 18 Oct. 1997 ; 0/1/0, Apsley River at crossing with Tasman Highway, 19 Oct. 1997; 0/3/0, Swamp 12 km S of Gladstone, along road B82, 20 Oct. 1997 ; 0/1/0, Little Waterhouse Lake, Waterhouse Protected Area, 21 Oct. 1997 ; 0/1/0, Blackmans Lagoon, Waterhouse Protected Area, 21 Oct. 1997 ; 1/0/1, Nive River at crossing with A10, 42°09.456 S 146°28.130 E, 588 m a.s.l., 26 Mar. 2008 ; 1/1/0, Macquairy River at crossing with road C522, 41°54.472′ S 147°23.546′ E, 162 m a.s.l., 28 Mar. 2008. Victoria. 1/1/1, swamp at junction of Victoria Valley Road and Bundol Road, SW of Grampians NP, 37°35′14.50” S 142°18′58.36” E, 30 Sept. 1997 ; 7/21/1, pond along Buckland Valley Road, near crossing with Buckland River, W of Bright, 11 Oct. 1997. Distribution — Known from Tasmania, Victoria, South Australia and New South Wales., Published as part of Smit, Harry, 2022, New records of water mites of the family Limnesiidae Thor from Australia (Acari: Hydrachnidia), with the description of seven new species, pp. 193-222 in Acarologia 62 (1) on page 212, DOI: 10.24349/yu9v-w0lf, http://zenodo.org/record/7160186

Limnesia szalayi K. Viets, 1955 syn. nov. Material examined — Limnesia patens. Syntypes: Two males, three deutonymphs, Kratersee Telaga, Buitenzorg, Java, 21.11.1928, (Type, slide 45621, SMF); two males, one female, Sindanglaja Quelle, Buitenzorg, Java, 21.11.1928 (Types, slide 45622, SMF). Limnesia szalayi. Holotype female, Kuranda, N Queensland, Laird coll., 13.6.54 (slide 45696, SMF). New record — Queensland. 1/1/0, Spear Creek at crossing with Bypass Road, Cape York Peninsula, 12°03.206′ S 142°39.138′ E, 76 m a.s.l., 23 Oct. 2014. Remarks — The specimens from this study match the description of K. Viets (1935) well. K. Viets (1955) described a very similar species from northern Queensland, i.e. L. szalayi. The description of the latter species was based on one female only, and Viets didn′t compare it with other species. Moreover, the holotype of L. szalayi was fixed in ethanol, which makes it often difficult to see the morphological structures well. Cook (1986) noticed the similarity between the two species. When comparing the original descriptions, the only difference I find between the two species is that L. patens has no posteromedial platelet (K. Viets 1935), and in L. szalayi an indistinct platelet should be present (K. Viets 1955). I examined the holotype and only known specimen thus far of L. szalayi, but I do not see a posteromedial platelet. In the shape of palp and genital field the two species are identical. Therefore, I propose to synonymize L. szalayi with L patens. Distribution — Limnesia patens is widespread, and has been reported from Java, Indonesia (K. Viets 1935), India (Cook 1967) and Burma (Lundblad 1969). Within Australia known only from Queensland., Published as part of Smit, Harry, 2022, New records of water mites of the family Limnesiidae Thor from Australia (Acari: Hydrachnidia), with the description of seven new species, pp. 193-222 in Acarologia 62 (1) on page 205, DOI: 10.24349/yu9v-w0lf, http://zenodo.org/record/7160186, {"references":["Viets K. 1955. Kleine Sammlungen europaischer und aussereuropaischer Wassermilben (Hydrachnellae, Acari). Abh. naturw. Verein Bremen, 34: 1 - 26.","Viets K. 1935. Die Wassermilben von Sumatra, Java und Bali nach den Ergebnissen der Deutschen Limnologischen Sunda-Expedition. Arch. Hydrobiol., Suppl., 13: 484 - 594? 14: 1 - 113.","Cook D. R. 1986. Water mites from Australia. Mem. Amer. Entom. Inst., 40: 1 - 568.","Cook D. R. 1967. Water mites from India. Mem. Amer. Entom. Inst., 9: 1 - 411.","Lundblad O. 1969. Indische Wassermilben, hauptsachlich von Hinterindien. Ark. Zool., 22: 289 - 443."]}

Limnesia (Limnesia) ekama Cook, 1986 New records — Tasmania. 1/1/0, unnamed creek at crossing of Rosendale Road, 2.5 km off Tasman Highway, Bicheno, 19 Oct. 1997 ; 0/1/0, Betka River at crossing with Stony Creek Road, SW of Genoa, 24 Oct. 1997. Victoria. 2/3/2, Aire River at Aire Crossing, Great Otway Ranges NP, 38°42.190′ S 143°28.536′ E, 202 m a.s.l., 1 Apr. 2008. New South Wales. 0/1/0, tributary of Sawyers Creek, N of Kangaroo Valley, 6 Nov. 2001. Queensland. 0/1/0, Lacey Creek, Mission Beach, 17 Sept. 2000 ; 2/2/0, Babinda River, Wooroonooran NP, 17°20.484′ S 145°52.113′ E, 16 Oct. 2005 ; 1/0/0, Tully River at campground, Tully Gorge NP, 17°46.280′ S 145°39.073′ E, 86 m a.s.l., 4 Nov. 2014. Distribution — Previously known from Tasmania and New South Wales (Cook 1986) and reported here for the first time from Victoria and Queensland., Published as part of Smit, Harry, 2022, New records of water mites of the family Limnesiidae Thor from Australia (Acari: Hydrachnidia), with the description of seven new species, pp. 193-222 in Acarologia 62 (1) on page 196, DOI: 10.24349/yu9v-w0lf, http://zenodo.org/record/7160186, {"references":["Cook D. R. 1986. Water mites from Australia. Mem. Amer. Entom. Inst., 40: 1 - 568."]}

Limnesia (Limnesia) hopa Cook, 1986 (Figure 4) New records — Queensland. 0/1/0, Little Yabba Creek, hyporheic, at crossing with road Kenilworth-Maleny, 26°37.427′ S 152°41.334′ E, 98 m a.s.l., 19 Nov. 2014 ; 1/0/0, same location, 1 Dec. 2014 ; 0/1/0, Sandy Creek, W of Maleny, 26°42.241′ S 152°41.120′ E, 115 m a.s.l., 1 Dec. 2014. Description — Female: Idiosoma dorsally 494 long and 284 wide. Dorsum with two large plates, anterior plate with two pairs of glandularia and the postocularia, 184 long and 202 wide. Posterior dorsal plate with three pairs of glandularia, 292 long and 232 wide. Coxae in most aspects similar to male, except Cx-IV, these forming a genital bay (Figure 4). Genital field 136 long and 104 long, with three pairs of acetabula, the anterior pair distanced from the two posterior pairs. Length of P1-5: 28, 58, 44, 76, 30. Palp as in male. Length of I-leg-4-6: 82, 98, 82. Length of IV-leg-4-6: 92, 108, 103; subterminal seta of IV-leg-6 52 long. Legs without swimming setae. Remarks — Thus far, known from the holotype male only. Therefore, a description is given of the female. Distribution — Queensland., Published as part of Smit, Harry, 2022, New records of water mites of the family Limnesiidae Thor from Australia (Acari: Hydrachnidia), with the description of seven new species, pp. 193-222 in Acarologia 62 (1) on pages 200-201, DOI: 10.24349/yu9v-w0lf, http://zenodo.org/record/7160186, {"references":["Cook D. R. 1986. Water mites from Australia. Mem. Amer. Entom. Inst., 40: 1 - 568."]}

Limnesia (Limnesia) gledhilli sp. nov. Zoobank: 6B036679-A3D6-41B3-9406-413CE473335C (Figure 3 A-E) Material examined — Holotype male, Toolona Creek downstream of Toolona Falls, Lamington National Park, Queensland, Australia, 28°14′50.63” S 153°10′11.36” E, 16 Nov. 2003 (QM). Paratypes: one male, three females (QM), two males, three females (RMNH), same data as holotype ; 3 females, one deutonymph, Coomera River upstream of Coomera Falls, Lamington National Park, Queensland, Australia, 28°14′7.21” S 153°11′28.81” E, 14 Nov. 2003 (RMNH). Diagnosis — Idiosoma with extensive secondary sclerotization surrounding Cx-IV and genital field in male, posterior to Cx-IV in female; Cxgl-4 located on Cx-III close to associated seta. Male: Gonopore large, nearly as long as genital field; Cxgl-3 distanced from Vgl-1. Description — Male: Idiosoma dorsally 895 (919-936) long and 672 (689-725) wide, ventrally 842 (875-895) long. Integument coarsely lineated. Postocularia on small platelets. Dorsum with a relatively large posteromedial platelet (Figure 3A), 186 (194-198) long and 130 (120-134) wide. Gnathosomal bay shorter than fused portion of Cx-I. Cx-I fused medially. Cxgl-4 lying on Cx-III, close to associated seta (Figure 3B). Extensive secondary sclerotization surrounding Cx-IV, this sclerotization extending onto lateral margins of dorsum. Genital field 174 long and 184 wide, with three pairs of glandularia, surrounded by secondary sclerotization. Anterior acetabula elongated, posterior two pairs of acetabula more rounded. Gonopore large, nearly as long as genital field, 154 (154-164) long and 66 (64-76) wide. Cxgl-3 distanced from Vgl-1. Length of P1-5: 26, 110, 72, 154, 44. P2 ventrally with a relatively small peg-like setae (Figure 3C). Length of I-leg-4-6: 112, 132, 106. Length of IV-leg-4-6: 204, 202, 188. Terminal seta of IV-leg-6 102 long. IV-leg-5 with one long, stiff seta, and IV-leg-4 with two such setae (Figure 3D). III-leg-5 with 5-6 thin, relatively long setae along entire segment, these a little more than half the length of segment, which could act as swimming setae. Female: Idiosoma and integument as described for male, dorsally 883 (895-1000) long and 753 (721-778) wide, ventrally 867 (830-927) long. Dorsum with a posteromedial platelet, 190 (186-211) long and 130 (112-128) wide. Cx-I fused medially. Gnathosomal bay shorter than fused portion of Cx-I. Cxgl-4 lying on Cx-III, close to associated seta. Extensive secondary sclerotization surrounding Cx-IV, this sclerotization extending onto lateral margins of dorsum. Cxgl-3 incorporated in sclerotization, well distanced from Vgl-1 (Figure 3E). Genital field 178 long, pregenital sclerite 182 wide. Posterior to genital field a large platelet. Length of P1-5: 22, 134, 72, 155, 44. Palp as in male. Length of I-leg-4-6: 110, 130, 142 (till tip of segment). Length of IV-leg-4-6: 194, 194, 190; terminal seta of IV-leg-6 96 long. Legs as in male. Deutonymph. Idiosoma coarsely lineated, dorsally 551 long and 470 wide, ventrally 543 long. Along Cx-IV an indistinct small band of secondary sclerotization. Provisional genital field with two pairs of acetabula. P2 without peg-like setae. Etymology — Named after Terry Gledhill for working 60 years on water mites., Published as part of Smit, Harry, 2022, New records of water mites of the family Limnesiidae Thor from Australia (Acari: Hydrachnidia), with the description of seven new species, pp. 193-222 in Acarologia 62 (1) on page 198, DOI: 10.24349/yu9v-w0lf, http://zenodo.org/record/7160186

Tubophorella australis Imamura, 1984 New records — New South Wales. 0/1/0, School Creek, near Morton NP, 5 Nov. 2001 ; 0/1/0, Upper Kangaroo River, N of Kangaroo Valley, 7 Nov. 2001. Distribution — Previously, only known from the holotype female collected in New South Wales., Published as part of Smit, Harry, 2022, New records of water mites of the family Limnesiidae Thor from Australia (Acari: Hydrachnidia), with the description of seven new species, pp. 193-222 in Acarologia 62 (1) on page 218, DOI: 10.24349/yu9v-w0lf, http://zenodo.org/record/7160186, {"references":["Imamura T. 1984. Some rheophilic water mites (Acarina: Hydrachnellae) from southeast Australia. Human Science, 2: 59 - 74."]}

International audience; In the present study we used morphological data and DNA barcodes to describe a new species, Hydrodroma angelieri sp. nov. from Corsica, France. A high genetic distance of 17.3±0.017% K2P from its molecularly most closely related European congener, H. despiciens (Müller, 1776), supports H. angelieri sp. nov. as a distinct species. Morphologically the new species can be identified on the basis of relatively small leg claws, the presence of only one swimming seta on II-L-5 and 4-6 swimming setae on the anterior surface of IV-L-5. An updated key for the European species of Hydrodroma is provided.

Torrenticola meridionalis Di Sabatino & Cicolani, 1990 Torrenticola meridionalis is a rhitrobiontic species, originally described from Italy (Di Sabatino and Cicolani 1990) and subsequently reported from different parts of the Balkans (see Pešić et al. 2010, 2018). During our 2019 survey in the Ohrid Lake region in North Macedonia we collected and successfully barcoded two specimens from the ancient Prespa Lake that matches the description of T. meridionalis. The finding of this species in the littoral zone of Prespa Lake is very interesting because this habitat is unusual for torrenticolid mites. The analysis involved 17 nucleotide sequences and the final data set comprised 669 nucleotide positions for 15 specimens of T. meridionalis, one specimen of T. elliptica (as most closely related species) and T. laskai (as a distant outgroup). The neighbour-joining (NJ) tree is presented in Fig. 2. We delineated three T. meridionalis haplogroups. The sequences from Italy forms a well-supported haplogroup (TorrM-II) recovered in the COI tree as a sister clade of haplogrup (TorrM-III) which includes specimens from Montenegro. Both haplogroups possesses a low intraspecific distance (Table 4). The average K2P genetic distance between these two haplogrups was estimated to be 6.3±1.1% K 2P. Our sequences from Prespa Lake belong to a strongly-supported haplogroup (TorrM-III) which includes also sequences from Montenegro. In the COI tree, the later clade was recovered as a sister clade to other T. meridionalis haplogroups and a high interspecific distance which ranged from 6.7 to 7.2% K2P (Table 5). The taxonomic status of these lineages across the whole distribution of this probable species complex needs to be investigated by morphometric data and additional molecular markers., Published as part of Pešić, Vladimir, Jovanović, Milica, Manović, Ana, Karaouzas, Ioannis & Smit, Harry, 2021, New records of water mites from the Balkans revealed by DNA barcoding (Acari, Hydrachnidia), pp. 20-34 in Ecologica Montenegrina 49 on pages 26-28, DOI: 10.37828/em.2021.49.2, http://zenodo.org/record/8044105, {"references":["Di Sabatino, A. & Cicolani, B. (1990) Torrenticola meridionalis n. sp., a new species of water mites (Acari, Actinedida, Torrenticolidae) from the Calabrian Apennines (South Italy). Lauterbornia, 5, 43 - 48.","Pesic, V., Smit, H., Gerecke, R. & Di Sabatino, A. (2010) The water mites (Acari: Hydrachnidia) of the Balkan peninsula, a revised survey with new records and descriptions of five new taxa. Zootaxa, 2586, 1 - 100. https: // doi. org / 10.11646 / zootaxa. 2586.1.1","Pesic, V. & Smit, H. (2018) A second Palaearctic species of the genus Wettina Piersig, 1892 based on morphological and molecular data (Acari, Hydrachnidia: Wettinidae). Systematic & Applied Acarology, 23 (4), 724 - 732. https: // doi. org / 10.11158 / saa. 23.4.11"]}

Hygrobates calliger Piersig, 1896 Hygrobates calliger, a rhitrobiontic species, inhabiting lower, middle and high order streams, is widely distributed in the Palaearctic (Gerecke et al. 2016). A single specimen collected in the Mornos River in Greece and successfully barcoded in this study, matches the description of H. calliger. The final alignment for species delimitation using COI sequence data in this study comprised sequences of 12 specimens of Hygrobates calliger, and two species, H. foreli and H. fluviatilis were used as outgroups (Table 6). The final alignment consisted of 658 nucleotide positions. The neighbour-joining (NJ) tree is presented in Fig. 4. We delineated three H. calliger haplogroups. The sequences from Italy form a strongly supported clade (HygC-I) recovered as a sister clade of the haplogroup (HygC-II) which includes specimens from Montenegro, Greece and Norway. The presence of a high 19.6±2.2% K2P divergence between these two clades indicates that these represents separate species. The Italian populations should be probably assigned to Hygrobates italicus Thor, 1927, a member of calliger -species group. This species was originally described by Thor (1927) from Arno stream in Toscana (Italy) but was later on synonymized with H. calliger. Two specimens from Montenegro and Germany form a third cluster (HygC-III). In our COI tree, the latter haplogroup was recovered as a sister clade to the two other H. calliger clades with a high interspecific distance which ranged from 17.0±1.9 to 20.9±2.2% K2P (Table 7) indicating the species status of this clade. To clarify the taxonomic status of the above described H. calliger barcode lineages, more specimens from Europe should be barcoded including specimens from the type localities of H. calliger and H. italicus., Published as part of Pešić, Vladimir, Jovanović, Milica, Manović, Ana, Karaouzas, Ioannis & Smit, Harry, 2021, New records of water mites from the Balkans revealed by DNA barcoding (Acari, Hydrachnidia), pp. 20-34 in Ecologica Montenegrina 49 on pages 28-29, DOI: 10.37828/em.2021.49.2, http://zenodo.org/record/8044105, {"references":["Gerecke, R., Gledhill, T., Pesic, V. & Smit, H. (2016) Chelicerata: Acari III. In: Gerecke, R. (Ed.), Susswasserfauna von Mitteleuropa, 7 / 2 - 3, Springer-Verlag Berlin, Heidelberg, pp. 1 - 429. https: // doi. org / 10.1007 / 978 - 3 - 8274 - 2689 - 5","Thor, S. (1927) Vorlaufige Revision der Gattung Hygrobates C. L. Koch, 1837, mit phylogenetischen Bemerkungen. Norsk Entomologisk Tidskrift, 2, 118 - 148."]}

Hygrobates longiporus Thor, 1898 Hygrobates longiporus is a widely distributed species in the Palaearctic, inhabiting various types of standing waters and pools of streams (Gerecke et al. 2016). We successfully barcoded one specimen from Greece and Serbia, respectively, and two specimens from south-western Turkey, which match the description of H. longiporus. The final alignment for species delimitation using COI sequence data comprised sequences of 7 specimens morphologically assigned to H. longiporus and one specimen of H. meditterraneus (as outgroup). The final alignment consisted of 658 nucleotide positions. The neighbour-joining (NJ) tree is presented in Fig. 5. We obtained two haplogroups of H. longiporus (Fig. 5). The first highly supported clade (HygL-I) contains sequences from the Balkans (Serbia and Greece) and two sequences from Turkey. This clade is placed as the sister clade of specimens from Norway identified also as H. longiporus (HygL-2); the distance (24.3±2.2% K2P) between these clades is very high, suggesting long independent history of these two species. Hygrobates longiporus was originally described from Norway (Thor 1898) and can be assumed that this species corresponds to Clade I-type in our analysis. The second clade in our analysis appears to be widespread in the Mediterranean and there is a possibility that this species corresponds to H. falcilaminatus Walter, 1926. The latter species was originally described from Azrou, Morocco (Walter 1926), reported from Spain and France, and later on synonymized with H. longiporus by Lundblad (1956) (see also Gerecke 1991 for a discussion about this species). Unfortunately, no sequence is available for H. falcilaminatus. Over the last two years, we have tried in collaboration with Youness Mabrouki (Morocco) to collect specimens of H. falcilaminatus from its locus typicus, unfortunately without success. This clade should be left unnamed until the sequences of the latter species are available., Published as part of Pešić, Vladimir, Jovanović, Milica, Manović, Ana, Karaouzas, Ioannis & Smit, Harry, 2021, New records of water mites from the Balkans revealed by DNA barcoding (Acari, Hydrachnidia), pp. 20-34 in Ecologica Montenegrina 49 on page 30, DOI: 10.37828/em.2021.49.2, http://zenodo.org/record/8044105, {"references":["Thor, S. (1898) Nye hydrachnideformer, fundne i Norge sommeren 1898, Forelobig meddelelse. Archiv for Mathematik og Naturvidenskab, 20 (12), 1 - 12","Gerecke, R., Gledhill, T., Pesic, V. & Smit, H. (2016) Chelicerata: Acari III. In: Gerecke, R. (Ed.), Susswasserfauna von Mitteleuropa, 7 / 2 - 3, Springer-Verlag Berlin, Heidelberg, pp. 1 - 429. https: // doi. org / 10.1007 / 978 - 3 - 8274 - 2689 - 5","Walter, C. (1926) Hydracariens du Maroc. Bulletin de la Societe des Sciences Naturelles du Maroc, Rabat, Paris, Londres, 6 (7 - 8), 129 - 157."]}

Hygrobates trigonicus Koenike, 1895 Hygrobates trigonicus is a rhitrobiontic species, known from the Western Palaearctic (Gerecke et al. 2016). Three specimens from Greece, successfully barcoded in our study, match the description of H. trigonicus. The final alignment for species delimitation using COI sequence data comprised sequences of five specimens morphologically assigned of Hygrobates trigonicus and one outgroup, Hygrobates longipapis to root the tree. The final alignment consisted of 664 nucleotide positions. The neighbour-joining (NJ) tree is presented in Fig. 6. We obtained two haplogroups of H. trigonicus: a highly supported clade (HygT-I) containing three sequences from Greece, is placed as the sister clade of two specimens from North Germany (HygT-2); the distance (13.4±1.5% K2P) between these clades are of interspecific level. Hygrobates trigonicus was originally described by Koenike (1895) from the ditch “Schwarze Teich” (Engl. Black ditch) in Saxony. The sequences from Germany that form the HygT-II clade come from two lakes in North Germany (Martin et al. 2010). As for the trigonicus population from running waters, one junior synonym, H. properus Láska, 1954 exists for this species. Hygrobates properus was described by Láska (1954) on the basis of a female from the Orava River and its tributaries in Slovakia, but it was later synonymized by Smit et al. (2015). To clarify the taxonomic status of the barcode lineages further specimens from Europe should be barcoded including specimens of the type locality of both taxa., Published as part of Pešić, Vladimir, Jovanović, Milica, Manović, Ana, Karaouzas, Ioannis & Smit, Harry, 2021, New records of water mites from the Balkans revealed by DNA barcoding (Acari, Hydrachnidia), pp. 20-34 in Ecologica Montenegrina 49 on page 31, DOI: 10.37828/em.2021.49.2, http://zenodo.org/record/8044105, {"references":["Koenike, F. (1895) Uber bekannte und neue Wassermilben. Zoologischer Anzeiger, 18 (485), 373 - 386.","Gerecke, R., Gledhill, T., Pesic, V. & Smit, H. (2016) Chelicerata: Acari III. In: Gerecke, R. (Ed.), Susswasserfauna von Mitteleuropa, 7 / 2 - 3, Springer-Verlag Berlin, Heidelberg, pp. 1 - 429. https: // doi. org / 10.1007 / 978 - 3 - 8274 - 2689 - 5","Martin, P., Dabert, M. & Dabert, J. (2010) Molecular evidence for species separation in the water mite Hygrobates nigromaculatus Lebert, 1879 (Acari, Hydrachnidia): evolutionary consequences of the loss of larval parasitism. Aquatic Science, 72, 347 - 360. https: // doi. org / 0.1007 / s 00027 - 010 - 0135 - x","Pesic, V., Broda, L., Dabert, M., Gerecke, R., Martin, P. & Smit, H. (2019 a) Re- established after hundred years: Definition of Hygrobates prosiliens Koenike, 1915, based on molecular and morphological evidence, and redescription of H. longipalpis (Hermann, 1804) (Acariformes, Hydrachnidia, Hygrobatidae). Systematic and Applied Acarology, 24 (8), 1490 - 1511. https: // dx. doi. org / 10.11158 / saa. 24.8.10","Laska, F. (1954) Zwei neue Hygrobates - Arten (Hydrachnellae, Acari) aus der Slowakei. Zoologischer Anzeiger, 152 (1 - 2), 36 - 38.","Smit, H., Gerecke, R., Pesic, V. & Gledhill, T. (2015) On the taxonomic state of water mite taxa (Acari: Hydrachnidia) described from the Palaearctic, part 3. Hygrobatoidea and Arrenuroidea with new faunistic data. Zootaxa, 3981 (4), 542 - 552."]}

Monatractides persicus Pe��ić, 2004 Monatractides stadleri ��� Asadi et al. 2010: 46 Material examined ��� Iran, Mazandaran Province, IR13 area of Ramsar city, Elburs Mountain, small waterfall, 36.8897 N, 50.5681 E, 29.viii.2017 leg. Pe��ić, Zawal & Saboori, 2♀ (sequenced [CCDB38233 F07, -F08]). Remarks��� Monatractides persicus Pe��ić, 2004 was described from a stream in Elburs mountain of North Iran (Pe��ić & Saboori 2004). Later on, this species was placed in synonymy with M. stadleri (Walter, 1924) by Asadi et al. (2010). The latter authors felt that some differences such as the presence of knob-shaped protrusions at the margin of the gnathosomal bay are not suitable for separating the two species. The specimen from Northern Iran used in this study for molecular analysis perfectly matches the description of M. persicus. The latter species can be distinguished from M. stadleri on the basis of a relatively thicker chelicera (ratio L/H 5.6���5.9 vs. 6.2���6.4, data taken from Pe��ić & Saboori 2004). Based on our COI tree, Monatractides persicus is a sister taxon of M. stadleri (see Fig. 6). The average K2P genetic distance between M. persicus and M. stadleri was estimated to 9.35%. Thus, the morphological and molecular data suggest that M. persicus is a valid species distinct from M. stadleri. Distribution��� Iran., Published as part of Pe��i��, Vladimir, Zawal, Andrzej, Saboori, Alireza & Smit, Harry, 2021, New records of water mites (Acari, Hydrachnidia) from Iran with the description of one new species based on morphology and DNA barcodes, pp. 425-440 in Zootaxa 5082 (5) on pages 434-435, DOI: 10.11646/zootaxa.5082.5.2, http://zenodo.org/record/5794932, {"references":["Pesic, V. & Saboori, A. (2004) Water mite species of the genus Monatractides K. Viets (Acari, Hydrachnidia, Torrenticolidae) from Iran, with the description of two new species. Zootaxa, 673, 1 - 10.","Asadi, M., Pesic, V. & Etemadi, I. (2010) A revised survey of water mites (Acari: Hydrachnidia) from Iran: new synonyms and descriptions of three new species. Zootaxa, 2628, 43 - 55."]}

Hydrodroma golestanica sp. nov. Figs. 1-2 Material examined— Holotype ♂ (RMNH), Iran, Golestan Province, IR3 Shirabad near Khanbebin, stream, downstream near bridge, 36.967499 N, 55.027779 E, 27.viii.2017 leg. Pešić, Zawal & Saboori, dissected and slidemounted. Paratypes: 2♂, 1♀, same place and data as holotype (RMNH); 1♂ sequenced [CCDB38361 F03]; 1♀ dissected and slide-mounted (RMNH). Diagnosis— Integument papillae rounded. Genital plates with 40–51 pairs of Ac in at most four longitudinal rows. Numbers of leg swimming setae: II-L-posterior 1; III-L-4 posterior 6-7; III-L-5 posterior 5; IV-L-4 anterior 6-8, posterior 6-7; IV-L-5 anterior 2-3, posterior 4-5. Description. Both sexes: Integument papillae rounded (Fig. 1C). Cx-I+II medially separated by a fine membranous line, with a row of long fine setae at medial margins of Cx-I, and posterior margins of Cx-I, Cx-II, -III, and –IV. Genital flaps with rounded lateral and concave medial margins (Figs. 1 A-B). Excretory pore sclerotized. Leg claws with a dorsal clawlet. Male (holotype; in parentheses some measurements of the paratype specimen [CCDB 38361 F03]): Idiosoma L 1130, W 1090. Coxal field L 527; Cx-III W 559, L Cx-I+II 266, Cx-III+IV 278; coxal setae numbers: Cx-I, 24 (23); Cx-II, 23 (22); Cx-III, 14 (18); Cx-IV 11 (19). Genital plate (Fig. 1A) L 259 (238), on each plate Ac number 49-51 (49), with 36-40 setae, all hollow. Ejaculatory complex L 198. Gnathosoma vL 228; chelicera (Fig. 2D) total L 297, L basal segment 238, claw 63, L ratio basal segment/claw 3.8. Palp (Figs. 2 A-B) total L 444, dL/H, dL/H ratio: P-1, 55/45, 1.23; P-2, 73/56, 1.3; P-3, 50/53, 0.94; P-4, 186/47, 4.0; P-5, 80/22, 3.6; L ratio P-2/P-4, 0.4. dL IV-L: 128, 150, 200, 309, 313, 291. Female (paratype, n = 1; juvenile specimen ([CCDB 38361 F05]): Idiosoma L 790. Coxal field L 486; Cx-III W 494, L Cx-I+II 256, Cx-III+IV 281; coxal setae numbers: Cx-I, 18; Cx-II, 18; Cx-III, 13; Cx-IV 12. Genital plate large, L 210-217, on each plate Ac number 40-42, with 30 setae. Gnathosoma vL 228; chelicera total L 297, L basal segment 233, claw 63, L ratio basal segment/claw 3.7. Palp total L 446, dL/H, dL/H ratio: P-1, 53/45, 1.19; P-2, 77/57, 1.34; P-3, 52/55, 0.94; P-4, 189/42, 4.5; P-5, 75/22, 3.4; L ratio P-2/P-4, 0.41. dL IV-L: 125, 150, 205, 309, 328, 272. Species delimitation using DNA-barcodes — The final alignment for species delimitation using COI sequence data of ten Hydrodroma specimens listed in Table 2 and one outgroup, Protzia cabardinica (BOLD: 8. IR8 2017 H2) from Iran to root the tree. The NJ tree is presented in Fig. 3. The COI tree sequence retrieved from a specimen of H. golestanica sp. nov. from Iran appeared as a sister taxa of H. torrenticola (Fig. 3). The average K2P genetic distance between the COI sequence of one specimen of H. golestanica sp. nov. from Iran and a specimen of H. torrenticola of from Montenegro was estimated to 10.1% (Table 3). Etymology— Named after the province where the new species was collected. Discussion —The new species from Golestan Province closely resembles Hydrodroma torrenticola, a species widely distributed in the Palaearctic (Di Sabatino et al. 2010). It shares the presence of only one short swimming seta on II-L-5 and 2-3 swimming setae on anterior IV-L-5. Only one specimen of the new species could be acquired for use in molecular analyses, so intraspecific differences in COI sequence could not be examined. The phylogenetic analysis based on COI data reveals that the new species is most similar to H. torrenticola. Level of COI differentiation between the new species from Iran and H. torrenticola from Montenegro was 10.1% K2P divergence. From a morphological point of view, H. torrenticola can be separated from the new species by the shape of the integument papillae (pointed vs. distally rounded in H. golestanica sp. nov.). Distribution— Iran.

Hydrodroma golestanica sp. nov. Figs. 1-2 Material examined��� Holotype ♂ (RMNH), Iran, Golestan Province, IR3 Shirabad near Khanbebin, stream, downstream near bridge, 36.967499 N, 55.027779 E, 27.viii.2017 leg. Pe��ić, Zawal & Saboori, dissected and slidemounted. Paratypes: 2♂, 1♀, same place and data as holotype (RMNH); 1♂ sequenced [CCDB38361 F03]; 1♀ dissected and slide-mounted (RMNH). Diagnosis��� Integument papillae rounded. Genital plates with 40���51 pairs of Ac in at most four longitudinal rows. Numbers of leg swimming setae: II-L-posterior 1; III-L-4 posterior 6-7; III-L-5 posterior 5; IV-L-4 anterior 6-8, posterior 6-7; IV-L-5 anterior 2-3, posterior 4-5. Description. Both sexes: Integument papillae rounded (Fig. 1C). Cx-I+II medially separated by a fine membranous line, with a row of long fine setae at medial margins of Cx-I, and posterior margins of Cx-I, Cx-II, -III, and ���IV. Genital flaps with rounded lateral and concave medial margins (Figs. 1 A-B). Excretory pore sclerotized. Leg claws with a dorsal clawlet. Male (holotype; in parentheses some measurements of the paratype specimen [CCDB 38361 F03]): Idiosoma L 1130, W 1090. Coxal field L 527; Cx-III W 559, L Cx-I+II 266, Cx-III+IV 278; coxal setae numbers: Cx-I, 24 (23); Cx-II, 23 (22); Cx-III, 14 (18); Cx-IV 11 (19). Genital plate (Fig. 1A) L 259 (238), on each plate Ac number 49-51 (49), with 36-40 setae, all hollow. Ejaculatory complex L 198. Gnathosoma vL 228; chelicera (Fig. 2D) total L 297, L basal segment 238, claw 63, L ratio basal segment/claw 3.8. Palp (Figs. 2 A-B) total L 444, dL/H, dL/H ratio: P-1, 55/45, 1.23; P-2, 73/56, 1.3; P-3, 50/53, 0.94; P-4, 186/47, 4.0; P-5, 80/22, 3.6; L ratio P-2/P-4, 0.4. dL IV-L: 128, 150, 200, 309, 313, 291. Female (paratype, n = 1; juvenile specimen ([CCDB 38361 F05]): Idiosoma L 790. Coxal field L 486; Cx-III W 494, L Cx-I+II 256, Cx-III+IV 281; coxal setae numbers: Cx-I, 18; Cx-II, 18; Cx-III, 13; Cx-IV 12. Genital plate large, L 210-217, on each plate Ac number 40-42, with 30 setae. Gnathosoma vL 228; chelicera total L 297, L basal segment 233, claw 63, L ratio basal segment/claw 3.7. Palp total L 446, dL/H, dL/H ratio: P-1, 53/45, 1.19; P-2, 77/57, 1.34; P-3, 52/55, 0.94; P-4, 189/42, 4.5; P-5, 75/22, 3.4; L ratio P-2/P-4, 0.41. dL IV-L: 125, 150, 205, 309, 328, 272. Species delimitation using DNA-barcodes ��� The final alignment for species delimitation using COI sequence data of ten Hydrodroma specimens listed in Table 2 and one outgroup, Protzia cabardinica (BOLD: 8. IR8 2017 H2) from Iran to root the tree. The NJ tree is presented in Fig. 3. The COI tree sequence retrieved from a specimen of H. golestanica sp. nov. from Iran appeared as a sister taxa of H. torrenticola (Fig. 3). The average K2P genetic distance between the COI sequence of one specimen of H. golestanica sp. nov. from Iran and a specimen of H. torrenticola of from Montenegro was estimated to 10.1% (Table 3). Etymology��� Named after the province where the new species was collected. Discussion ���The new species from Golestan Province closely resembles Hydrodroma torrenticola, a species widely distributed in the Palaearctic (Di Sabatino et al. 2010). It shares the presence of only one short swimming seta on II-L-5 and 2-3 swimming setae on anterior IV-L-5. Only one specimen of the new species could be acquired for use in molecular analyses, so intraspecific differences in COI sequence could not be examined. The phylogenetic analysis based on COI data reveals that the new species is most similar to H. torrenticola. Level of COI differentiation between the new species from Iran and H. torrenticola from Montenegro was 10.1% K2P divergence. From a morphological point of view, H. torrenticola can be separated from the new species by the shape of the integument papillae (pointed vs. distally rounded in H. golestanica sp. nov.). Distribution��� Iran., Published as part of Pe��i��, Vladimir, Zawal, Andrzej, Saboori, Alireza & Smit, Harry, 2021, New records of water mites (Acari, Hydrachnidia) from Iran with the description of one new species based on morphology and DNA barcodes, pp. 425-440 in Zootaxa 5082 (5) on pages 427-430, DOI: 10.11646/zootaxa.5082.5.2, http://zenodo.org/record/5794932, {"references":["Di Sabatino, A., Gerecke, R., Gledhill, T. & Smit, H. (2010) Acari: Hydrachnidia II. In: Gerecke, R. (Ed.), Chelicerata: Acari II. Susswasserfauna von Mitteleuropa, Vol. 7, 2 - 2, Elsevier Spektrum Akademischer Verlag, Heidelberg, pp. 1 - 234."]}

Torrenticola baueri Bader & Sepasgozarian, 1987 Torrenticola barsica — Asadi et al. 2010: 45 Material examined — Iran, Golestan Province, Shirabad near Khanbebin, stream, downstream near bridge, gravel, 36.967499 N, 55.027779 E, 27.viii.2017 leg. Pešić, Zawal & Saboori, 3♂ (1♂ sequenced [DCDDJ067-21], dissected and slide mounted [CCDB 38361 F07]). Remarks— Torrenticola baueri was described by Bader & Sepasgozarian (1987) from a stream in Elburs mountain of North Iran. The authors compared T. baueri with the morphologically distant T. anomala, but were not aware of the close similarity to T. barsica. Laster on, Asadi et al. (2010) re-examined the holotype of T. baueri and found that this species matches the morphology and measurement ranges of Torrenticola barsica (Szalay, 1933), a species widely distributed in the Western Palaearctic. The only difference was found in a slightly shorter medial suture Cx-II+III in male (97 µm in T. baueri vs. 105-110 µm in T. barsica). As a result the latter authors synonymized T. baueri with T. barsica. During our 2017 survey in Northern Iran we collected several specimens of barsica -like mites which morphologically match the original description of T. baueri and measurements given by Asadi et al. (2010). One specimen [CCDB 38361 F07] was successfully barcoded and used for species delimitation. For the final alignment of species delimitation using COI sequence data we used the 34 Torrenticola specimens listed in Table 7 and one outgroup, Monatractides persicus Pešić, 2004 to root the tree. The neighbor-joining (NJ) tree is presented in Fig. 7. The COI sequence retrieved from the Torrenticola baueri specimen collected in Iran was recovered as sister to T. barsica (Fig. 7). The average K2P genetic distance between the COI sequence of the specimen of T. baueri from Iran and two specimens of T. barsica from Montenegro was 17.4% suggesting a long independent history of these two species. Therefore, we resurrected T. baueri as a valid species distinct from T. barsica. Distribution— Iran.

Monatractides persicus Pešić, 2004 Monatractides stadleri — Asadi et al. 2010: 46 Material examined — Iran, Mazandaran Province, IR13 area of Ramsar city, Elburs Mountain, small waterfall, 36.8897 N, 50.5681 E, 29.viii.2017 leg. Pešić, Zawal & Saboori, 2♀ (sequenced [CCDB38233 F07, -F08]). Remarks— Monatractides persicus Pešić, 2004 was described from a stream in Elburs mountain of North Iran (Pešić & Saboori 2004). Later on, this species was placed in synonymy with M. stadleri (Walter, 1924) by Asadi et al. (2010). The latter authors felt that some differences such as the presence of knob-shaped protrusions at the margin of the gnathosomal bay are not suitable for separating the two species. The specimen from Northern Iran used in this study for molecular analysis perfectly matches the description of M. persicus. The latter species can be distinguished from M. stadleri on the basis of a relatively thicker chelicera (ratio L/H 5.6–5.9 vs. 6.2–6.4, data taken from Pešić & Saboori 2004). Based on our COI tree, Monatractides persicus is a sister taxon of M. stadleri (see Fig. 6). The average K2P genetic distance between M. persicus and M. stadleri was estimated to 9.35%. Thus, the morphological and molecular data suggest that M. persicus is a valid species distinct from M. stadleri. Distribution— Iran.

Sperchon amuzgari Bader & Sepasgosarian, 1979 Material examined ��� Iran, Mazandaran Province, IR7 small stream along road to Kandelous village, 36.426388 N, 51.470001 E, 28.viii.2017 leg. Pe��ić, Zawal & Saboori, 3♀ (sequenced [CCDB38233 F09, -F11, -G01]). Remarks ��� Sperchon amuzgari was described by Bader & Sepasgosarian (1979) from a karstic spring in Lorestan Province, Iran. Later on, Asadi et al. (2010) re-examined the holotype of S. amuzgari and found that in view of the similar shape of the palp and dorsum, III/IV-L-3���5 with numerous pinnate dorsal setae and sclerotized excretory pore the later species matches the morphology of S. hispidus Koenike, 1895, a species widely distributed in the Western Palaearctic (Di Sabatino et al. 2010). As a result, Asadi et al. (2010) proposed to place S. amuzgari in synonymy with S. hispidus. During our 2017 survey in Northern Iran we collected and successfully barcoded three specimens of hispidus -like mites that match the original description of S. amuzgari. According to the original description, S. amuzgari can be separate from S. hispidus by having a parallelogram-shaped Cx-IV (Bader & Sepasgosarian 1979). The final alignment for species delimitation using COI sequence data comprised sequences of 34 Sperchon specimens listed in Table 4 and one outgroup, Sperchonopsis verrucosa (Protz, 1896) [BOLD 46. M19_16B_1_ G10] from Montenegro to root the tree. The neighbor-joining (NJ) tree is presented in Fig. 4. The COI tree sequence recovered S. amuzgari as a sister branch to the clade grouping COI sequences found in S. hispidus (Fig. 4). The average genetic distance between the COI sequence of the three specimens of S. amuzgari from Iran and two specimens of S. hispidus from Montenegro was estimated to 16.5% K2P indicating a long independent history of these two species. Therefore, we propose to resurrect Sperchon amuzgari Bader & Sepasgosarian, 1979 as a valid species distinct from S. hispidus. Distribution��� Iran., Published as part of Pe��i��, Vladimir, Zawal, Andrzej, Saboori, Alireza & Smit, Harry, 2021, New records of water mites (Acari, Hydrachnidia) from Iran with the description of one new species based on morphology and DNA barcodes, pp. 425-440 in Zootaxa 5082 (5) on page 431, DOI: 10.11646/zootaxa.5082.5.2, http://zenodo.org/record/5794932, {"references":["Bader, C. & Sepasgosarian, H. (1979) Wassermilben (Acari, Prostigmata, Hydrachnellae) aus dem Iran. 10. Mitteilung. Entomologische Mitteilungen aus dem Zoologischen Museum Hamburg, 6 (105), 243 - 252.","Asadi, M., Pesic, V. & Etemadi, I. (2010) A revised survey of water mites (Acari: Hydrachnidia) from Iran: new synonyms and descriptions of three new species. Zootaxa, 2628, 43 - 55.","Di Sabatino, A., Gerecke, R., Gledhill, T. & Smit, H. (2010) Acari: Hydrachnidia II. In: Gerecke, R. (Ed.), Chelicerata: Acari II. Susswasserfauna von Mitteleuropa, Vol. 7, 2 - 2, Elsevier Spektrum Akademischer Verlag, Heidelberg, pp. 1 - 234."]}

Sperchon amuzgari Bader & Sepasgosarian, 1979 Material examined — Iran, Mazandaran Province, IR7 small stream along road to Kandelous village, 36.426388 N, 51.470001 E, 28.viii.2017 leg. Pešić, Zawal & Saboori, 3♀ (sequenced [CCDB38233 F09, -F11, -G01]). Remarks — Sperchon amuzgari was described by Bader & Sepasgosarian (1979) from a karstic spring in Lorestan Province, Iran. Later on, Asadi et al. (2010) re-examined the holotype of S. amuzgari and found that in view of the similar shape of the palp and dorsum, III/IV-L-3–5 with numerous pinnate dorsal setae and sclerotized excretory pore the later species matches the morphology of S. hispidus Koenike, 1895, a species widely distributed in the Western Palaearctic (Di Sabatino et al. 2010). As a result, Asadi et al. (2010) proposed to place S. amuzgari in synonymy with S. hispidus. During our 2017 survey in Northern Iran we collected and successfully barcoded three specimens of hispidus -like mites that match the original description of S. amuzgari. According to the original description, S. amuzgari can be separate from S. hispidus by having a parallelogram-shaped Cx-IV (Bader & Sepasgosarian 1979). The final alignment for species delimitation using COI sequence data comprised sequences of 34 Sperchon specimens listed in Table 4 and one outgroup, Sperchonopsis verrucosa (Protz, 1896) [BOLD 46. M19_16B_1_ G10] from Montenegro to root the tree. The neighbor-joining (NJ) tree is presented in Fig. 4. The COI tree sequence recovered S. amuzgari as a sister branch to the clade grouping COI sequences found in S. hispidus (Fig. 4). The average genetic distance between the COI sequence of the three specimens of S. amuzgari from Iran and two specimens of S. hispidus from Montenegro was estimated to 16.5% K2P indicating a long independent history of these two species. Therefore, we propose to resurrect Sperchon amuzgari Bader & Sepasgosarian, 1979 as a valid species distinct from S. hispidus. Distribution— Iran.

Sperchon papillosus / S. compactilis ���complex Material examined��� Sperchon papillosus Thor, 1901. Iran, Mazandaran Province, IR7 small stream along road to Kandelous village, 36.426388 N, 51.470001 E, 28.viii.2017 leg. Pe��ić, Zawal & Saboori, 2♂, 1♀ (2♂ sequenced [DCCDB072-21, IRANM001-20]). Sperchon compactilis Koenike, 1911 . Golestan Province, IR2 Kaboud-val waterfall, 36.869720 N, 54.889168 E, 26.viii.2017 leg. Pe��ić, Zawal & Saboori, 1♂ (sequenced [IRANM002-20], dissected and slide mounted [5. IR2 2017 G12]). Remarks��� Asadi et al. (2010) re-examined the holotype of Sperchon bispinosus Bader & Sepasgosarian, 1982 a species described by Bader & Sepasgosarian (1982) from Elburs Mountain, North Iran and placed this species into synonymy of S. papillosus Thor, 1901. Sperchon papillosus matches the original description of S. bispinosus in having integument sculpture made up of a network of fine denticles combined with additional larger papillae and the similar shape of dorsum and palp (Asadi et al. 2010). During our 2017 survey we collected and successfully barcoded three specimens from the S. papillosus / S. compactilis -complex from North Iran. Two specimens from a small stream along the road to Kandelous village match the description of S. bispinosus / S. papillosus: integument sculpture made up of a network of fine denticles combined with additional larger papillae and P-3 with two ventral setae. One specimen from Kaboud-val waterfall lacks the ventral setae on P-3 and we assigned it to S. compactilis. In our COI tree (Fig. 4) the sequence of the S. compactilis specimen from Iran represents a unique BIN (BOLD: AEI4363) and falls within a clade alongside the sequences from S. bispinosus specimens from Iran, which were grouped in a separate BIN (BOLD:AED2135). The examined specimens from Iran form a clade that is sister to the clade containing S. compactilis specimens (BIN BOLD:AEI4363) from the Netherlands, all nested within a clade that also includes a specimen of Sperchon papillosus from Montenegro that represent a unique BIN (BOLD: AED2134). The genetic distance between COI sequence groups (BINs) of examined specimens of S. papillosus / S. compactilis complex ranged from 1.79% K2P between Iranian specimens of S. papillosus and S. compactilis, to 5.11% K2P between S. papillosus specimen from Montenegro and specimens of S. compactilis from the Netherlands (see Table 5). Further studies integrating more markers and additional sampling is necessary to clarify the taxonomy of species of the S. papillosus / S. compactilis complex., Published as part of Pe��i��, Vladimir, Zawal, Andrzej, Saboori, Alireza & Smit, Harry, 2021, New records of water mites (Acari, Hydrachnidia) from Iran with the description of one new species based on morphology and DNA barcodes, pp. 425-440 in Zootaxa 5082 (5) on pages 432-433, DOI: 10.11646/zootaxa.5082.5.2, http://zenodo.org/record/5794932, {"references":["Asadi, M., Pesic, V. & Etemadi, I. (2010) A revised survey of water mites (Acari: Hydrachnidia) from Iran: new synonyms and descriptions of three new species. Zootaxa, 2628, 43 - 55.","Bader, C. & Sepasgosarian, H. (1982) Wassermilben (Acari, Prostigmata, Hydrachnellae) aus dem Iran. 14. Mitteilung: Zwei weitere Arten aus der Untergattung Mixosperchon (Sperchonidae). Entomologische Mitteilungen aus dem Zoologischen Museum Hamburg, 7 (116), 219 - 232."]}

Neumania (Leptopterotrichophorus) manokensis K. Viets, 1942 New records. Ghana. 1/0/0, Ankasa River, Ankasa NP, 5°13.011′ N 2°39.126′ W, 60 m a.s.l., 13 Feb. 2013. Distribution. Cameroon (K. Viets 1914), Liberia (Cook 1966), Ghana (this study)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 730, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Viets K. 1914. Diagnosen neuere Hydracarinen. Abh. naturw. Ver. Bremen, 22: 221 - 240."]}

Tetrabates (Tetrabates) szalayi (Lundblad, 1949) New records. Ghana. 0/2/0, Ankasa Exploration Base stream, Ankasa NP, 5°16.413′ N 2°38.810′ W, 81 m a.s.l, 14 Feb. 2103. Distribution. Congo (Lundblad 1949), Liberia (Cook 1966), Ghana (this study)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 723, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Lundblad O. 1949. Hydrachnellae. In: Explor. Park National Albert. 2. Miss. H. Damas (1935 - 1936),"]}

Djeboa unimaculata (Cook, 1966) New records. Ghana. 1/0/0, stream Asikuma, Kakum NP, 5°26.995′ N, 1°25.071′ W, 12 Feb. 2013. Distribution. Liberia (Cook 1966), Ivory Coast, Ghana (Pešić et al. 2013)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 743, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Pesic V., Cook D., Gerecke R., Smit H. 2013. The water mite family Mideopsidae (Acari: Hydrachnidia):"]}

Encentridophorus (Encentridophorus) tumidus Walter, 1937 New records. Ghana. 2/14/0, Amansuri Wetland, 5°00.398′ N 2°35.162′ W, 12 m a.s.l., 26 Feb. 2013; 0/6/0, shallow part Amansuri Wetland, 4°59.635′ N 2°35.417′ W, 26 Feb. 2011 ; 0/1/0, Inlet Volta River at Kpong, 6°09.183′ N 0°03.709′ E, 25 m a.s.l., 27 Feb. 2013. Remarks. The assignment of this species is uncertain. Cook (1966) tentatively assigned specimens from Liberia to this species, which was described by Walter (1937) based on the female only. The specimens from Ghana match the description of Cook (1966) well. Distribution. Angola (Walter 1937), Liberia (Cook 1966), Ghana (this study)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 725, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Walter C., 1937. Contribution a l'etude du Plancton d'eau douce d'Angola. Arch. Hydrobiol., 32: 503 - 509."]}

Diplodontus schaubi (Koenike, 1893) New records. Ghana. 0/2/2/, pool Damango, 9°03.983′ N 1°48.419′ W, 185 m a.s.l., 4 Mar. 2011; 1/0/0, pool Nsu Appiah, near Kakum NP, 5°22.895′ N 1°25.012′ W, 159 m a.s.l., 12 Feb. 2013. Distribution. Widespread in Africa south of the Sahara., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 703, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546

Unionicola heversi n. sp. Zoobank: AA0F66D6-6FE2-48D7-8447-A149 AD 276899 (Figure 22 A-D) Material examined. Holotype female, pool 1 Ankasa NP, Ghana, 5°17.407′ N 2°38.378′ W, 59 m a.s.l., 26 Feb. 2011 (RMNH). Diagnosis. Cx-II and Cx-III with anterolaterally with a pointed extension; palp stocky, especially P4, this segment with two setal tubercles and anteromedially a stout pointed seta, P5 with large claws, ventrally with two claws but only visible in a skew position. Description. Female: Idiosoma dorsally 745 long and 656 wide, ventrally 689 long. Anterior coxae with short apodemes, extending to Cx-III. Cx-II anterolaterally with a pointed triangular extension, Cx-III anterolaterally with a broader, pointed extension (Figure 22A). Posterior margin of Cx-IV with a short projection. Genital field with five pairs of acetabula on two pairs of platelets, all platelets with long posterior setae. Anterior platelets with two acetabula each, posterior pair with three acetabula each. Unfortunately, the genital field is distorted in the slide. Palp stocky, especially P4, the latter segment with two setal tubercles and a short, stout pointed seta anteromedially. P5 with large claws, ventrally with two claws but only visible in a skew position as these are lying behind each other (Figure 22 B-C). Length of I-leg-4–6: 203, 227, 158. Long setae of first leg not fluted or grooved (Figure 22D). Length of IV-leg-4–6: 251, 316, 284. IV-leg-5 with three, IV-leg-4 with two swimming setae. Male: Unknown. Etymology. Named after Jürgen Hevers for his excellent work on the genus Unionicola. Remarks. The palp with its large claws is somewhat similar to palps of U. dentifera Cook, 1966 and U. cooki Bader, 1981, but these species have the coxae with very large anterolateral extensions., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 734, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Bader C. 1981. Wassermilben aus Westafrika (Acari, Prostigmata, Hydrachnellae). Rev. zool. Afric., 95: 927 - 953."]}

Hygrobates (Hygrobates) liberiensis Cook, 1966 New records. Ghana. 0/1/0, Ankasa Exploration Base trail stream, upstream, Ankasa NP, 5°16.376′ N 2°38.655′ W, 94 m a.s.l., 14 Feb. 2013. Distribution. Liberia (Cook 1966), Ghana (this study)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 713, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546

Unionicola pollicigera K. Viets, 1921 New records. Ghana. 0/1/0, Inlet Volta River at Kpong, 6°09.183′ N 0°03.709′ E, 25 m a.s.l., 10 Mar. 2011. Distribution. Congo (K. Viets 1921), Ivory Coast (Hevers 2010), Ghana (this study). Some doubtful records published by Walter (1935, 1937), based on deutonymphs only., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 736, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Hevers J. 2010. Die Unionicola - Arten (Acari: Hydrachnidia) des temporaren Flusses N $ ' $ Zi in der Elfenbeinkuste, Westafrika. Stuttg. Beitr. Naturkd. A, Neue Serie, 3: 33 - 78.","Walter, C. 1935. Hydracarina. Voyage de Ch. Alluaud et P. A. Chappuis en Afrique occidentale francaise. Arch. Hydrobiol., 28: 69 - 136.","Walter C., 1937. Contribution a l'etude du Plancton d'eau douce d'Angola. Arch. Hydrobiol., 32: 503 - 509."]}

Momonides ghanaensis Smit, 2012 (Figure 27) New records. Ghana. 1/1/0, unnamed stream between Apepem and Kojo Amu, Atewa Hills, 6°10.252′ N 0°36.520′ W, 424 m a.s.l., 27 Feb. 2013 ; 1/0/0, unnamed stream upstream Sagyimase, Atewa Hills, 6°13.966′ N 0°33.114′ W, 671 m a.s.l., 28 Feb. 2013. Description. Female. Idiosoma dorsally 413 long and 405 wide, ventrally 429 long. Integument and lobed sclerites as described for male. Genital field with two genital plates, 88 long. Acetabula in three indistinct groups, with ± 25 pairs of acetabula (Figure 27). Pre-genital sclerite 44 wide, post-genital sclerite 56 wide, more slender than pre-genital sclerite. Length of P1–5: 30, 50, 31, 44, 36. Palp as in male. Length of I-leg-4–6: 88, 185, 98. Length of IV-leg-4–6: 118, 140, 122. Legs as in male. Male: Idiosoma dorsally 369-377 long and 365-369 wide, ventrally 421-429 long. Remarks. Thus far known only from the holotype male, and the female is described here for the first time. Distribution. Atewa Hills, Ghana (Smit 2012)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 743, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546

Arrenurus (Brevicaudaturus) odonatophilus Münchberg, 1958 New records. Ghana. 0/2/0, Second pond Ankasa NP, 5°17.424′ N 2°38.286′ W, 58 m a.s.l, 14 Feb. 2013; 5/8/0, roadside pond W of entrance to Ankasa NP, 5°10.277′ N 2°39.357′ W, 37 m a.s.l., 14 Feb. 2013. Distribution. Congo (Münchberg 1958), Liberia (Cook 1966), Ghana (Smit 2012)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 741, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546

Unionicola latilaminata K. Viets, 1911 New records. Ghana. 7/1/0, Afiaso stream, Kakum NP, 5°30.087′ N 1°26.373′ W, 114 m a.s.l., 12 Feb. 2013 ; 1/0/0, Ankasa Exploration Base trail stream, Ankasa NP, 5°16.415′ N 2°38.751′ W, 80 m a.s.l., 14 Feb. 2013 ; 0/1/0, Amedzofe Falls, 6°50.656′ N 0°26.868′ E, 599 m a.s.l., 20 Feb. 2013 ; 0/2/0, unnamed stream between Apepem and Kojo Amu, Atewa Hills, 6°10.252′ N 0°36.520′ W, 424 m a.s.l., 27 Feb. 2013 ; 1/1/0, unnamed stream upstream Sagyimase, Atewa Hills, 6°13.966′ N 0°33.114′ W, 671 m a.s.l., 28 Feb. 2913. Distribution. Cameroon (K. Viets 1911, 1912), Liberia (Cook 1966), Ivory Coast (Hevers 2010), Ghana (this study). Outside Africa reported from Israel (Por 1968)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 735, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Viets, K. 1911. Neue Wassermilben aus Kamerun. Zool. Anz., 38: 492 - 495.","Viets K. 1912. Hydracarinen aus Kamerun. Arch. Hydrobiol., 8: 156 - 178.","Hevers J. 2010. Die Unionicola - Arten (Acari: Hydrachnidia) des temporaren Flusses N $ ' $ Zi in der Elfenbeinkuste, Westafrika. Stuttg. Beitr. Naturkd. A, Neue Serie, 3: 33 - 78.","Por F. D. 1968. The invertebrate fauna of lake Tiberias. I. Qualitative aspects. Israel J. Zool., 17: 51 - 79."]}

Limnesia (Limnesia) stagnalis n. sp. Zoobank: F7999793-634A-42EF-B557-906500A8FF83 (Figure 3 A-D) Material examined. Holotype male, shallow part Amansuri wetland, Ghana, 4°59.635′ N 2°35.417′ W, 26 Feb. 2011 (RMNH). Paratypes: one male, one female [young], Amansuri wetland, Ghana, 5°00.398′ N 2°35.162′ W, 12 m a.s.l., 26 Feb. 2011 (RMNH). Diagnosis. P2 ventrally with a setal tubercle, seta longer than tubercle; Cx-I fused medially, Cxgl-4 close to accompanying seta. Description. Male: Integument smooth. Idiosoma dorsally 583 (632) long and 510 (575) wide, ventrally 616 (656) long. Dorsum posteriorly with a pair of small platelets, 30 and 36 long, respectively. Cx-I fused medially, apodemes of anterior coxae short. Cx-III + IV medially with a short secondary sclerotization. Cxgl-4 located close to accompanying seta (Figure 3A). Genital field with three pairs of acetabula, 160 long and 186 wide; gonopore 106 long. Second and third pair of acetabula closer to each other than to first pair. Length of P1–5: 26, 105, 72, 160, 44. P2 ventrally with a setal tubercle, and a seta directed anteriorly, this seta longer than the setal tubercle. P4 ventral margin undulating, with 2+1 setal tubercles (Figure 3B). Length of I-leg-4–6: 104, 122, 118. Length of IV-leg-4–6: 172, 176, 172; length of terminal seta 73; IV-leg-6 geniculated (Figure 4C), but not in the paratype. Swimming setae: III-leg-5 five, IV-leg-4 four or five, IV-leg-5 six. Excretory pore not sclerotized. Female: Idiosoma dorsally 583 long and 130 wide, ventrally 624 long. Coxae as in male. Genital field 200 long, pregenital sclerite 102 wide. Genital field with three pairs of acetabula, second and third pair closer to each other than to first pair (Figure 3D). Length of P1-5: 28, 122, 96, 208, 55. Palp as in male. Length of I-leg-4-6: 114, 134, 112. Length of IV-leg-4-6: 211, 227, 219; terminal seta of IV-leg-6 78 long. Swimming setae: III-leg-6 six, IV-leg-4 five, IV-leg-5 seven. Excretory pore not sclerotized. Etymology. Named for its occurrence in a wetland. Remarks. The new species is close to L. lacustris K.O. Viets, 1973 from Kivu Lake, Congo. It differs in the following characters (in parentheses L. lacustris): Cxgl-4 close to accompanying seta (widely separated), genital field of male rounded (with an indistinct to distinct posterior extension), seta of P2 longer than setal tubercle (about as long as setal tubercle). Moreover, the palp of the new species is much longer, e.g., P4 of the male measures 160 in the new species and 100-110 in lacustris (K.O. Viets 1973). The new species has the fourth leg with more swimming setae than in lacustris., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 707, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Viets K. O. 1973. Wassermilben (Hydrachnellae, Acari) aus dem Gebiet der Kivu-Sees, Zaire (Kongo). Acarologia, 15: 324 - 336."]}

Hygrobates (Hygrobates) niloticus Walter, 1922 (Figure 7 A-C) New record. Ghana. 0/1/0, unnamed stream crossing road to Ankasa NP, 5°11.435′ N 2°39.429′ W, 20 m a.s.l., 27 Feb. 2011. Description. Female. Integument finely lineated, only visible at higher magnification. Idiosoma dorsally 591 long and 462 wide, ventrally 640 long. Cx-I fused medially. Anterior coxae tapering and extending far posteriorly, reaching almost posterior margin of Cx-IV. Posterior to anterior coxae a small area of secondary sclerotization. Suture line Cx-III/IV incomplete, Cxgl-4 located near this suture line. Posterior to Cx-IV an area of secondary sclerotization, not incorporating Vgl-1. Genital field 144 long and 259 wide, with three pairs of acetabula. Pregenital sclerite small, surrounded by a large area of secondary sclerotization. Length of P1–5: 28, 118, 76, 104, 40. P2 anteroventrally with several denticles, ventral margin of P3 with about five relatively large denticles. Length of I-leg-4–6: 118, 104, 74. First leg segments rather stocky, I-leg-5 anteriorly without stout setae. Distribution. Sudan (Walter 1922), Ghana (this study)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on pages 713-714, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Walter C. 1922. Hydracarina. Zoologische Resultate der Reise von Dr. P. A. Chappuis an den oberen Nil. II. Hydracarina. Rev. Suisse Zool., 30: 63 - 86."]}

Neumania (Lemienia) separata Cook, 1966 New records. Ghana. 12/7/8, shallow roadside pond, along road Axim-Elubo, 5°09.080′ N 2°37.354′ W, 46 m a.s.l., 27 Feb. 2011 ; 0/1/0, Fish pond along road Elubo-Axim, E of entrance Ankasa NP, 5°09.637′ N 2°38.682′ W, 36 m a.s.l., 27 Feb. 2011 ; 0/2/3, pool Damango, 9°03.983′ N 1°48.419′ W, 185 m a.s.l., 4 mar. 2011 ; 0/1/0, roadside pond W of entrance to Ankasa NP, 5°10.277′ N 2°39.357′ W, 37 m a.s.l., 14 Feb. 2013 ; 0/1/0, Avu Lagoon, 5°59.244′ N 0°42.476′ E, 13 m a.s.l., 18 Feb. 2013 ; 0/1/0, Inlet Volta River at Kpong, 6°09.183′ N 0°03.709′ E, 25 m a.s.l., 27 Feb. 2013. Distribution. Liberia (Cook 1966), Niger, Burkina Faso (Walter 1935), Ghana (this study)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on page 732, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Walter, C. 1935. Hydracarina. Voyage de Ch. Alluaud et P. A. Chappuis en Afrique occidentale francaise. Arch. Hydrobiol., 28: 69 - 136."]}

Limnesia (Limnesia) longidens magnipora Cook, 1966 New records. Ghana. 2/3/2, Pool 1 Ankasa NP, 5°17.407′ N 2°38.378′ W, 59 m a.s.l., 26 Feb. 2011; 1/2/2, First pond, Ankasa NP, 5°17.415′ N 2°38.384′ W, 89 m a.s.l., 14 Feb. 2013. Remarks. In all but one aspects similar to the description given by Cook (1966). The posterodorsal platelet of the males of this study has a straight anterior margin instead of a rounded anterior margin. Distribution. Liberia (Cook 1966), Congo (K.O. Viets 1973), Ghana (this study)., Published as part of Smit, Harry, 2021, Water mites from West Africa (Acari: Hydrachnidia), pp. 700-746 in Acarologia 61 (3) on pages 705-706, DOI: 10.24349/5d6U-DX5N, http://zenodo.org/record/7159546, {"references":["Viets K. O. 1973. Wassermilben (Hydrachnellae, Acari) aus dem Gebiet der Kivu-Sees, Zaire (Kongo). Acarologia, 15: 324 - 336."]}