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Melanagromyza rohdendorfi Spencer, 1966 Material examined: [52]: 1 ♂, 23.vi.2016. Distribution: Palaearctic species. First record from Bulgaria and Balkan peninsula., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 408, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Ophiomyia balcanica sp. nov. (Figs 2–11) Type material. HOLOTYPE: ♂. BULGARIA: Blagoevgrad Province, Pirin Mts., 3–9km SW of Bansko, 41°47′20.4”N, 23°26′60”E, ± 3km, 1610m a.s.l., 21.–22.vi.2018, sweeping and Pan traps, M. Barták & Š. Kubík leg. (CULSP). Etymology. The name of the species, an adjectival toponym, is derived from the name of the Balkan peninsula. Description. Male. Head black. Ocellar triangle and orbits shiny black, frontal vitta brownish, matt. Gena and cheek black, matt. Antenna and palpus black. Frons (Figs 2–3) broad, about twice the width of eye at level of anterior ocellus, slightly tapering toward lunula. Orbits narrow, about 0.15 width of frons at level of anterior ors, distinctly projecting as narrow ring above eye in profile. Two strong equal reclinate ors and 3 weaker ori present. Orbital setulae reclinate, sporadic. Ocellar triangle wide, its anterior tip reaching beyond upper ors setae. First flagellomere small, rounded, short-haired. Wide facial keel present, conspicuously widening below base of antennae. Gena plus cheek at mid-point of eye 0.20 times vertical height of eye; cheek very broad anteriorly. Gena projecting forwards and forming approximately 70° angle anteriorly, vibrissal fasciculus long, broader at base and curving apically. Lunule narrow. Eye bare. Thorax. Scutum and scutellum shiny black. Scutum with 2 dc setae, anterior dc weaker and shorter, about 0.6 length of posterior dc seta, acr irregularly in 6–8 rows. One ia seta present. Legs brownish black. Wing (Fig. 4) with base and veins brown. Squamae greyish, margin and fringe blackish. Knob and stem of halter black. Length of wing: 1.85 mm, costa extending to vein M 1+2, wing tip located between R 4+5 and M 1+2. Ratio of costal sections 2–4 = 4.74: 0.95: 1.00. Ultimate section of vein M 4+5 slightly longer than penultimate (ratio 1.15: 1.00). Abdomen brownish, matt. Male genitalia: epandrium almost hemispherical (Fig. 7), sparsely covered with long setae, surstylus with group of numerous spines on inner surface; cerci slightly arched, reaching almost 0.5 of height of epandrium; phallus as Figs 5–6: distiphallus asymmetrical, with several distinct lobes; mesophallus tubular, long and in the middle tapered, base level agrees with that of distiphallus, inserted ventromedially into distiphallus; basiphallus fused to phallophorus, left arm vestigial, right arm extending to level of mesophallus, broad apically and extending ventroapically around shaft; hypandrium (Figs 8–9) with narrow, long arms; ejaculatory apodeme (Figs 10–11) Y-shaped with long and narrow stem, asymmetrical narrow blade, long basal process on stem is present. Female and biology unknown. Comments. Ophiomyia balcanica a small species superficially similar to Ophiomyia ranunculicaulis Hering, 1949; however, the new species differs in having a higher gena with anterior angle approximately 70°; the anterior tip of the ocellar triangle reaches slightly past the upper ors setae; 3 ori setae are present; the ultimate section of vein M 4+5 is slightly longer than the penultimate. The male genitalia are strikingly different, however, with those of the new species being more similar to Ophiomyia senecionina Hering, 1944 (see Papp & Černý 2015: Figs 206D–J), but much narrower., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on pages 408-411, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Papp, L. & Cerny, M. (2015) Agromyzidae (Diptera) of Hungary. Vol. 1. Agromyzinae. Pars Ltd, Nagykovacsi, 416 pp. https: // doi. org / 10.18655 / Agromyzidae. Vol. 1"]}

Agromyza conjuncta Spencer, 1966 Material examined: [10]: 1 ♂, 14.vi.1990, det. M. Vála. Distribution: European species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 405, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Phytomyza nepetae Hendel, 1922 Material examined: [8]: 2 ♂, 13.vi.1990. Distribution: Holarctic species. First record from Bulgaria and Balkan peninsula., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 432, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Agromyza seticercus L. Papp in Papp & Černý 2015 Material examined: [57]: 1 ♂, 29.iv.–9.v.2018; [58]: 1 ♂, 5.–6.v.2018. Distribution: Palaearctic species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 407, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Papp, L. & Cerny, M. (2015) Agromyzidae (Diptera) of Hungary. Vol. 1. Agromyzinae. Pars Ltd, Nagykovacsi, 416 pp. https: // doi. org / 10.18655 / Agromyzidae. Vol. 1"]}

Cerodontha (Poemyza) spencerae Zlobin, 1993 Material examined: [43]: 1 ♂, 23.vi.2016. Distribution: Palaearctic species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 417, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Ophiomyia beckeri (Hendel, 1923) Material examined: [19]: 1 ♂, 2.vii.1982; [27]: 1 ♂, 30.vi.2016; [31]: 1 ♂, 15.vi.2017; [32]: 1 ♂, 23.–24.vi.2017; [55]: 1 ♂, 21.vi.2017. Distribution: Palaearctic, Afrotropical and Oriental species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 411, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Phytomyza karnarensis sp. nov. (Figs 31–39) Type material. HOLOTYPE: ♂. BULGARIA: Plovdiv Province, 2km N of Karnare, 42°43’8.4”N, 24°37’58.8”E, 700m a.s.l., 23.–24.vi.2017, near stream, sweeping and Pan traps, M. Barták & Š. Kubík leg. (CULSP). Head of the holotype is damaged, with exposed ptilinum (Fig. 31). Etymology. The name of the species, an adjectival toponym, is derived from the name of type locality, Karnare village. Description. Male. Head (Fig. 31) blackish brown, ocellar plate black, matt, frontal vitta blackish brown. Hind margin black, both vt on dark area. Orbits, gena and cheek blackish brown, grey, matt. Antennae and arista blackish brown, palpus brown, antennal pits black, matt. Frons very broad (about 2.5 times the width of eye at level of anterior ocellus). Orbits broad (about 0.27 width of frons), distinctly projecting above eye in profile. Two reclinate and divergent ors present, 2 inclinate ori. Orbital setulae numerous, arranged in one row. Gena including cheek deeply extended posteriorly, almost 0.55 times height of eye, 1 vi and 6–7 pm setae present. Cheek forms wide ring below eye. First flagellomere small, oval, covered with short pubescence, scape with 1 setula. Arista with short pubescence. Lunula semicircular. Thorax. Scutum and scutellum black, slightly shiny. Notopleural and anepisternal sutures narrowly yellowish white. Scutum with 1+3 dc, acr in 2 regular rows, but sporadic. All usual setae present: 1 oc, 1 pvt, 1 vte, 1 vti, 1 ppl, 1 ppnt, 1+1 npl, 1 prs, 1 sa, 1 epa, 1 ipa, 1 anepst, 1 kepst, 1 bs, 1 as. Wing (Fig. 38) hyaline, wing base yellowish white, veins ochre brown, Wing (Fig. 32) length 1.65 mm, ratio of costal sections 2–4 = 1.45: 0.43: 1.00. Wing tip close to vein M 1+2. Squama grey, margin and fringe blackish brown. Legs brown, fore tibia and tarsi ochre brown. Abdomen black, matt. Male genitalia: epandrium (Fig. 35) sparsely covered with long setae; surstylus densely covered with thin setulae; cerci narrow and cylindrical, slightly curved, reaching almost 0.35 length of epandrium; phallus as in Figs 33–34: distiphallus complex suboval, distally branching into two curved and diverging tubes; mesophallus cylindrical and narrow, basally slightly expanding; basiphallus consists of two irregularly shaped sclerites, right sclerite merged at base with the phallophorus, the left sclerite has a long, curved and very narrow outgrowth, which reaches backwards to about the midpoint of the phallophorus; both hypophallus and paraphallus absent; hypandrium (Figs 36–37) broad, almost pentagonal; ejaculatory apodeme (Figs 38–39) small, with asymmetrical blade. Female and biology unknown. Comments. The species is very similar to Phytomyza scotina Hendel, 1920 with regards to the dark colouring of the head, thorax and legs, the distinct and conspicuously projecting orbits above the eye in profile, the deeply extended gena posteriorly, the broad cheeks, the peculiar length of the second costal section, and the two rows of acr. The new species mostly differs in the structure of genitalia. In Ph. scotina, the distiphallus has a peculiar shape with a typical shaped dorsal and ventral part and distal diverging tubes, the mesophallus is very long and narrow; the hypophallus is narrow and long, a triangular paraphallus is present, and the ejaculatory apodeme is large, with a short stalk and a very wide blade (see Papp & Černý 2020: Figs 188D–J)., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 430, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Papp, L. & Cerny, M. (2020) Agromyzidae (Diptera) of Hungary. Vol. 4. Phytomyzinae III. Pars Ltd, Nagykovacsi, 708 pp."]}

Phytomyza sii Hering, 1930 Material examined: [31]: 1 ♂, 15.vi.2017; [48]: 1 ♂, 14.–17.vi.2019. Distribution: West Palaearctic species. First record from Bulgaria and Balkan peninsula., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 434, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Phytomyza notata Meigen, 1830 Literature: Beiger 1979, Černý 2013, Hubenov 2021. Material examined: [33]: 1 ♂, 16.–26.vi.2017. Distribution: European species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 432, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Beiger, M. (1979) Materials to the knowledge of mining insects of Bulgaria. Polskie Pismo entomologiczne, 49 (3), 485 - 534. [In Polish, English summary]","Cerny, M. (2013) Additional records of Agromyzidae (Diptera) from the West Palaearctic Region. Casopis Slezskeho Muzea Opava (A), 62, 281 - 288.","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}

Cerodontha (Dizygomyza) morosa (Meigen, 1830) Material examined: [1]: 2 ♂, 28.vi.2016; [2]: 1 ♂, 27.vi.2016; [7]: 1 ♂, 6.v.1989, 1 ♂, 9.v.1989, det. M. Vála; [29]: 3 ♂, 20.vi.2016; [30]: 14 ♂, 20.vi.2016; [39]: 3 ♂, 22.–24.vi.2016; [40]: 2 ♂, 14.–25.vi.2019; [41]: 2 ♂, 14.–18.vi.2018; [43]: 6 ♂, 23.vi.2016; [44]: 2 ♂, 19.–20.vi.2018; [48]: 1 ♂, 14.–17.vi.2019; [52]: 1 ♂, 23.vi.2016; [57]: 1 ♂, 29.iv.–9.v.2018. Distribution: Holarctic and Oriental species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on pages 415-416, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Aulagromyza anteposita (Strobl, 1898) Literature: Černý & Merz 2006, Hubenov 2021. Material examined: [7]: 1 ♀, 6.v.1989, 1 ♀, 9.v.1989; [8]: 1 ♀, 13.vi.1990; [58]: 1 ♂, 5.–6.v.2018; [59]: 1 ♂, 1.–3.v.2018. Distribution: European species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 413, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Cerny, M. & Merz, B. (2006) New records of Agromyzidae (Diptera) from Palaearctic Region. Mitteilungen der schweizerischen entomologischen Gesellschaft, 79 (1), 77 - 106.","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}

Liriomyza flaveola (Fallén, 1823) Literature: Buhr 1941, Beiger 1979, Hubenov 2021. Material examined: [2]: 4 ♂, 27.vi.2016; [3]: 4 ♂, 1.vii.2016; [4]: 3 ♂, 21.–22.vi.2018; [7]: 1 ♂, 9.v.1989; [26]: 2 ♂, 15.–22.vi.2017; [30]: 2 ♂, 20.vi.2016; [31]: 4 ♂, 15.vi.2017; [33]: 1 ♂, 16.–26.vi.2017; [42]: 1 ♂, 16.–25.vi.2019; [45]: 2 ♂, 22.–23.vi.2019; [46]: 2 ♂, 24.–25.vi.2016; [48]: 3 ♂, 14.–17.vi.2019, 2 ♂, 14.–26.vi.2019. Distribution: Holarctic species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 419, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Buhr, H. (1941) Dipteren-, insbesondere Agromyziden-Minen aus Sudeuropa. Stettiner entomologische Zeitung, 102 (1), 73 - 119.","Beiger, M. (1979) Materials to the knowledge of mining insects of Bulgaria. Polskie Pismo entomologiczne, 49 (3), 485 - 534. [In Polish, English summary]","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}

Pseudonapomyza palliditarsis Černý, 1992 Literature: Černý & Merz 2006, Hubenov 2021. Material examined: [57]: 1 ♂, 29.iv.–9.v.2018. Distribution: Palaearctic species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 434, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Cerny, M. & Merz, B. (2006) New records of Agromyzidae (Diptera) from Palaearctic Region. Mitteilungen der schweizerischen entomologischen Gesellschaft, 79 (1), 77 - 106.","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}

Phytobia mallochi (Hendel, 1924) Material examined: [32]: 6 ♂, 23.–24.vi.2017; [33]: 3 ♂, 16.–26.vi.2017. Distribution: European species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 425, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Phytoliriomyza pteridii Spencer, 1973 Material examined: [7]: 1 ♂, 9.v.1989; [39]: 2 ♂, 22.–24.vi.2016. Distribution: European species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 425, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Spencer, K. A. (1973) Agromyzidae (Diptera) of economic importance. Series entomologica. Vol. 9. W. Junk., The Hague, xi + 418 pp. https: // doi. org / 10.1007 / 978 - 94 - 017 - 0683 - 4"]}

Agromyza prespana Spencer, 1957 Literature: Beiger 1979, Hubenov 2021. Material examined: [6]: 1 ♀, 7.v.1989, det. M. Vála; [7]: 1 ♂, 5.v.1989, 1 ♂, 9.v.1989, 1 ♂, 14.vi.1990, det. M. Vála; [10]: 2 ♀, 14.vi.1990, det. M. Vála; [14]: 1 ♂, 24.vi.2018; [57]: 4 ♂, 29.iv.–9.v.2018. Distribution: West Palaearctic species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 406, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Beiger, M. (1979) Materials to the knowledge of mining insects of Bulgaria. Polskie Pismo entomologiczne, 49 (3), 485 - 534. [In Polish, English summary]","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}

Cerodontha (Dizygomyza) luctuosa (Meigen, 1830) Material examined: [1]: 1 ♂ ¸ 28.vi.2016; [30]: 3 ♂, 20.vi.2016; [32]: 2 ♂, 23.–24.vi.2017; [39]: 2 ♂, 22.–24.vi.2016; [40]: 1 ♂, 14.–25.vi.2019; [52]: 1 ♂, 23.vi.2016; [57]: 1 ♂, 29.iv.–9.v.2018; [58]: 1 ♂, 5.–6.v.2018. Distribution: Holarctic species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 415, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Liriomyza pirinensis sp. nov. (Figs 12–21) Type material. HOLOTYPE: ♂. BULGARIA: Blagoevgrad Province, Pirin Mts., Vikhren hut, 41º45‘22“N, 23º24‘55“E, 2000m a.s.l., 27.vi.2016, alpine meadow, M. Barták & Š. Kubík leg. (CULSP). PARATYPE: 1 ♂, same data as holotype (CMCH). Etymology. The name of the species, an adjectival toponym, is derived from the name of Pirin Mountains. Description. Male. Head (Figs 12–13) yellow, ocellar triangle shiny black. Hind margin of eye black, both vt on dark area, upper orbits brownish black and lower orbits brownish. Face and antennal pits yellow. First flagellomere with only short pubescence, blackish brown, scape and pedicel yellow, palpus yellow. Frons about 1.4 times the width of eye at level of anterior ocellus, orbits slightly projecting above eye at base of antennae. Ocellar triangle small, its anterior margin not reaching level of single ors. One reclinate ors present, 3 inclinate ori, lower one shorter. Orbital setulae short and sporadic. Gena deepest in posterior part, almost 0.3 times the height of eye. Cheek forming a distinct narrow ring below eye, 1 vi and 4 pm setae present. First flagellomere small, rounded, covered with short pubescence, scape with 2 setulae.Arista only 0.75 times as long as eye hight, with short pubescence, basally spindlelike swollen. Lunule higher than semicircle. Thorax. Scutum entirely shiny black, scutellum blackish laterally, bc setae on black area. Notopleural area yellow, postpronotal lobe yellow with a small blackish oval spot in front, 1 ppnt seta and 5 setulae on black area. Anepisternum blackish along front and lower margins, upper third and hind margin yellow, anepst setae and 3 setulae on yellow area. Katepisternum almost entirely black, narrowly yellow along upper margin, kepst seta on yellow area. Black colour of katepisternum and meron not divided by a yellow area. Scutum with 1+3 dc, presutural dc only 0.6 length of postsutural setae, distance between 1 st dc and 2 nd dc is about 1.7–2.1 times longer than between 2 nd and 3 rd dc setae. Acrostichal setulae regularly in 4 rows. All usual setae present: 1 oc, 1 pvt, 1 vte, 1 vti, 1 ppl, 1 ppnt, 1+1 npl, 1 prs, 1 sa, 1 epa, 1 ipa, 1 anepst, 1 kepst, 1 bs, 1 as. Wing (Fig. 14) veins brown, base of wing yellow. Squamae greyish, margin and fringe blackish. Knob and stem of halteres yellow. Wing length 1.65–1.75 mm, costa reaching M 1+2, ratio of costal sections 2–4 = 3.31: 1.56: 1.00. The ultimate section of vein M 3+4 almost 2 times the length of penultimate. Coxae and femora yellow with base brownish, femora with narrow brownish striations, tibiae and tarsi all brown. Abdomen blackish brown. Male genitalia: epandrium (Fig. 17) rather high, ventro-apical edge strongly narrowed with the usual thick peg, covered with sparse long setae; cerci moderately long and very narrow, about as long as 0.6 height of epandrium; subepandrial sclerite (Fig. 18) slightly higher than broad, with dorsal arms narrow, broadly divergent, ventral arms very long with long seta; surstylus (Fig. 21) with single subapical spine; phallus as Figs 15–16, distiphallus complex symmetrical, with characteristic structures; swollen apical section ejaculatory duct approximately two thirds length basiphallus; hypandrium Ushaped, long and narrows arms thin with a subbasal lateral process; ejaculatory apodeme (Figs 19–20) Y-shaped, with a broad but not long bulb and with an asymmetrical, broadly rounded blade. Female and biology unknown. Comments. This new species is very similar to European Liriomyza thesii Hering, 1924 considering external characters and the form of male genitalia. However, L. pirinensis sp. nov. distinctly differs in the darker coloration of head between the ocellar area and the upper orbits, the orbits are distinctly darker, and the first flagellomere is entirely black with only short pubescence. The cheeks form only very narrow ring. The scutum is without small yellow patches at the hind corners. The black colour of katepisternum and meron are not divided by a yellow area. The genitalia are similar, but those of the new species differ in the shape of the distiphallus, paraphalli, swollen apical section ejaculatory duct, hypophallus and surstylus. The cerci are only sparsely covered with setae on the ventral third (see Papp & Černý 2017: Figs 79A–K). The North American Liriomyza pilicornis Lonsdale, 2017 is also clearly related, but distiphallus is with short basal stem and one pair of short, internal fringed processes and one pair of ventromedial bars. Mesophallus short, dark and especially widened subbasally, paraphalli long, flat leaf-like plates. Swollen apical section ejaculatory duct approximately about half length basiphallus. First flagellomere relatively large, circular and distal half covered with hairs approximately as wide as arista base, orbits only narowlly brownish along lateral margin, 2 ors, 2 ori, fore tibia brownish and mid tibia brown both with base yellowish (see Lonsdale 2017: Figs 4, 15, 153–157).

Cerodontha (Dizygomyza) carpatica Nowakowski, 1973 Material examined: [46]: 2 ♂, 24.–25.vi.2016. Distribution: Little known probably European species. First record from Bulgaria and Balkan peninsula., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 415, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Nowakowski, T. J. (1973) Monographie der europaischen Arten der Gattung Cerodontha Rond. Annales zoologici, 31 (1), 1 - 327."]}

Cerodontha (Poemyza) alpina Nowakowski, 1967 Material examined: [2]: 1 ♂, 27.vi.2016. Distribution: European species. First record from Bulgaria and Balkan peninsula., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 416, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Napomyza lateralis (Fallén, 1823) Literature: Trenčev 1979. Material examined: [1]: 1 ♂, 28.vi.2016; [2]: 2 ♂, 27.vi.2016; [4]: 1 ♂, 21.–22.vi.2018; [23]: 1 ♂, 22.–24.vi.2017; [27]: 1 ♂, 30.vi.2016, 2 ♂, 24.vi.2018; [29]: 1 ♂, 20.vi.2016; [30]: 1 ♂, 20.vi.2016; [33]: 1 ♂, 16.–26.vi.2017; [41]: 6 ♂, 14.–18.vi.2018; [42]: 1 ♂, 16.–25.vi.2019; [43]: 3 ♂, 23.vi.2016; [45]: 1 ♂, 22.–23.vi.2019; [48]: 1 ♂, 14.–26.vi.2019; [55]: 2 ♂, 21.vi.2017. Distribution: Holarctic species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on pages 424-425, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Calycomyza humeralis (von Roser, 1840) Literature: Beiger 1979, Beschovski 2004, 2006, Hubenov 2021. Material examined: [19]: 2 ♂, 3.–5.vii.1982; [32]: 3 ♂, 23.–24.vi.2017; [39]: 1 ♂, 22.–24.vi.2016; [44]: 1 ♂, 19.–20.vi.2018; [52]: 1 ♂, 23.vi.2016; [57]: 1 ♂, 29.iv.–9.v.2018. Distribution: Widespread and almost cosmopolitan species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 414, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Beiger, M. (1979) Materials to the knowledge of mining insects of Bulgaria. Polskie Pismo entomologiczne, 49 (3), 485 - 534. [In Polish, English summary]","Beschovski, V. L. (2004) Diptera Brachycera recorded for the Eastern Rhodopes (Bulgaria). In: Beron, P. & Popov, A. (Eds.), Biodiversity of Bulgaria. 2. Biodiversity of Eastern Rhodopes (Bulgaria and Greece). Pensoft & Museum of National Museum of Natural History, Sofia, pp. 741 - 757.","Beschovski, V. L. (2006) Diptera Brachycera (Insecta) established in the Western Rhodopes Mountains (Bulgaria). In: Beron, P. (Ed.), Biodiversity of Bulgaria. 3. Biodiversity of Western Rhodopes (Bulgaria and Greece) I. Pensoft & National Museum of Natural History, Sofia, pp. 617 - 674.","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}

Melanagromyza sativae Spencer, 1957 Material examined: [29]: 1 ♂, 20.vi.2016. Distribution: West Palaearctic species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 408, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Phytomyza medicaginis Hering, 1925 Material examined: [34]: 1 ♂, 4.v.2018. Distribution: European species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 432, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Cerodontha (Butomomyza) scirpi (Karl, 1926) Literature: Nowakowski 1973. Material examined: [44]: 2 ♂, 19.–20.vi.2018; [45]: 1 ♂, 22.–23.vi.2019; [58]: 1 ♂, 5.–6.v.2018. Distribution: Holarctic species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 414, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Nowakowski, T. J. (1973) Monographie der europaischen Arten der Gattung Cerodontha Rond. Annales zoologici, 31 (1), 1 - 327."]}

Liriomyza buhri Hering, 1937 Literature: Buhr 1941, Hubenov 2021. Material examined: [29]: 1 ♂, 20.vi.2016. Distribution: Palaearctic species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 419, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Buhr, H. (1941) Dipteren-, insbesondere Agromyziden-Minen aus Sudeuropa. Stettiner entomologische Zeitung, 102 (1), 73 - 119.","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}

Cerodontha (Poemyza) atra (Meigen, 1830) Literature: Černý & Merz 2006, Hubenov 2021. Material examined: [23]: 1 ♂, 22.–24.vi.2017; [26]: 1 ♂, 15.–22.vi.2017; [27]: 1 ♂, 24.vi.2018; [31]: 1 ♂, 15.vi.2017; [35]: 3 ♂, 1 ♀, 21.vii.1987; [40]: 1 ♂, 14.–25.vi.2019; [42]: 2 ♂, 16.–25.vi.2019; [44]: 1 ♂, 19.–20.vi.2018; [45]: 7 ♂, 22.–23.vi.2019; [48]: 1 ♂, 14.–26.vi.2019; [57]: 4 ♂, 29.iv.–9.v.2018; [58]: 4 ♂, 5.–6.v.2018; [59]: 1 ♂, 1.–3.v.2018. Distribution: A very common Palaearctic species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 416, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Cerny, M. & Merz, B. (2006) New records of Agromyzidae (Diptera) from Palaearctic Region. Mitteilungen der schweizerischen entomologischen Gesellschaft, 79 (1), 77 - 106.","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}

Cerodontha (Cerodontha) affinis (Fallén, 1823) Literature: Černý & Merz 2006, Hubenov 2021. Material examined: [43]: 1 ♂, 23.vi.2016. Distribution: European species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 414, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Cerny, M. & Merz, B. (2006) New records of Agromyzidae (Diptera) from Palaearctic Region. Mitteilungen der schweizerischen entomologischen Gesellschaft, 79 (1), 77 - 106.","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}

Agromyza spenceri Griffiths, 1963 Literature: Beiger 1979, Hubenov 2021. Material examined: [6]: 1 ♂, 18.vi.1990, ex larvae on Phragmites communis, imago 3.vii.1990, det. M. Vála; [20]: 3 ♂, 4 ♀, 9.vii.1982, ex larvae on Phragmites communis. Distribution: Palaearctic species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 407, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Beiger, M. (1979) Materials to the knowledge of mining insects of Bulgaria. Polskie Pismo entomologiczne, 49 (3), 485 - 534. [In Polish, English summary]","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}

Agromyza nigrociliata Hendel, 1931 Material examined: [1]: 1 ♂, 28.vi.2016; [2]: 5 ♂, 27.vi.2016; [3]: 1 ♂, 1.vii.2016; [39]: 1 ♂, 22.–24.vi.2016; [42]: 1 ♂, 16.–25.vi.2019; [45]: 1 ♂, 22.–23.vi.2019; [57]: 1 ♂, 29.iv.–9.v.2018. Distribution: Palaearctic species. First record from Bulgaria., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 406, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Phytomyza chaerophylliana Hering, 1931 Material examined: [8]: 1 ♂, 13.vi.1990; [40]: 1 ♂, 14.–25.vi.2019. Distribution: European species. First record from Bulgaria and Balkan peninsula., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 429, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411

Agromyza pseudoreptans Nowakowski, 1967 Literature: Beiger 1979, Beschovski 2006, Hubenov 2018, 2021. Material examined: [3]: 1 ♂, 21.–22.vi.2018; [4]: 1 ♂, 21.–22.vi.2018; [5]: 1 ♂, 25.vi.2018; [8]: 1 ♀, 17.vi.1990, det. M. Vála; [14]: 2 ♂, 24.vi.2018; [33]: 1 ♂, 16.–26.vi.2017; [39]: 2 ♂, 22.–24.vi.2016; [48]: 2 ♂, 14.–17.vi.2019, 2 ♂, 14.–26.vi.2019; [57]: 2 ♂, 29.iv.–9.v.2018. Distribution: Holarctic species., Published as part of Černý, Miloš, Barták, Miroslav, Kubík, Štěpán & Vála, Miloslav, 2022, New records of Agromyzidae (Diptera) from Bulgaria, pp. 401-438 in Zootaxa 5175 (4) on page 406, DOI: 10.11646/zootaxa.5175.4.1, http://zenodo.org/record/7006411, {"references":["Beiger, M. (1979) Materials to the knowledge of mining insects of Bulgaria. Polskie Pismo entomologiczne, 49 (3), 485 - 534. [In Polish, English summary]","Beschovski, V. L. (2006) Diptera Brachycera (Insecta) established in the Western Rhodopes Mountains (Bulgaria). In: Beron, P. (Ed.), Biodiversity of Bulgaria. 3. Biodiversity of Western Rhodopes (Bulgaria and Greece) I. Pensoft & National Museum of Natural History, Sofia, pp. 617 - 674.","Hubenov, Z. (2018) The Dipterans (Insecta: Diptera) of the Vitosha Mountain. Historia naturalis bulgarica, 26, 1 - 66.","Hubenov, Z. (2021) Species composition and distribution of the dipterans (Insecta: Diptera) in Bulgaria. Pensoft & National Museum of Natural History, Sofia, 276 pp. https: // doi. org / 10.3897 / ab. e 68616"]}