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edmistoni Wirth & Spinelli, 1993b: 624 (larva, pupa, male, female). Type locality: USA, Maryland, Prince Georges Co., Patuxent Research Center). HT M (USNM). Distr.: Eastern USA, Argentina (Buenos Aires: Ensenada, Reserva Natural Integral Punta Lara, marginal forest, 34º47′21.2′′S, 57º59′56.8′′W). Refs.: Spinelli & Marino, 1998: 39; Cazorla et al., 2018: 5., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 28, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Wirth, W. W. & Spinelli, G. R. (1993 b) The North American species of the Forcipomyia (Lepidohelea) bicolor subgroup (Diptera: Ceratopogonidae). Proceedings of the Entomological Society of Washington, 95, 611 - 634.","Spinelli, G. R. & Marino, P. I. (1998) First records for Argentina of three species of Forcipomyia (Diptera: Ceratopogonidae). Revista de la Sociedad Entomologica Argentina, 57, 39 - 40.","Cazorla, C. G., Marino, P. I., Diaz, F. & Campos, R. E. (2018) Diversity of Ceratopogonidae (Diptera: Culicomorpha) from the Reserva Integral Natural Punta Lara (Buenos Aires, Argentina. Revista de la Sociedad Entomologica Argentina, 77, 1 - 13. https: // doi. org / 10.25085 / rsea. 770301"]}

anitae Huerta & Ibañez-Bernal, 1996: 350 (male). Type locality: Mexico, Chiapas, San Cristobal de las Casas. HT M (CAIM). Distr.: Mexico (San Luis Potosi, Chiapas), Costa Rica, Brazil (Bahia), Argentina (Corrientes: sorroundings Corrientes city, 27°29′58.64″S, 58°45′01.99″W; Esteros del Iberá, Colonia Pellegrini, 28°32′17.58″S, 57°10′56.86″W). Refs.: Marino & Spinelli, 2005: 165. New records: Misiones: Arroyo Anyico at km 813 NRt. 14, 27°39′52.76″S, 55°36′31.35″W. Corrientes: Esteros del Iberá, Galarza, 28°05′40.29′′S, 56°41′11.25″W; Esteros del Iberá, Estancia San Nicolás, casco, 28º07′41.0′′S, 57º26′03.5′′W; Esteros del Iberá, Estancia Rincón del Socorro, shore of estero, 28°37′37.9′′S, 57°25′06.4′′W, 80 m; Arroyo Pay Ubre, 29º01′41.2′′S, 58º10′26.6′′W, 66 m.

varipennis Wirth & Williams, 1957: 8 (female). Type locality: Bermuda. HT F (USNM). Distr.: USA (Florida and Puerto Rico), Bermuda, Paraguay, Argentina (Salta: Departamento San Martín Río Carapari, 8 km S Pocitos (Salvador Mazza), 22°04′03.19′′S, 63°40′20.26′′W, 757 m. Misiones: Puerto Iguazú, 25°40′S, 54°33′W). Refs.: Spinelli & Marino, 1998: 39., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 28, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Wirth, W. W. & Williams, R. W. (1957) The biting midges of the Bermuda Islands, with descriptions of five new species. Proceedings of the Entomological Society of Washington, 59, 5 - 14.","Spinelli, G. R. & Marino, P. I. (1998) First records for Argentina of three species of Forcipomyia (Diptera: Ceratopogonidae). Revista de la Sociedad Entomologica Argentina, 57, 39 - 40."]}

maculosa Ingram & Macfie, 1931: 159 (female). Type locality: Argentina, PN Nahuel Huapi, Río Negro, Lago Gutiérrez, 41°10′49.26″S, 71°23′15.08″W. HT F (BMNH). Distr.: Argentina (Río Negro: type locality). Refs.: Ingram & Macfie, 1931: 159., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 28, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Ingram, A. & Macfie, J. W. S. (1931) Ceratopogonidae. In: Diptera of Patagonia and South Chile, based mainly on material in the British Museum (Natural History). Part II. Fasc. 4. Nematocera. Printed by order of the Trustees, London, pp. 155 - 232."]}

williamsi Marino & Spinelli, 1999a: 5 (male, female). Type locality: Argentina, Buenos Aires, Berisso, Los Talas, 34°52′16.47′′S, 57°51′08.76′′W. HT F (MLPA). Distr.: Argentina (Buenos Aires: type locality; Isla Martín García, 34°11′16.95″S, 58°14′41.93″W; Ensenada, Reserva Natural Integral Punta Lara, marginal forest, 34º47′21.2′′S, 57º59′56.8′′W). Refs.: Marino & Spinelli, 1999a: 5; Cazorla et al., 2018: 5., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 28, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Marino, P. I. & Spinelli, G. R. (1999 a) The subgenus Forcipomyia (Metaforcipomyia) in Argentina (Diptera: Ceratopogonidae). Iheringia, serie Zoologia, 86, 3 - 8.","Cazorla, C. G., Marino, P. I., Diaz, F. & Campos, R. E. (2018) Diversity of Ceratopogonidae (Diptera: Culicomorpha) from the Reserva Integral Natural Punta Lara (Buenos Aires, Argentina. Revista de la Sociedad Entomologica Argentina, 77, 1 - 13. https: // doi. org / 10.25085 / rsea. 770301"]}

morenoi Marino & Spinelli,2003:26 (male). Type locality: Argentina, Neuquén, PN Lanín, Hua Hum, 40°07′13.34″S, 71°39′41.41″W. HT M (MLPA). Distr.: Argentina (Neuquén: type locality). Refs.: Marino & Spinelli, 2003: 26., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 28, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Marino, P. I. & Spinelli, G. R. (2003) The Patagonian species of the subgenus Forcipomyia (Metaforcipomyia) (Diptera: Ceratopogonidae), with a key to the New World species. Insect Systematics and Evolution, 34, 21 - 28. https: // doi. org / 10.1163 / 187631203788964872"]}

squamosa Lutz, 1914: 87 (male, female). Type locality: Brazil, Rio de Janeiro, Manguinhos. ST M (FIOC). Distr.: Colombia, Bolivia, Brazil (Amazonas, Bahia, Rio de Janeiro, Santa Catarina), Argentina (Mendoza: Potrerillos, 32°57′02.67″S, 69°12′20.26″W). Refs.: Ingram & Macfie, 1931: 226., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 29, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Lutz, A. (1914) Contribuic \" o para o conhecimento das \" Ceratopogoninas \" do Brasil. Memorias do Instituto Oswaldo Cruz, 6, 81 - 99. https: // doi. org / 10.1590 / S 0074 - 02761914000200003","Ingram, A. & Macfie, J. W. S. (1931) Ceratopogonidae. In: Diptera of Patagonia and South Chile, based mainly on material in the British Museum (Natural History). Part II. Fasc. 4. Nematocera. Printed by order of the Trustees, London, pp. 155 - 232."]}

wygodzinskyi Cavalieri, 1961a: 17 (female). Type locality: Argentina, Tierra del Fuego, Ushuaia, El Tristén, 54°43′59.24″S, 67°54′48.08″W. HT F (MLPA). Distr.: Chile, Argentina (Tierra del Fuego: type locality; PN Tierra del Fuego, Lapataia, 54°49′56.50″S, 68°33′45.20″W). Refs.: Cavalieri, 1961a: 17; Marino & Spinelli, 2001a: 106. delpontei Cavalieri, 1961b: 169. Type locality: Argentina, Tierra del Fuego, El Tristén, 54°43′59.24″S, 67°54′48.08″W. HT F (MLPA). New records: Tierra del Fuego: PN Tierra del Fuego, unnamed stream, 54º51′23.6′′S, 68º35′37.3′′W, 31 m; PN Tierra del Fuego, Sendero de la Baliza, unnamed stream at Bahía Lapataia, 54º51′36.4′′S, 68º33′43.7′′W, 8 m., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 23, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Cavalieri, F. (1961 a) Notas sobre Ceratopogonidae (Diptera, Nematocera) I. Forcipomyia (Forcipomyia) wygodzinskyi sp. n. para Tierra del Fuego. Revista de la Sociedad Entomologica Argentina, 23, 17 - 19.","Marino, P. I. & Spinelli, G. R. (2001 a) Las especies del subgenero Forcipomyia (Forcipomyia) en la Patagonia (Diptera, Ceratopogonidae). Revista de la Sociedad Entomologica Argentina, 60, 99 - 124.","Cavalieri, F. (1961 b) Notas sobre Ceratopogonidae (Diptera, Nematocera) II. Sobre dos nuevas especies de Forcipomyia para Tierra del Fuego, Forcipomyia (F.) delpontei n. sp. y F. (F.) piroskyi n. sp. Acta Zoologica Lilloana, 18, 169 - 175 (1962)."]}

osaensis Spinelli, Marino & Borkent, 2012a: 15 (male). Type locality: Costa Rica, Puntarenas prov., Península de Osa, Río Agujas, Est. Agujas, Send. Purruja, 300 m. HT M (CNCI). Distr.: Costa Rica, Argentina (Corrientes: Garapé, 27°36′05.30″S, 56°14′44.44″W). First Argentina record., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 28, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Spinelli, G. R., Marino, P. I. & Borkent, A. (2012 a) A revision of biting midges of the subgenera Forcipomyia (Metaforcipomyia) and F. (Saliohelea) from Costa Rica (Diptera: Ceratopogonidae). Zootaxa, 3419 (1), 1 - 52. https: // doi. org / 10.11646 / zootaxa. 3419.1.1"]}

taragui Marino, Spinelli & Cazorla, 2002: 7. New name for guarani. Distr.: Paraguay, Argentina (Corrientes: type locality. Misiones: Corpus, 27°06′22.43″S, 55°31′24.71″W; Candelaria, 27°27′33.49″S, 55°45′28.76″W; Buenos Aires: Ensenada, Reserva Natural Integral Punta Lara, marginal forest, 34º47′21.2′′S, 57º59′56.8′′W), Uruguay. Refs.: Marino & Spinelli, 1999b: 448; Cazorla et al. 2018: 5. guarani Marino & Spinelli, 1999b: 448 (preoccupied by Forcipomyia guarani Ronderos & Spinelli, 1999). Type locality: Argentina, Corrientes, Itá Ibaté, 27°25′18.81″S, 57°19′39.67″W. HT M (MLPA). New records: Misiones: Puerto Iguazú, Arroyo Mbocay, 25°37′51.16″S, 54°33′41.46″W; Paranay, 26°40′33.82″S, 54°49′13.44″W; Arroyo Anyico at km 813 NRt. 14, 27°39′52.76″S, 55°36′31.35″W. Corrientes: Esteros del Iberá, Estancia Rincón del Socorro, casa de Biólogos, 28°41′17.0′′S, 57°26′03.2′′W, 80 m; Arroyo Pay Ubre, 29º01′41.2′′S, 58º10′26.6′′W, 66 m., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on pages 23-24, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Marino, P. I., Spinelli, G. R. & Cazorla, C. G. (2002) Type-specimens of Ceratopogonidae (Insecta: Diptera) in the collection of the Museo de La Plata, Argentina. Facultad de Ciencias Naturales y Museo Universidad Nacional de La Plata. Publicacion Tecnica y Didactica, 42, 1 - 37.","Marino, P. I. & Spinelli, G. R. (1999 b) The species groups of the subgenus Forcipomyia (Forcipomyia) in the Neotropics, with a description of a new species of the genualis group (Diptera: Ceratopogonidae). Transactions of the American Entomological Society, 125, 445 - 452 (Dec.).","Cazorla, C. G., Marino, P. I., Diaz, F. & Campos, R. E. (2018) Diversity of Ceratopogonidae (Diptera: Culicomorpha) from the Reserva Integral Natural Punta Lara (Buenos Aires, Argentina. Revista de la Sociedad Entomologica Argentina, 77, 1 - 13. https: // doi. org / 10.25085 / rsea. 770301","Ronderos, M. M. & Spinelli, G. R. (1999) On the subgenus Forcipomyia (Lasiohelea) in the Neotropical Region (Diptera: Ceratopogonidae). Transactions of the American Entomological Society, 125, 151 - 161 (June)."]}

cerifera Saunders, 1957: 685 (larva, pupa, male, female). Type locality: Brazil, Rio de Janeiro. HT F (CNCI). Distr.: Brazil (Rio de Janeiro), Argentina (Misiones: Campo Viera, 27°21′57.62″S, 55°02′51.86′′W). Refs.: Marino & Spinelli, 1999a: 4., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 28, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Saunders, L. G. (1957) Revision of the genus Forcipomyia based on characters of all stages (Diptera, Ceratopogonidae). Canadian Journal of Zoology, 34, 657 - 705 (1956). https: // doi. org / 10.1139 / z 56 - 065","Marino, P. I. & Spinelli, G. R. (1999 a) The subgenus Forcipomyia (Metaforcipomyia) in Argentina (Diptera: Ceratopogonidae). Iheringia, serie Zoologia, 86, 3 - 8."]}

Subgenus LASIOHELEA Kieffer CENTRORHYNCHUS Lutz, 1913: 62 (preoccupied by Centrorhynchus Steven or Fisher Waldheim, 1829). Type species: Centrorhynchus stylifer Lutz, by original designation. LASIOHELEA Kieffer, 1921b: 115. Type species: Atrichopogon pilosipennis Kieffer (= Ceratopogon velox Winnertz), by original designation. REFERENCES: Ronderos & Spinelli, 1999 (revision of Neotropical species)., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 27, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Lutz, A. (1913) Contribuic \" o para o estudo das Ceratopogoninas hematofagas do Brazil. Memorias do Instituto Oswaldo Cruz, 5, 45 - 73. https: // doi. org / 10.1590 / S 0074 - 02761913000100005","Kieffer, J. J. (1921 b) Sur quelques Dipteres piqueurs de la tribu des Ceratopogoninae. Archives de l'Institut Pasteur de l'Afrique du Nord, 1, 107 - 115 (March).","Ronderos, M. M. & Spinelli, G. R. (1999) On the subgenus Forcipomyia (Lasiohelea) in the Neotropical Region (Diptera: Ceratopogonidae). Transactions of the American Entomological Society, 125, 151 - 161 (June)."]}

annulatipes Macfie, 1939b: 154 (male). Type locality: Brazil, Santa Catarina, Nova Teutônia. HM (BMNH). Distr.: Colombia, Brazil (Pará, Bahia, Santa Catarina), Argentina (Misiones: Puerto Iguazú,Arroyo Mbocay, 25°37′51.16″S, 54°33′41.46″W; Puerto Iguazú, Arroyo Tacuara, 25°35′38.30″S, 54°34′39.44″W; Paranay, 26°40′33.82″S, 54°49′13.44″W; Arroyo Anyico at km 813 NRt. 14, 27°39′52.76″S, 55°36′31.35″W. Refs.: Spinelli et al., 2010: 129., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 28, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Macfie, J. W. S. (1939 b) A report on a collection of Brazilian Ceratopogonidae. Revista de Entomologia, 10, 137 - 219.","Spinelli, G. R., Marino, P. I. & Gaddi, A. L. (2010) New records of biting midges from Argentina and Chile (Diptera: Ceratopogonidae). Revista de la Sociedad Entomologica Argentina, 69, 127 - 132."]}

quatei Wirth, 1952a: 142 (male, female). Type locality, USA, California, Kern Co., Bakersfielkd). HT M (USNM). Distr.: USA (California to Florida) to Ecuador, Brazil (Bahia, Santa Catarina), Paraguay and Argentina (Misiones: Aristóbulo del Valle, Arroyo Cuña Pirú, 27°05′16.30″S, 54°57′08.64″W. Entre Ríos: Salto Grande, Puerto Luis, 31°23′36.01″S, 57°59′41.09″W). Refs.: Marino & Spinelli, 2008: 793., Published as part of Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), pp. 1-83 in Zootaxa 5261 (1) on page 22, DOI: 10.11646/zootaxa.5261.1.1, http://zenodo.org/record/7795050, {"references":["Wirth, W. W. (1952 a) The Heleidae of California. University of California Publications on Entomology, 9, 95 - 266.","Marino, P. I. & Spinelli, G. R. (2008) Biting midges of the Forcipomyia (Forcipomyia) argenteola group in southern South America, with description of a new species and a key to the Neotropical species (Diptera: Ceratopogonidae). Revista de Biologia Tropical, 56, 789 - 794."]}

Culicoides paraensis (Goeldi) (Figs. 2–31) Fourth instar larva (Figs. 2–8; 16–19). Coloration yellowish in life. Larva small 0.27 mm. (Fig. 16). Head capsule (Figs. 2–3, 17) yellowish, moderately elongate, apex slightly bent ventrally, all setae simple, except seta “x”, “o”, “p”; moderately thin, medium-sized to elongate; chaetotaxy as in Figs. 2–5, 7; HL 0.12–0.160 (0.15, n=4) mm, HW 0.08–0.11 (0.10, n=4) mm, HR 1.47–1.62 (1.53, n=4). Antenna short (Figs. 2, 4). Labrum (Figs. 2–4) shorter than greatest width, with three pairs of anterolateral sensilla styloconica (Fig. 4–5, 7); palatum (Figs. 3, 5–6) with three pairs of sensilla trichoidea closely spaced, two anterior pairs medium-sized, posterior pair short; messors (Fig. 4) well developed, stout, with four-five prominent teeth; scopae well developed, formed by three brushes, each with three–four short, stout teeth (Fig. 4–5). Maxilla well developed, heavily sclerotized (Fig. 3); galeolacinia with two–three papillae, with long seta; maxillary palpus (Figs. 5–6) medium-sized, cylindrical, with three apical papillae, two of them medium-sized, other short; lacinial sclerite 1 (Fig. 7) without seta, lacinial sclerite 2 (Figs. 5–7) with medium-sized, thin seta and two papillae. Mandible (Figs. 2–5, 7, 17) small, heavily sclerotized, hooked, curved, with broad base, basal articulations blunt, one sensory pit and one medium-sized seta near hypocondyle; MDL 0.02–0.03 (0.025, n=3) mm, MDW 0.008 –0.011 (0.009, n=3) mm. Hypostoma (Figs. 3, 5–6) with curved mesal elevation, smooth, lateral margin with five–six truncate, strong teeth. Labium elongate, not extending beyond hypostoma. Epipharynx (Figs. 17) massive, strongly sclerotized; with three comb present, dorsal comb very narrow, with two–four teeth/sclerite, unequal and angular; ventral comb 4 with 10–12 teeth; ventral comb 2 with numerous finely, pointed teeth, lateral arms stout, elongate, with lateral curtains with finely pointed teeth of moderate length LAW 0.045 –0.055 (0.052, n=4) mm; DCW 0.010 –0.015 (0.013, n=4) mm. Hypopharynx (Figs. 17) elongate, thin, moderately sclerotized, without fringe. Thoracic pigmentation uniformly pale. Abdominal segment whitish. Caudal segment (Fig. 8, 19) with six pairs of setae: ‘o’ long, stout seta, ‘i’, l1, l2, v, d, long, thin setae; CSL 0.25–0.38 (0.32, n=4) mm, CSW 0.10–0.15 (0.12, n=4); OL 0.16–0.22 (0.19, n=3) mm; OD 0.035 –0.042 (0.038, n=3) mm. Female pupa (Figs. 9–15, 20–21). Exuviae general coloration light brown. Total length 1.52 mm. Head: Dorsal apotome (Fig. 9–10, 22) 1.20X broader than long, pale brown, apex apparently truncated, distal margin truncate; surface smooth, except for three rows of spicules on distal margin, raised areas present; dorsal apotome sensilla: DA-1-H, long, stout seta, DA-2-H campaniform sensillum at tubercle base; DAL 0.11 mm; DAW 0.14 mm; DAW/ DAL 1.27. Mouthparts as in Fig. 13, with mandible, lacinia well developed; palpus extending to posterolateral margin of labium; labium separated medially by labrum, apex of labrum concave. Sensilla: two dorsolateral cephalic sclerite: DL-1-H long, stout seta, DL-2-H short, stout seta; clypeal/ labrals (Fig. 13): CL-1-H long, thin seta, CL-2-H medium-sized, thin seta; oculars (Fig. 13): O-1-H medium-sized, thin seta, O-3-H long, thin seta, O-2-H campaniform sensillum. Thorax: prothoracic extension absent; respiratory organ (Figs. 10–12, 20–21) pale brown; nearly straight, with scale-like spines, with 6–9 apical, 2–3 lateral pores; RO length 0.170 mm, RO wide 0.020 mm; pedicel (Figs. 10, 12) medium-sized, stout, P length 0.03 mm; P/RO length 0.17. Sensilla: one anteromedial AM-1-T medium-sized, hyaline seta; three anterolaterals: AL-1-T long, stout seta, AL-2-T medium-sized, hyaline, stout seta, AL-3-T campaniform sensillum; dorsals (Fig. 21): D-1-T, D-4-T medium–sized, stout seta, D-1-T stouter than D-4-T, D-2-T long, thin seta, D-3-T campaniform sensillum, D-5-T short, stout seta, SA-2-T campaniform sensillum. Metathoracics: M-2-T long, thin seta, M-3-T campaniform sensillum. Cephalothorax (Fig. 21) rectangular, smooth, except for a few small spinules, length 0.72 mm; width 0.475 mm. Abdomen: segments with smooth integument, pale yellow, with scarce, scattered spicules; without pigmentation pattern. Sensilla: Tergite 1 (Figs. 21) with setae as flows: D-2-I short, stout seta; D-3-I long, thin seta; D-7-I campaniform sensillum; D-4-I medium-sized, thin seta; D-8-I short, thin seta; D-9-I long, thin seta; L-1-I long, thin, seta, L-2-I, L-3-I campaniform sensilla. Second abdominal segment similar to the first one; segment 4 with sensillar pattern as follows: D-1-IV minute setae, D-2-IV short, stout seta; D-3-IV long, thin seta; D-4-IV, D-5-IV, D-8-IV minute setae; D-7-IV campaniform sensillum; D-9-IV long, thin seta; V-1-IV, V-2-IV campaniform sensilla; V-5-IV medium-sized, stout seta, V-6-IV short, thin seta; V-7-IV medium-sized, thin seta; L-I-IV, L-2-IV, L-3-IV short, stout setae, L-2-IV longer than L-1-IV and L-3-IV. Segment 9 (Figs. 14-15) 1.36 X longer than wide; ventral surface with many spicules; anterior band continuous with spines; length 0.16 mm, width 0.12 mm. Terminal process (Fig. 14-15) triangular, elongate, divergent, tip pointed; ventral surface spiculate, with D-5-IX, D-6-IX campaniform sensilla; length 0.07 mm. Male Pupa (Figs. 22–31). Similar to female with usual sexual differences. Total length 1.45–1.60 (1.53, n=2) mm. Exuviae pale brown. Dorsal apotome and sensilla (Fig. 22, 25–26) DAL 0.11 mm; DAW 0.14 mm; DAW/DAL 1.27. Mouthparts as in Fig. 23. Clypeal/ labrals and oculars as in Fig. 23. Sensilla anteromedial and anterolaterals as in Figs. 24–25. Dorsals as in Fig. 26. Respiratory organ (Figs. 25–25): length 0.15–0.16 (0.155, n=2) mm, RO wide 0.02 (n=2) mm; pedicel (Figs. 24–25) P length 0.03–0.04 (0.035, n=2) mm; P/RO length 0.27 (n=2). Cephalothorax rectangular: length 0.72–0.75 (0.73, n=2) mm; width 0.47–0.48 (0.475, n=2) mm. Metathoracics and tergite 1 as in Fig. 27. Segment 9 (Fig. 31) 1.36x longer than wide, ventral surface with several stout spicules on anterior margin, length 0.15 (n=2) mm, width 0.11–0.13 (0.12, n=2) mm. Terminal process (Fig. 31) moderately triangular, elongate, divergent, pointed; length 0.11 mm; genital lob (Fig. 31) produced beyond posterior margin of segment. Examined Material. Argentina, Misiones, Estancia “Santa Inés”, Ruta Nacional Nº 105, Km 8.5, Garupá, Departamento Capital, 27°31′40.9′′S, 55°51′59.4′′W, altitude 177 m; X-2014; M. Ayala; 2 males (with pupal exuviae), 1 female (with pupal exuvium); 4 larval exuviae (MPLA). Material examined by SEM. Argentina, Misiones, Estancia “Santa Inés”, Ruta Nacional Nº 105, Km 8.5, Garupá, Departamento Capital, 27°31′40.9′′S, 55°51′59.4′′W, altitude 177 m; X-2014; M. Ayala; 2 larvae, 1 pupa (MPLA). Distribution. USA (Colorado, Nebraska, Pennsylvania, Wisconsin to Louisiana and Florida) to Argentina (Jujuy, Salta, Tucumán, Mendoza, Chaco, Misiones, Corrientes). Bionomics. The immatures here described were collected in mud in the southwestern province of Misiones, Argentina. The entomological survey was carried out in spring, on a sunny day between 12:00 and 12:30 pm, the air temperature was 24ºC, the water temperature was 20ºC, the conductivity was 37.5 µS, the dissolved oxygen was 4.3 ppm (59%) and the pH of 6.4. In the laboratory, the larvae were kept in a mixture of mud from the natural environment and demineralized water; they exhibited a typical serpentine motion when moving across the substrate. At 25–27ºC, the stage IV larva took 4 days to reach the pupal stage. The pupae exhibited slow abdominal circular movements, completing the stage development within 3 days when individually placed in cotton-stoppered vials at room temperature. All emerging adults were C. paraensis ., Published as part of Ayala, Mahia M., Díaz, Florentina, Spinelli, Gustavo R., Micieli, María V. & Ronderos, María M., 2022, Redescription of immature stages of Culicoides paraensis (Goeldi) (Diptera: Ceratopogonidae), vector of the Oropouche virus, pp. 249-264 in Zootaxa 5205 (3) on pages 252-253, DOI: 10.11646/zootaxa.5205.3.4, http://zenodo.org/record/7306937

Parabezzia brasiliensis Spinelli & Grogan (Figs. 22���42) Parabezzia brasiliensis Spinelli & Grogan, 1987: 34 (female; Brazil); Borkent & Wirth, 1997: 104 (in World catalogue); Borkent & Spinelli, 2000: 51 (in catalogue south of USA); Borkent & Spinelli, 2007: 84 (in Neotropical catalogue); Borkent, 2015: 131 (in online World catalogue). Male adult (Figs. 22 ���27, 38��� 39). Head (Fig. 22) dark brown. Eyes separated by diameter of 6 ommatidia, without interommatidial spicules. Antenna (Fig. 23) with flagellomeres 1���10 brown, 11���13 slightly darker, plume welldeveloped, flagellomeres 2���8 fused, 1���9 short, 11���13 elongate. Palpus (Fig. 22) brown, with 4 segments; third segment slender, elongate, subequal to apical segment. Thorax (Figs. 24, 25) uniformly dark brown. Scutum with numerous, moderately elongate, erect setae; scutellum with 6 setae, the two mesal the longest. Pleura without setae. Legs (Fig. 25) with femora and tibiae uniformly dark brown, tarsi paler except tarsomeres 5 infuscated; fore, midcoxae with abundant spine-like setae; hindtibial spur short; hindtibial comb with 8 spines, third from spur longest; tarsomeres 1 of hindleg with dense palisade setae; prothoracic TR 2.40, mesothoracic TR 2.67, metathoracic TR 2.14; tarsomeres 5 elongate; claws equal, small, nearly straight, bifid at tip. Wing (Fig. 26) length 0.96 mm; width 0.30 mm; CR 0.57; membrane very slightly infuscated; radial cell obliterated, venation as figured; costa with 5 setae, 2 near but distal to basal arculus, other 3 on its distal 1 / 4. Halter pale brown. Abdomen uniformly brown. Genitalia (Fig. 27): tergite 9 broad, subquadrangular, extending just anterior to level of apex of gonocoxite; posterior margin broad, nearly straight with broad posteromedian notch, circus stout, rounded; sternite 9 with anterior margin straight, 0.42 length of breadth, with broad, shallow posteromedian excavation. Gonocoxite short, as long as greatest (mesal) width, with short, pointed mesal process; gonostylus slender, 1.3 X longer than gonocoxite, slightly curved with pointed tip. Parameres (Fig. 38) fused, heavily sclerotized, base straight base; distal portion lightly sclerotized, slender, nearly straight with blunt tip; gonocoxal apodemes heavily sclerotized, slender, each with short process directed anterolaterally. Aedeagus (Fig. 39) triangular, 1.6 X longer than greatest (basal) width; basal arch extending 0.1 of total length; proximal 3 / 4 heavily sclerotized; distal portion about �� of total length, lightly sclerotized, with blunt tip. Male pupa (Figs. 28 ���34, 36, 40���42). Exuviae general coloration pale brown, body surface with small rounded tubercles and spinules. Total length 1.76 mm. Flagellum appressed against lateral margin of face, midleg and wing (Fig. 28). Dorsal apotome (Fig. 29) without ventral line of weakness, dorsomedial tubercle and central dome, with anterior margin quadrangular, posterior margin broken, disc surface covered by few rounded tubercles and longitudinal wrinkles on anterior portion, lateral margins with broad raised areas with flattened tubercle at base, bearing 2 dorsal apotome sensilla (Fig. 29) as follows: DA- 1 -H short seta, DA- 2 -H campaniform sensillum at tubercle base; DAL 0.09 mm, DAW 0.19 mm, DAW/ DAL 5.56. Cephalothorax rectangular (Fig. 28), narrowed posterioly, length 0.95 mm, width 0.67 mm; mesonotum covered with few moderately-sized tubercles; prothoracic extension wide (0.16 mm) (Fig. 40), well developed, extending from palpus to antenna; mouthparts (Fig. 40) with mandible well developed, lacinia absent, palpus extending posteriorly to posterolateral margin of labium; labium entire. Cephalothoracic sensilla as follows: anteriomedials (Fig. 31) AM- 1 -T very short seta, AM- 2 -T campaniform sensillum on small tubercle, 2 dorsolateral cephalics sclerites (Fig. 30): DL- 1 -H very short seta, DL- 2 -H campaniform sensillum; one anterolateral (Fig. 31): AL- 1 -T minute seta; clypeal labral sensillum (Figs. 33, 40): CL- 1 -H minute seta; ocular (Figs. 33, 40): O- 2 -H campaniform sensillum; 3 dorsal setae (Fig. 32): D- 1 -T, D- 2 -T peg-like setae, D- 3 -T campaniform sensillum, D- 2 -T, D- 3 -T on closely approximate tubercles, SA- 2 -T present (Fig. 32). Respiratory organ (Figs. 28, 31) short, squat, 5-6 apical closely abutting pores arranged in single row, outer surface with wrinkles, membranous base of respiratory organ short, tracheal tube straight, with annulations to half length; pedicel (Fig. 31) short, wide, P length: 0.0025 mm, RO length 0.075 mm, RO wide 0.04 mm; P/RO 0.033. Metathoracics (Fig. 41): 2 campaniform sensilla (M- 2 -T, M- 3 -T), M- 3 -T near anterior margin. Abdominal segments with 2 spots laterally on segment 2-7, segment 2 (0.55 mm) wider than segment 3 (0.45 mm). First abdominal segment (Fig. 41) with 7 setae: D- 2 -I very short, D- 3 -I absent, D- 4 -I, D- 7 -I campaniform sensilla, D- 5 - I, D- 9 -I minute setae, D- 8 -I peg, L- 1 -I very short seta. Fourth segment (Fig. 42) with sensillar pattern as follows: dorsal tubercles with small base: D- 1 -IV, D- 3 -IV absent, D- 2 -IV very short seta, D- 4 -IV, D- 7 -IV campaniform sensilla, D- 5 -IV, D- 8 -IV, D- 9 -IV minute setae, V- 5 -IV, V- 6 -IV without visible setae, on notorious tubercles; L- 1 -IV absent, L- 2 -IV, L- 3 -IV short, stout setae, on triangular pointed tubercles. Segment 9 (Fig. 36) approximately 1.83 X longer than greatest width, length 0.275 mm, width 0.15 mm; posteriorly directed spicules restricted dorsally to mesal area, terminal processes triangular, these moderately elongated, subparallel, pointed; ventral surface of processes spiculated, terminal procceses length 0.125 mm, width 0.05 mm, D- 5 -IX, D- 6 -IX campaniform sensilla (Fig. 36), genital lobe moderately long and globose, extending under posterior margin. Female pupa (Figs. 35, 37). Similar to male with usual sexual differences: CTL 0.90 mm. First abdominal segment (Fig. 35) with setae: D- 2 -I minute seta, D- 7 -I and L- 1 -I not in position to describe, D- 5 -I very short seta, D- 9 -I minute seta on flattened tubercle, D- 8 -I very short seta. Segment 9 (Fig. 37) length 0.325 mm, width 0.175 mm; terminal processes length 0.125 mm, width 0.05 mm. Distribution. Brazil (Mato Grosso), Argentina (Misiones). Taxonomic discussion. Parabezzia brasiliensis is one of the 25 species inhabiting the Neotropical region. Of these, only are known the pupae of P. alexanderi Wirth and P. balseiroi Spinelli & Grogan. Fourteen species, including P. brasiliensis, are known only from female adults. There are two quite different types of pupae in Parabezzia. One has number of rounded tubercles, the other called alexanderi group, has sharp tubercles and abdominal sternites with membranous discs (Borkent, 2014). Parabezzia brasiliensis perfectly fits in the alexanderi group and is very similar to P. b al s ei roi, but in the latter species the DAW/ DAL ratio is lower (2.26 for male, 3.60 for female), the DA- 1 -H is a minute seta on well developed tubercle, and the respiratory organ bears 10���12 apical opening pores. The adult male of P. brasiliensis is easily distinguished from their congeners inhabiting the Americas by the obliterated radial cell and by the costal fringe limited to 5 setae. The aedeagus is very similar to the one illustrated by Grogan & Wirth (1977, page 73) for the Nearctic species P. inermis (Coquillett), but in the latter the radial cell is open, the costal fringe is complete and the parameres are apparently absent. Pupae of this specie was collected associated with pupae of Bezzia blantoni Spinelli & Wirth and and Bezzia brevicornis (Kieffer). Specimens examined. Argentina, Misiones Prov., Posadas, Miguel Lan��s, ��rea de Recursos Ambientales El Zaim��n, 27 �� 26 ' 11.6 '' S, 55 �� 53 ' 48.7 '' W, 28 -III- 2014, M. Ayala, 1 male, 1 female (with pupal exuviae)., Published as part of Ayala, Mahia M., Spinelli, Gustavo R., Funes, Amparo & Ronderos, Mar��a M., 2015, Additional notes on biting midges from the subtropical forest of northeastern Argentina (Diptera: Ceratopogonidae), pp. 79-90 in Zootaxa 3941 (1) on pages 85-89, DOI: 10.11646/zootaxa.3941.1.3, http://zenodo.org/record/288228, {"references":["Spinelli, G. R. & Grogan, W. L. (1987) A revision of the Neotropical species of Parabezzia (Diptera: Ceratopogonidae). Biologia Acuatica, 11, 1 - 45.","Borkent, A. & Wirth, W. W. (1997) World species of biting midges (Diptera: Ceratopogonidae). Bulletin of the American Museum of Natural History, 233, 1 - 257.","Borkent, A. & Spinelli, G. R. (2000) Catalog of the New World biting midges south of the United States of America (Diptera: Ceratopogonidae). Contributions on Entomology, International, 4, 1 - 107.","Borkent, A. & Spinelli, G. R. (2007) Neotropical Ceratopogonidae (Diptera: Insecta). In: Adis, J., Arias, J. R., Rueda Delgado, G. & Wantzen, K. M. (Eds.), Aquatic Biodiversity in Latin America (ABLA). Vol. 4. Pensoft, Sofia-Moscow, 198 pp.","Borkent, A. (2015) World species of biting midges (Diptera: Ceratopogonidae). 241 pp. Last update 1 February 2015. Available from: http: // wwx. inhs. illinois. edu / files / 1114 / 2384 / 5200 / CeratopogonidaeCatalog. pdf (accessed 4 March 2015)","Borkent, A. (2014) The pupae of the biting midges of the World (Diptera: Ceratopogonidae), with a generic key and analysis of the phylogenetic relationships between genera. Zootaxa, 3879 (1), 1 - 327. http: // dx. doi. org / 10.11646 / zootaxa. 3879.1.1","Grogan, W. L. & Wirth, W. W. (1977) A revision of the Nearctic species of Parabezzia Malloch (Diptera: Ceratopogonidae). Journal of the Kansas Entomological Society, 50, 49 - 83"]}

Bezzia blantoni Spinelli & Wirth Bezzia blantoni Spinelli & Wirth, 1989: 771 (male, female, pupa; distribution); Spinelli & Wirth, 1993: 63 (in list, Argentina); Borkent & Wirth, 1997: 125 (in World catalogue); Borkent & Spinelli, 2000: 60 (in catalogue south of USA); Borkent & Spinelli, 2007: 93 (in Neotropical catalogue); Borkent, 2015: 158 (in online World catalogue); Ronderos & Spinelli, 2009: 47 (redescription of pupa). Distribution. Belize to Costa Rica, Puerto Rico, Argentina (Misiones, Corrientes, Buenos Aires). New record. Argentina, Misiones Prov., Posadas, Miguel Lan��s, ��rea de Recursos Ambientales El Zaim��n, 27 �� 26 ' 11.6 '' S, 55 �� 53 ' 48.7 '' W, 28 -III- 2014, M. Ayala, 4 males, 2 females (with pupal exuviae)., Published as part of Ayala, Mahia M., Spinelli, Gustavo R., Funes, Amparo & Ronderos, Mar��a M., 2015, Additional notes on biting midges from the subtropical forest of northeastern Argentina (Diptera: Ceratopogonidae), pp. 79-90 in Zootaxa 3941 (1) on page 89, DOI: 10.11646/zootaxa.3941.1.3, http://zenodo.org/record/288228, {"references":["Spinelli, G. R. & Wirth, W. W. (1989) The Neotropical predaceous midges of the genus Bezzia (Diptera: Ceratopogonidae). Part I. The glabra and brevicornis groups. Limnobios, 2, 762 - 778.","Spinelli, G. R. & Wirth, W. W. (1993) Los Ceratopogonidae de la Argentina (Insecta: Diptera). In: Castellanos, Z. A. de (Ed.), Fauna de agua dulce de la Republica Argentina, 38 (Fasc. 3), pp. 121. [La Plata]","Borkent, A. & Wirth, W. W. (1997) World species of biting midges (Diptera: Ceratopogonidae). Bulletin of the American Museum of Natural History, 233, 1 - 257.","Borkent, A. & Spinelli, G. R. (2000) Catalog of the New World biting midges south of the United States of America (Diptera: Ceratopogonidae). Contributions on Entomology, International, 4, 1 - 107.","Borkent, A. & Spinelli, G. R. (2007) Neotropical Ceratopogonidae (Diptera: Insecta). In: Adis, J., Arias, J. R., Rueda Delgado, G. & Wantzen, K. M. (Eds.), Aquatic Biodiversity in Latin America (ABLA). Vol. 4. Pensoft, Sofia-Moscow, 198 pp.","Borkent, A. (2015) World species of biting midges (Diptera: Ceratopogonidae). 241 pp. Last update 1 February 2015. Available from: http: // wwx. inhs. illinois. edu / files / 1114 / 2384 / 5200 / CeratopogonidaeCatalog. pdf (accessed 4 March 2015)","Ronderos, M. M. & Spinelli, G. R. (2009) Description of the immatures of the predaceous midge Bezzia blantoni Spinelli & Wirth (Diptera: Ceratopogonidae). Zootaxa, 2295, 46 - 54."]}

Culicoides guarani Ronderos & Spinelli (Figs. 1���21) Culicoides guarani Ronderos & Spinelli, 1994: 48 (female; Argentina); Borkent & Wirth, 1997: 69 (in World catalogue); Spinelli, 1998: 325 (in list, Argentina); Borkent & Spinelli, 2000: 39 (in catalogue south of USA); Spinelli et al., 2005: 140, 145 (in key; wing photo); Borkent & Spinelli, 2007: 72 (in Neotropical catalogue); Borkent, 2015: 86 (in online World catalogue). Male adult (Figs. 1 ���4, 15��� 16). Head (Figs. 1���2) dark brown. Eyes bare, forming a V-shaped where they contact. Antennae with flagellomeres pale brown, 2���10 fused (Fig. 2); sensilla coeloconica in flagellomeres 1, 11��� 13. Third palpal segment stout, with deep, rounded subapical sensory pit (Figs. 1���2). Thorax dark brown, scutum without definite pattern, only slightly paler areas laterally. Legs dark brown, knees blackish, fore and midfemora with subapical, tibiae with subbasal narrow pale rings; hind tibial comb with 4 spines, second from spur longest. Wing length 1.00 (0.98���1.02, n = 2) mm, width 0.41 (0.40���0.42, n = 2) mm; pattern as in Fig. 3; CR 0.54 (n = 2); macrotrichia sparse on distal half of wing, none in mcu 1 and anal cell; halter brown. Genitalia (Fig. 4): tergite 9 long, tapering, with short, pointed apicolateral processes, distal margin truncate, pair of evident, pilose, median cerci; sternite 9 with narrow, V-shaped, posteromedial excavation. Gonocoxite stout, twice longer than greatest breadth, ventral root foot-shaped, posterior heel evident, dorsal root slender; gonostylus as long as gonocoxite, slender, slightly curved to pointed tip. Parameres (Fig. 15) separate, subparallel, each stout, with strongly sclerotized basal knob; stem curved near base, midportion of stem slightly swollen, nearly straight, distal portion slender, bent ventromesad, taperering to fine point with lateral fringe of stout spines, the portion at the base of the fringe slightly expanded. Aedeagus (Fig. 16) Y-shaped; basal arch pointed caudad, extending to 0.75 of total length; basal arms slender, strongly sclerotized, nearly straight; posteromedial projection lightly sclerotized tapered to slender, broad tip, with pair of conspicuous lateral processes. Male pupa (Figs. 5 ���6, 8��� 13). Exuviae general coloration pale brown. Flagellum against lateral margin of face (Fig. 5). Total length 2.20���2.40 (2.31, n= 3) mm. Length of cephalothorax 1.00��� 1.15 (1.07, n= 3) mm, width 0.62 ���0.70 (0.65, n= 3) mm. Dorsal apotome (Fig. 6) without ventral line of weakness, dorsomedial tubercle and central dome; slightly wider than long, distal margin truncate, smooth, except for few small wrinkles; disc surface covered by stout rounded spinules; raised areas present; tubercles of dorsal apotome sensilla well-developed, bearing 2 dorsal apotome sensilla as follows: DA- 1 -H, long, stout seta, DA- 2 -H campaniform sensillum at tubercle base; DAL 0.13���17 (0.12, n= 3) mm; DAW 0.12���0.17 (0.14, n= 3) mm; DAW/ DAL 0.86���1.26 (0.95, n= 3). Cephalothorax rectangular (Fig. 5), surface covered with stout rounded spinules, antenna extending posteriorly to various points along anterior margin of wing; mouthparts (Figs. 11, 17) with mandible, lacinia well developed; palpus extending equal to posterolateral margin of labium; labium separated medially by labrum; apex of labrum rounded. Cephalothoracic sensilla (Figs. 8 ���11, 17, 19) as follows: one anteriomedial AM- 1 -T (Fig. 9) minute seta on small tubercle, 2 dorsolateral cephalic sclerite sensilla (Fig. 10): DL- 1 -H long, thin seta, DL- 2 -H short, stout seta on rounded strong tubercle; 3 anterolaterals (Fig. 8): AL- 1 -T short, thin seta, Al- 2 -T long, thin seta, AL- 3 -T short, stout seta, all sensilla on prominent tubercle; clypeal labrals (Figs: 11, 17): CL- 1 -H campaniform sensillum, CL- 2 - H medium-sized, thin seta; oculars (Figs. 11,17): O- 1 -H, O- 3 -H long, thin setae, O- 2 -H campaniform sensillum Respiratory organ (Figs. 5, 8��� 9) elongated, slender, uniformly brown, medium-sized, circular in cross-section, wider at base, covered with scale-like spinules; 6���7 apical pores, 2���3 lateral; pedicel (Fig. 9) short, stout, P length 0.02���0.03 (0.025, n= 3) mm, RO length 0.195���0.20 (0.197, n= 3) mm, RO wide 0.025���0.03 (0.027, n= 3) mm; P/RO 0.10���0.15 (0.126, n= 3); 5 dorsal setae (Fig. 18): D- 1 -T, D- 2 -T, D- 4 -T long, stout setae, D- 2 -T longer than D- 1 -T and D- 4 -T; D- 3 -T campaniform sensillun, D- 5 -T minute seta, all setae on rounded tubercles, SA- 2 -T present. Metathoracics (Fig. 19): M- 2 -T long, thin seta, M- 3 -T campaniform sensillum, M- 3 -T near anterior margin. Abdominal segments with smooth integument, with scarse, scattered spicules on anterior and posterior portions; each segment without pigmentation pattern. First abdominal segment (Figs. 5, 20) with setae as follows: 3 anteromesal setae, D- 2 -I short, stout seta, D- 3 -I long, thin seta, D- 7 -I campaniform sensillum; 3 posterior setae, D- 4 -I medium-sized, thin seta, D- 8 -I short, thin seta, D- 9 -I minute seta; 3 lateral setae: L- 1 -I long, thin seta, L- 2 -I, L- 3 -I campaniform sensilla. Fourth segment (Figs. 5, 21) with dorsal and ventral tubercles with small base: D- 1 -IV minute seta, D- 2 -IV, D- 3 -IV medium-sized, thin setae, D- 3 -IV longer and thinner than D- 2 -IV; D- 4 -IV, D- 7 -IV without setae, D- 5 -IV, D- 8 -IV minute setae, D- 9 -IV short, curved seta; V- 1 -IV, V- 2 -IV campaniform sensilla, V- 5 - IV short seta, V- 6 -IV long, thin seta, V- 7 -IV minute seta, all on notorious pointed lateral tubercles with wide base: L- 1 -IV short seta, tubercle smaller than others, L- 4 -IV short, stout seta, L- 2 -IV, L- 3 -IV medium-sized, stout setae. Segment 9 (Figs. 5, 13) approximately 1.14 X longer than greatest width, length 0.20���0.205 (0.202, n= 3) mm, width 0.155���0.185 (0.177, n= 3) mm; posteriorly directed spicules restricted dorsally to mesal area, terminal processes triangular, these moderately elongated, subparallel, pointed; ventral surface of processes spiculate, D- 5 - IX, D- 6 -IX campaniform sensilla (Fig. 13), genital lobe moderately long, globose, extending under posterior margin. Female pupa (Figs. 7, 14). Similar to male with usual sexual differences. Total length 2.33���2.40 (2.37, n= 3) mm. Dorsal apotome (Fig. 7) with DAL 0.14���0.16 (0.15, n= 2) mm; DAW 0.125���0.135 (0.13, n= 2) mm, DAW/ DAL 0.82���0.90 (0.85, n= 2). Respiratory organ: RO length 0.19���0.21 (0.20, n= 3) mm, RO width 0.03���0.04 (0.035, n= 3) mm; pedicel length 0.025 (n= 2) mm, P/RO 0.119���0.125 (0.122, n= 2). Cephalothorax length 1.00��� 1.04 (1.02, n= 3) mm, width 0.62��� 0.65 (0.64, n= 3) mm. Segment 9 (Fig. 14) length 0.20���0.215 (0.207, n= 3) mm, width 0.145���0.150 (0.148, n= 3) mm; terminal processes (Fig. 14) length 0.065���0.075 (0.072, n= 3) mm, width 0.015���0.040 (0.025, n= 3) mm. Distribution. Argentina (Misiones). Taxonomic discussion. Culicoides guarani is one of the 14 species included in the Culicoides eublepharus group. All these are known only through adults and seven of them, including C. guarani, just from females. The pupa of this new species is similar to C. debilipalpis Lutz, a species placed in the subgenus Haematomyidium that also breeds in tree holes. However, in the latter species the exuviae is pale yellowish brown, the respiratory organ is yellowish except the distal half brown with its pedicel longer, the posteriorly directed spicules of the caudal segment are restricted to a narrow anterior band and not connected to the mesal inverted Vshaped patch of spicules, and the terminal processes are subparallel with pointed and dark tips. Although the general chaetotaxy is similar, the setae are of cephalothorax and abdomen are thinner and shorter than in C. debilipalpis. The male genitalia of this species is similar to the one illustrated by Wirth & Lee (1967) for C. tamboensis Wirth & Lee, a species inhabiting high altitudes of Colombia except for the sternite 9 with V-shaped and deep caudomedian excavation (very shallow in C. tamboensis) and by the posteromedial projection of the aedeagus without lateral processes. Moreover, the latter species is larger (wing length 1.20 mm), the third palpal segment is shorter, the flagellomere 13 lacks sensilla coeloconica and the halter knob is pale at tip. Culicoides propiipennis Macfie from Mexico to Ecuador, Venezuela and northern Brazil also have very similar genitalia, but the sternite 9 exhibits a very shallow caudomedian excavation, the parameres are convergent and the posteromedial projection of the aedeagus is slender and lacks lateral processes. Specimens examined. Argentina, Misiones Prov., Garup��, Barrio Santa In��s, Estancia Santa In��s, 27 �� 31 ' 40.9 '' S, 55 �� 51 ' 59.4 '' W, 9 -XI- 2013, M. Ayala, 2 males, 3 females (with pupal exuviae)., Published as part of Ayala, Mahia M., Spinelli, Gustavo R., Funes, Amparo & Ronderos, Mar��a M., 2015, Additional notes on biting midges from the subtropical forest of northeastern Argentina (Diptera: Ceratopogonidae), pp. 79-90 in Zootaxa 3941 (1) on pages 80-81, DOI: 10.11646/zootaxa.3941.1.3, http://zenodo.org/record/288228, {"references":["Ronderos, M. M. & Spinelli, G. R. (1994) Dos especies nuevas de Culicoides de la Argentina (Diptera: Ceratopogonide). Revista de la Sociedad Entomologica Argentina, 53, 47 - 50.","Borkent, A. & Wirth, W. W. (1997) World species of biting midges (Diptera: Ceratopogonidae). Bulletin of the American Museum of Natural History, 233, 1 - 257.","Spinelli, G. R. (1998) Ceratopogonidae. In: Morrone, J. J. & Coscaron, S. (Eds.), Biodiversidad de Artropodos argentinos. Una perspectiva biotaxonomica. Ediciones Sur, La Plata, pp. 314 - 326.","Borkent, A. & Spinelli, G. R. (2000) Catalog of the New World biting midges south of the United States of America (Diptera: Ceratopogonidae). Contributions on Entomology, International, 4, 1 - 107.","Spinelli, G. R., Ronderos, M. M., Diaz, F. & Marino, P. I. (2005) The bloodsucking biting midges of Argentina (Diptera: Ceratopogonidae). Memorias do Instituto Oswaldo Cruz, 100, 137 - 150.","Borkent, A. & Spinelli, G. R. (2007) Neotropical Ceratopogonidae (Diptera: Insecta). In: Adis, J., Arias, J. R., Rueda Delgado, G. & Wantzen, K. M. (Eds.), Aquatic Biodiversity in Latin America (ABLA). Vol. 4. Pensoft, Sofia-Moscow, 198 pp.","Borkent, A. (2015) World species of biting midges (Diptera: Ceratopogonidae). 241 pp. Last update 1 February 2015. Available from: http: // wwx. inhs. illinois. edu / files / 1114 / 2384 / 5200 / CeratopogonidaeCatalog. pdf (accessed 4 March 2015)","Wirth, W. W. & Lee, V. H. (1967) New species of Culicoides from high altitudes in the Colombian Andes (Diptera: Ceratopogonidae). Proceedings of the United States National Museum, 124, 1 - 22."]}

Bezzia brevicornis (Kieffer) Bezzia brevicornis Kieffer, 1917: 328 (male, female; Paraguay); Wirth, 1974: 52 (in catalogue south of USA); Spinelli, 1983: 18; Spinelli & Wirth, 1993: 63 (in list, Argentina); Borkent & Wirth, 1997: 125 (in World catalogue); Spinelli, 1998: 326 (in list, Argentina); Borkent & Spinelli, 2000: 60 (in catalogue south to USA); Borkent & Spinelli, 2007: 93 (in Neotropical catalogue); Spinelli et al., 2012: 64 (redescription of pupa); Borkent, 2015: 159 (in online World catalogue). Distribution. Paraguay, Argentina (Misiones, Corrientes, Entre R��os, Buenos Aires, R��o Negro), Uruguay. New record. Argentina, Misiones Prov., Posadas, Miguel Lan��s, ��rea de Recursos Ambientales El Zaim��n, 27 �� 26 ' 11.6 '' S, 55 �� 53 ' 48.7 '' W, 28 -III- 2014, M. Ayala, 1 male (with pupal exuviae)., Published as part of Ayala, Mahia M., Spinelli, Gustavo R., Funes, Amparo & Ronderos, Mar��a M., 2015, Additional notes on biting midges from the subtropical forest of northeastern Argentina (Diptera: Ceratopogonidae), pp. 79-90 in Zootaxa 3941 (1) on page 89, DOI: 10.11646/zootaxa.3941.1.3, http://zenodo.org/record/288228, {"references":["Wirth, W. W. (1974) Family Ceratopogonidae. In: Papavero, N. (Ed.), A catalog of the Diptera of the Americas South of the United States. Fasc. 14. Departamento de Zoologia, Secretaria da Agricultura, Sao Paulo, pp. 89.","Spinelli, G. R. (1983) Notas sobre Ceratopogonidae (Diptera: Nematocera) de la Republica Argentina. III. Nuevos aportes al conocimiento de la tribu Palpomyiini. Revista de la Sociedad Enomologica Argentina, 42, 17 - 24.","Spinelli, G. R. & Wirth, W. W. (1993) Los Ceratopogonidae de la Argentina (Insecta: Diptera). In: Castellanos, Z. A. de (Ed.), Fauna de agua dulce de la Republica Argentina, 38 (Fasc. 3), pp. 121. [La Plata]","Borkent, A. & Wirth, W. W. (1997) World species of biting midges (Diptera: Ceratopogonidae). Bulletin of the American Museum of Natural History, 233, 1 - 257.","Spinelli, G. R. (1998) Ceratopogonidae. In: Morrone, J. J. & Coscaron, S. (Eds.), Biodiversidad de Artropodos argentinos. Una perspectiva biotaxonomica. Ediciones Sur, La Plata, pp. 314 - 326.","Borkent, A. & Spinelli, G. R. (2000) Catalog of the New World biting midges south of the United States of America (Diptera: Ceratopogonidae). Contributions on Entomology, International, 4, 1 - 107.","Borkent, A. & Spinelli, G. R. (2007) Neotropical Ceratopogonidae (Diptera: Insecta). In: Adis, J., Arias, J. R., Rueda Delgado, G. & Wantzen, K. M. (Eds.), Aquatic Biodiversity in Latin America (ABLA). Vol. 4. Pensoft, Sofia-Moscow, 198 pp.","Spinelli, G. R., Ronderos, M. M. & Cazorla, C. G. (2012) A new species of Bezzia Kieffer from Argentina (Diptera: Ceratopogonidae). Zootaxa, 3232, 62 - 68.","Borkent, A. (2015) World species of biting midges (Diptera: Ceratopogonidae). 241 pp. Last update 1 February 2015. Available from: http: // wwx. inhs. illinois. edu / files / 1114 / 2384 / 5200 / CeratopogonidaeCatalog. pdf (accessed 4 March 2015)"]}

Ayala, Mahia M., Spinelli, Gustavo R., Funes, Amparo, Ronderos, María M. (2015): Additional notes on biting midges from the subtropical forest of northeastern Argentina (Diptera: Ceratopogonidae). Zootaxa 3941 (1): 79-90, DOI: http://dx.doi.org/10.11646/zootaxa.3941.1.3