taxonID	type	description	language	source
03D587CCCA7BFF92FF0EF941A28EFE45.taxon	description	(Figs. 5, 8, 15 – 18)	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA7BFF92FF0EF941A28EFE45.taxon	description	Description Adult male (n = 6, except when otherwise stated). Total length 3.3 – 4.6, mm. Total length / wing length 0.93 – 1.15. Coloration. Dark brown to brown. Legs brown. Wings grayish to gray, venation brownish. Head. Eyes hairy, reniform. Temporal setae including 5 – 9 preoculars, 9 – 16 verticals. Clypeus with 6 – 14 setae. Antenna with 13 flagellomeres and little reduced plume of setae (Fig. 5), flagellomere with 4 – 6 setae, maximal length of which 410 µm; terminal flagellomere with 1 subapical setae, 36 – 48 μm long; scopus with 2 setae 48 – 52 μm long. Length of flagellomeres 1 – 13 (in μm) (n = 1): 100, 44, 48, 48, 48, 48, 52, 56, 56, 52,56, 53, 332; AR 0.49 – 0.70. Palpomere length (in μm): 44 – 56, 80 – 116, 104 – 156, 120 – 164, 180 – 232. Palpomere 3 in distal part with a sensilla capitata with diameter 16 – 20 μm. Head width / palpal length 1.04 – 1.29. Antennal length / palpal length 1.37 – 1.88. Thorax. Antepronotum with 5 – 9 ventrolateral setae. Dorsocentrals 13 – 15, prealars 8 – 11. Scutellum with 31 – 32 setae. Wing (Fig. 8). Length 3.7 – 4.0 mm, width 1.2 – 1.3 mm. Anal lobe rounded-angular. Squama with 37 – 39 setae, 112 – 140 μm long. R + R 1 with 37 – 39 setae, R 4 + 5 with 19 – 22 setae. RM / MCu 3.0 – 3.2. Costa extension 80 μm long. Legs. Spur of front tibia 48 – 76 µm long. Spurs of mid tibia 60 – 72 and 52 – 60 µm long. Spurs of hind tibia 80 – 92 and 52 – 60 µm long. Hind tibial comb with 16 – 20 setae. Length (μm) and proportions of leg segments are as in Table 2. Hypopygium (Figs 15 – 18). Tergite IX with 14 – 15 setae from one side and anal point, 184 µm long. Laterosternite IX with 9 – 11 setae. Transverse sternapodeme 164 μm long and 72 μm wide. Gonocoxite 440 µm long; inferior volsella 188 µm long, in the form of a tongue-shaped lobe, covered with short setae. Basimedial setal cluster with 6 – 8 setae, 68 – 100 µm long. Gonostylus 308 µm long, curved, widened in basal third and rounded or roundedtriangular along the inner edge; distal two-thirds narrow, with 7 – 10 short setae along inner edge and with megaseta ca 12 µm long and tooth at apex. HR 1.43. Pupa. Described by Serra-Tosio (1971) and Langton & Visser (2003). Larva. Described by Schmid (1993) and Rossaro & Lencioni (2015).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA7BFF92FF0EF941A28EFE45.taxon	distribution	Distribution. Widely distributed in the Western Palearctic (Ashe & O’Connor 2009).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA7EFF9CFF0EFDD9A21AFB85.taxon	description	(Figs 4, 9, 19 – 22)	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA7EFF9CFF0EFDD9A21AFB85.taxon	materials_examined	Material examined. 1 adult male, RUSSIA: Republic of North Ossetia-Alania, Irafsky District, Caucasus Mountains, Terek River basin, Kumaldon River, 29. XII. 2017, alt. 1228 m a. s. l., 42.9679 N 43.7867 E, leg. D. Palatov; 2 adult males, the same data, except, Alagirsky District, Caucasus Mountains, Terek River basin, Skazdon River, alt. 1943 m a. s. l., 27. VII. 2019, 42.7842 N 43.9037 E, leg. D. Palatov; 1 adult male, the same data except, Karachay-Cherkess Republic, Zelenchuksky District, Sofia River, Kuban’ River basin, 4 km from the tract “ Taulu Glade ”, alt. 1814 m a. s. l., 5. IV. 2023, 43.485125 N 41.243800 E, leg. D. Palatov; 1 adult male, the same data, except, Republic of Dagestan, Dokuzparinsky District, Caucasus Mountains, spring sources of the Selda River, alt. 2712 m a. s. l., 20. VIII. 2024, 41.251603 N, 47.858658 E, leg. D. Palatov. 1 adult male, the same data, except, Kabardino-Balkarian Republic, left tributary of the Shkhelda River, 2.8 km above the mouth, alt. 2220 m a. s. l., 30. VII. 2023, 43.209367 N, 42.649386, leg. D. Palatov; 2 adult males, IRAN: Lorestan Province, Aligudarz County, Zagros Mountains, Dalooni Preserve Park, Dare Daei River, alt. 2244 m a. s. l., 13. VI. 2019, 33.186067 N 49.510117 E, leg. D. Palatov.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA7EFF9CFF0EFDD9A21AFB85.taxon	description	Description Adult male (n = 4, except when otherwise stated). Total length 3.8 – 3.9 mm. Total length / wing length 0.98 – 1.04. Coloration. Dark brown to black. Wings grey, with brownish veins. Head. Eyes hairy, reniform. Temporal setae including 5 – 8 preoculars and 14. Clypeus with 11 setae. Antenna with 13 flagellomeres and reduced plume of setae (Fig. 4); flagellomeres 1 – 12 with 2 – 3 setae on flagellomere, 80 – 104 μm long; terminal flagellomere with 8 setae, 88 – 104 μm long in basal part and with 1 subapical setae, 36 μm long. Length of flagellomeres 1 – 13 (in μm) (n = 1): 112, 52, 52, 52, 44, 40, 40, 48, 52, 44, 48, 52, 224; AR 0.33 – 0.39. Palpomere length (in μm) (n = 1): 44, 108, 148, 144, 192. Palpomere 3 in distal part with sensilla capitata with diameter 20 μm. Head width / palpal length 1.03. Antennal length / palpal length 1.35. Thorax. Antepronotum with 11 – 16 ventrolateral setae. Dorsocentrals 14 – 20, prealars 6 – 11. Scutellum with 36 – 50 setae. Wing (Fig. 9). Length 3.6 – 4.0 mm, width 1.1 mm. Costal extension 92 µm long. Anal lobe rounded-angular. Squama with 17 setae, 48 – 92 μm long. R + R 1 with 30 – 38 setae, R 4 + 5 with 12 – 15. RM / MCu 2.0. Legs. Spur of front tibia 58 – 60 µm long. Spurs of mid tibia 56 – 60 µm and 56 – 64 µm long. Spurs of hind tibia 100 µm and 56 – 64 µm long. Hind tibial comb with 17 – 20 setae. Length (μm) and proportions of leg segments are as in Table 3. Hypopygium (Figs 19 – 22). Tergite IX with 22 – 23 setae, 16 – 24 µm long and with narrow (4 - anal point, 160 µm long. Laterosternite IX with 10 – 11 setae. Transverse sternapodeme 200 µm length and 20 µm width. Gonocoxite 400 µm long; inferior volsella 252 µm long, widened in basal quarter and narrowed finger-shaped in remaining part, inner edge is covered with short and medium-length setae. Basimedial setal cluster with 20 – 26 setae, 108 – 176 µm long. Gonostylus 344 µm long, slightly curved, basally widened, then gradually narrows towards the top, with short megaseta and tooth at apex. HR 1.16. Pupa. Described by Serra-Tosio (1970, 1971) and Langton & Visser (2003). Larva. Described by Mohammadi et al. (2021)	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA7EFF9CFF0EFDD9A21AFB85.taxon	distribution	Distribution. High mountain Palaearctic species. Known from France, Georgia, Spain, Turkey, Iran (Ashe & O’Connor 2009, Mohammadi et al. 2021) and Russia (Caucasus Mountains of Dagestan, Kabardino-Balkarian Republic, Republic of North Ossetia – Alania and Karachay-Cherkess Republic).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA70FF9EFF0EFB99A304FB7E.taxon	description	(Figs 1, 10, 23 – 24)	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA70FF9EFF0EFB99A304FB7E.taxon	materials_examined	Material examined. 3 adult males, RUSSIA: Republic of North Ossetia-Alania, Irafsky District, Caucasus Mountains, Terek River basin, Karaugomidon River, alt. 1476 m a. s. l., 04. I. 2018, 42.8942 N 43.6973, leg. D. Palatov; 2 adult males, the same data, except Alagirsky District, Caucasus Mountains, Terek River basin, Skazdon River, alt. 1943 m a. s. l., 27. VII. 2019, 42.7842 N 43.9037 E, leg. D. Palatov; 2 adult males, Magadan Region, Olsky District, mouth of Ola River, 03. V. 2019, 59.580514 N, 151.272686 E, leg. E. Khamenkova; 1 adult males, Republic of Khakassia, Abakan City, valley of the Abakan River, poplar forest, alt. 245 m a. s. l., 06. IV. 2020, 53.713750 N, 91.522111 E, leg. S. Dragan; 2 adult males, the same data, except Republic of Khakassia, Askizsky District, Askiz River, from surface of snow, 05. XI. 2020, 53.339417 N, 89.888500 E, leg. S. Dragan; 1 adult male, KYRGYZSTAN: Talas Region, Chychkan Кiver Valley, Chychkan River, approximately 10 – 15 km below the pass from the Suusamyr Мalley, alt. 2454 m a. s. l., 6. II. 2016, 42.19895 N, 72.989667 E, leg. D. Palatov; 2 adult males, MONGOLIA: GoviAltay Aymag, Uliastein Gol River at the confluence of Baga Gol River, alt. 1989 m a. s. l., 22. IX. 2019, 45.484600 N 94.277067 E, leg. D. Palatov.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA70FF9EFF0EFB99A304FB7E.taxon	description	Description Adult male (n = 3, except when otherwise stated). Total length 3.7 – 3.9 mm. Total length / wing length 1.02 – 1.22. Coloration. Dark brown to brown. Legs brown. Wings grayish to gray, venation brownish. Head. Eyes hairy, reniform. Temporal setae including 4 preoculars, 11 verticals. Clypeus with 8 setae. Antenna with 13 flagellomeres (Fig. 1) and little reduced plume of setae, 131 – 560 µm long; terminal flagellomere with 1 – 2 subapical setae, 36 – 52 μm long; AR 0.50 – 0.67. Palpomere length (in μm): 48 – 52, 88 – 96, 120 – 140, 124 – 140, 180 – 216. Palpomere 3 in distal part with sensilla capitata with diameter 12 – 16 μm. Head width / palpal length 0.99 – 1.08. Thorax. Antepronotum with 10 – 11 ventrolateral setae. Dorsocentrals 9 – 15, prealars 6 – 10. Scutellum with 15 – 38 setae. Wing. Length 3.2 – 3.64 mm, width 1.0 – 1.12 mm. Anal lobe rounded to rounded-angular. Squama with 22 – 30 setae, 72 – 88 μm long. R + R 1 with 22 – 27 setae, R 4 + 5 with 10 – 11. RM / MCu 2.7. Costa extension 98 μm long. Legs. Spur of front tibia 54 µm long. Spurs of mid tibia 48 µm long. Spurs of hind tibia 84 and 56 µm long. Hind tibial comb with 18 setae. Length (μm) and proportions of leg segments are as in Table 4. Hypopygium (Figs 23 – 24). Tergite IX with 11 – 15 setae from one side and anal point, 176 – 180 µm long. Laterosternite IX with 8 – 13 setae. Transverse sternapodeme 180 – 240 μm long and 52 – 60 μm wide. Gonocoxite 360 µm long; inferior volsella 128 – 140 µm long, wide in basal 3 / 4, narrow and finger-shaped in short distal quarter, with long setae along margin (Fig. 23). Basimedial setal cluster with 12 – 17 setae, 112 – 196 µm long (Fig. 24). Gonostylus 320 µm long, widened in basal half and narrowed in the distal, a long inward margin with pale short setae, apically with megaseta, 8 µm long. HR = 1.13. Pupa. Described by Serra-Tosio (1971) and Langton & Visser (2003). Larva. Described by Schmid (1993).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA70FF9EFF0EFB99A304FB7E.taxon	distribution	Distribution. Palaearctic species. Widely distributed in the Western Palaearctic (Ashe & O’Connor, 2009) and known also in East Siberia (Makarchenko et al. 2022 a) and Magadan Region of the Russian Far East.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA72FF99FF0EFAC1A452FBB7.taxon	description	(Figs 3, 11, 25 – 26)	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA72FF99FF0EFAC1A452FBB7.taxon	materials_examined	Material examined. 1 adult male, NORWAY: Finse, near Blåisen. Flying over small rocky stream, 13. VIII. 1980, leg. E. Willassen.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA72FF99FF0EFAC1A452FBB7.taxon	description	Description Adult male (n = 1). Total length 4.2 mm. Total length / wing length 1.1. Coloration. Dark brown to brown. Legs brown. Wings grayish, venation brownish. Head. Eyes hairy, reniform. Temporal setae including 3 – 4 preoculars, 14 verticals, 6 – 8 postorbitals. Clypeus with 14 setae. Antenna with 13 flagellomeres and reduced plume of setae (Fig. 3); flagellomeres with 1 – 4 setae, maximal length of which 108 µm; terminal flagellomere with 1 seta, 92 μm long in basal part and with 1 subapical setae, 48 μm long. Length of 1 – 13 flagellomeres (μm): 100, 48, 52, 48, 48, 44, 40, 44, 48, 40, 60, 36, 192; AR 0.36. Palpomere length (μm): 68, 108, 164, 132, 168. Palpomere 3 in distal part with sensilla capitata with diameter 24 μm. Head width / palpal length 1.05. Antennal length / palpal length 1.25. Thorax. Antepronotum with 8 ventrolateral setae. Dorsocentrals 17, prealars 12. Scutellum with 20 setae. Wing (Fig. 11). Length 3.76 mm, width 1.04 mm. Anal lobe rounded-angular. Squama with 43 setae, 44 – 80 μm long, in 2 rows. R and R 1 with 33 setae, R 4 + 5 with 20 setae. RM / MCu 2.6 – 3.0. Legs. Spur of front tibia 60 µm long. Spurs of mid tibia 64 and 56 µm long. Spurs of hind tibia 100 and 56 µm long. Hind tibial comb with 17 – 18 setae. Length (μm) and proportions of leg segments are as in Table 5. Hypopygium (Figs 25 – 26). Tergite IX with 18 setae from one side and anal point, 192 µm long. Laterosternite IX with 12 – 13 setae. Transverse sternapodeme 184 μm long and 52 μm width. Gonocoxite 426 µm long; inferior volsella 316 µm long, wider at the base, gradually narrowing towards apex, with short setae along inner edge. Basimedial setal cluster with 4 – 5 setae, 40 – 44 µm long (Fig. 25). Gonostylus 336 µm long, slightly curved, in basal third it is widened, along the inner edge with a small angular protrusion, distal thirds are narrow (Fig. 26). HR 1.27. Pupa. Described by Serra-Tosio 1971 and Langton & Visser 2003. Larva. Described by Stur & Ekrem 2020.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA72FF99FF0EFAC1A452FBB7.taxon	distribution	Distribution. Palaearctic species, known from Bear Island, Faroe Island, Finland, Iceland and Norway (Ashe & O’Connor 2009, Stur & Ekrem 2020).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA75FF9BFF0EFB8FA294FAC2.taxon	description	(Figs 2, 12, 27 – 28)	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA75FF9BFF0EFB8FA294FAC2.taxon	materials_examined	Type material. Holotype, adult male, TAJIKISTAN: Gorno-Badakhshan Autonomous Region, Roshtkalinskiy District, Soktosh River, about 2.3 km to West from Deruzh Stronghold, alt. 3343 m a. s. l., 02. VII. 2016, 37.3786 N 72.3493 E, leg. D. Palatov. Paratypes: 3 adult males, the same data as holotype.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA75FF9BFF0EFB8FA294FAC2.taxon	etymology	Derivatio nominis. The species is named as soktoshensis after the type locality in the Soktosh River in Pamir.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA75FF9BFF0EFB8FA294FAC2.taxon	description	Description Adult male (n = 2, except when otherwise stated). Total length 3.0 – 3.5 mm. Total length / wing length 0.93 – 1.15. Coloration. Dark brown to black. Head, thorax and abdomen dark brown to black. Legs black. Wings greyish, with brownish veins. Head. Eyes hairy, reniform. Temporal setae including 5 frontals, 11 verticals. Clypeus with 10 setae. Antenna with 13 flagellomeres and reduced plume of setae (Fig. 2); number and length of these setae on 1 – 12 flagellomeres respectively: 1 (68 μm), 3 (112 μm), 3 (128 – 164 μm), 5 (200 μm), 5 (96 – 200 μm), 5 (84 – 96 μm), 5 (90 – 200 μm), 5 (120 – 160 μm), 5 (100 – 200 μm), 5 (160 – 200 μm), 5 (96 – 164 μm), 5 (100 – 200 μm); terminal flagellomere with 9 setae, 88 – 112 μm long in basal part and with 1 subapical setae, 32 – 40 μm long. Length of 1 – 13 flagellomeres (μm): 84 – 92, 48, 48 – 52, 52 – 60, 52, 52, 52 – 56, 52 – 60, 48, 52 – 56, 52 – 56, 52 – 56, 236 – 272; AR 0.37 – 0.40. Palpomere length (μm): 44, 92, 148, 156, 208. Palpomere 3 in distal part with sensilla capitata with diameter 20 μm. Head width / palpal length 1.04. Antennal length / palpal length 1.38. Thorax. Antepronotum with 4 – 6 ventrolateral setae, 44 – 52 μm long. Dorsocentrals 9 – 11, 56 – 72 μm long; prealars 5 – 7, 48 – 60 μm long. Scutellum with ca 30 setae. Wing (Fig. 12). Length 3.0 – 3.2 mm, width 0.92 – 0.96 mm. Costal extension 49 – 66 µm long. Anal lobe rounded-angular. Squama with 20 – 23 setae, 104 – 124 μm long. R and R 1 with 33 setae, R 4 + 5 with 13 setae. RM / MCu 2.6. Legs. Spur of front tibia 60 – 68 µm long. Spurs of mid tibia 52 – 56 µm and 40 – 48 µm long. Spurs of hind tibia 84 – 88 µm and 48 µm long. Hind tibial comb with 17 – 19 setae. Length (μm) and proportions of leg segments are as in Table 6. Hypopygium (Figs 27 – 28). Tergite IX with 16 – 19 setae, 80 – 100 µm long and with narrow naked anal point, 80 – 88 µm long. Laterosternite IX with 8 – 10 setae, 88 – 100 µm long. Transverse sternapodeme 124 µm long, 52 µm wide. Gonocoxite 476 µm long; inferior volsellae 200 µm long, expanded basally and finger-shaped distally, with numerous medium-length setae along the inner edge; basimedial setal cluster with 26 – 28 setae, 188 – 200 µm long. Gonostylus 312 µm long, slightly curved, widened in basal two-thirds and narrow in distal third, megaseta 8 μm long, next to it there is tooth. HR 1.53. Pupa and larva unknown.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA75FF9BFF0EFB8FA294FAC2.taxon	diagnosis	Diagnosis. Total length 3.0 – 3.5 mm, wing length 3.0 – 3.2 mm. Eyes hairy, reniform. Clypeus with 10 setae. Antenna with 13 flagellomeres and reduced plume of setae (Fig. 2); AR 0.37 – 0.40. Head width / palpal length 1.04. Antennal length / palpal length 1.38. Anal lobe rounded-angular. Dorsocentrals of mesonotum 9 – 11, prealars 5 – 7, scutellars ca 30. Squama with 20 – 23 setae. Hind tibial comb with 17 – 19 setae. Tergite IX with 16 – 19 setae, 80 – 100 µm long and with narrow naked anal point, 80 – 88 µm long. Transverse sternapodeme 124 µm long, 52 µm wide. Inferior volsella 200 µm long, expanded basally and finger-shaped distally, with numerous medium-length setae along the inner edge; basimedial setal cluster with 26 – 28 setae, 188 – 200 µm long. Gonostylus slightly curved, widened in basal two-thirds and narrow in distal third, megaseta 8 μm long, next to it there is tooth. HR 1.53.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA75FF9BFF0EFB8FA294FAC2.taxon	biology_ecology	Ecology. Adult males were collected from the Soktosh River, which flows through a shallow, semi-desert mountainous valley at an altitude of 3343 m above sea level. The width of the river is 3.5 – 4 m, the substrate consists of stones, boulders, with scattered pebbles and sand. At the time of collection in July, the flow rate of the river was 0.3 – 1 m / s, and the water temperature 7 ° C.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA75FF9BFF0EFB8FA294FAC2.taxon	distribution	Distribution. Known only from the type locality in the Pamir Mountains (Figs 35 – 36).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA77FF9AFF0EFA5DA34AF99D.taxon	description	(Figs 7, 13, 29 – 30)	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA77FF9AFF0EFA5DA34AF99D.taxon	materials_examined	Material examined. 5 adult males, RUSSIA: Republic of Dagestan, Tlyaratinsky District, Caucasus Mountains, Sulak River basin, Dzhurmut River, alt. 1775 m a. s. l., 10. VIII. 2021, 41.9727 N 46.5068 E, leg. D. Palatov; 1 adult male, same data except Kabardino-Balkarian Republic, Elbrussky District, The Adyl-Su River, Terek River basin, opposite the Dzhan-Tugan mountain hotel, 06. VIII. 2023, 43.217675 N 42.691864 E, leg. D. Palatov.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA77FF9AFF0EFA5DA34AF99D.taxon	description	Description Adult male (n = 2, except when otherwise stated). Total length 3.1 – 3.3 mm. Total length / wing length 1.11. Coloration. Dark brown. Head, thorax, abdomen and legs dark brown. Wings greyish, with brownish veins. Head. Eyes hairy, reniform. Temporal setae including 4 – 6 preoculars, 8 – 12 verticals. Clypeus with 8 – 10 setae. Antenna with 8 flagellomeres and reduced plume of setae (Fig. 7); number and length of these setae on 1 – 7 flagellomeres respectively: 1 (68 μm), 1 (88 μm), 2 (72 – 108 μm), 3 (60 – 96 μm), 2 (120 μm), 3 (80 – 108 μm), 3 (88 – 100); terminal flagellomere with 2 setae, 60 – 64 μm long in basal part and with 1 subapical setae, 36 μm long. Length of 1 – 8 flagellomeres (μm): 72 – 76, 40 – 44, 40 – 48, 36 – 40, 36 – 40, 36, 40, 120 – 140; AR 0.37 – 0.47. Palpomere length (μm): 44 – 48, 76 – 84, 108 – 120, 120 – 124, 128 – 192. Palpomere 3 in distal part with sensilla capitata with diameter 16 μm. Head width / palpal length 1.11 – 1.32. Antennal length / palpal length 0.79 – 0.90. Thorax. Antepronotum with 12 ventrolateral setae. Dorsocentrals 9, prealars 5 – 7. Scutellum with 20 – 26 setae, 172 µm long. Wing (Fig. 13). Length 2.8 – 3.0 mm, width 0.92 – 0.96 mm. Costal extension 49 – 60 µm long. Anal lobe rounded-angular. Squama with 24 – 25 setae, 131 – 361 μm long. R and R 1 with 30 – 31 setae, R 4 + 5 with 17 – 24. RM / MCu 3.3. Legs. Spur of front tibia 44 – 48 µm long. Spurs of mid tibia 40 – 44 µm and 40 – 52 µm long. Spurs of hind tibia 76 µm and 44 – 48 µm long. Hind tibial comb with 15 – 16 setae. Length (μm) and proportions of leg segments are as in Table 7. Hypopygium (Figs 29 – 30). Tergite IX with 20 – 22 short setae, and anal point, 124 – 148 µm long. Laterosternite IX with 7 – 12 setae. Transverse sternopodeme, 140 – 160 µm long, 28 – 36 µm wide. Gonocoxite 328 – 356 µm long, with 22 – 25 basimedial setae, 160 – 192 µm long; inferior volsella 140 µm long, wider at the base, gradually narrowing towards apex. Gonostylus 252 – 260 µm long, almost crescent-shaped, in basal half it is widened and rounded, in distal half it is finger-shaped, with short setae along the inner edge, and at the apex with short megaseta and tooth. HR 1.26 – 1.41. Pupa and larva. Described by Kownacki & Kownacka (1973).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA77FF9AFF0EFA5DA34AF99D.taxon	distribution	Distribution. According to Ashe & O’Connor (2009), species is widespread in Austria, Azerbaijan, Belgium, Georgia, Italy, Lebanon, Poland, Slovakia, Switzerland, Turkey but we believe that it is reliably known only from Azerbaijan, Georgia, Lebanon, Iran (Kownacki & Kownacka 1973, Willassen & Serra-Tosio 1988, Ghaderi et al. 2024) and from the Caucasus Mountains in Russia (Republic of Dagestan, Kabardino-Balkarian Republic).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA76FF84FF0EF9A1A282F975.taxon	description	(Figs 31 – 32)	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA76FF84FF0EF9A1A282F975.taxon	materials_examined	Material examined. 4 adult males, RUSSIA: Perm Territory, Suksunsky District, Suksun urban locality, mouth of Suksunchik River, 08. IV. 2012, 57.14769 N 57.390170 E, leg. A. Krasheninnikov; 2 adult males, same data except Republic of Dagestan, Tlyaratinsky District, Caucasus Mountains, Sulak River basin, Dzhurmut River, alt. 1775 m a. s. l., 10. VIII. 2021, 41.9727 N 46.5068 E, leg. D. Palatov; 3 adult males, GEORGIA: Samegrelo-Zemo Svaneti, Martvili municipality, Caucasus Mountains, Rioni River basin, Abasha River in the Balda valley, 13. VIII. 2016, 42.4847 N 42.3942 E, leg. D. Palatov; 2 adult males, IRAN: Mazandaran Province, Elburs ridge, under Mount Siahseng, above of Devilat Village, alt. 2792 m a. s. l., 15. VI. 2019, 36.230917 N, 51.842550 E, leg. D. Palatov; 1 adult male, NORWAY, Ekse, Vaksdal, 10 – 16. VIII. 1976, leg. T. Andersen.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA76FF84FF0EF9A1A282F975.taxon	description	Description Adult male (n = 4, except when otherwise stated). Total length 3.4 – 4.2 mm. Total length / wing length 1.10 – 1.26. Coloration. Dark brown. Legs brown. Wings grayish, venation brownish. Head. Eyes hairy, reniform. Temporal setae including 4 – 5 preoculars, 7 – 11 verticals. Clypeus with 8 – 9 setae. Antenna with 13 flagellomeres and reduced plume of setae, maximal length of which 689 µm; terminal flagellomere with 1 subapical setae, 28 – 40 μm long. Length of 1 – 13 flagellomeres (μm) (n = 2): 56 – 84, 32 – 36, 36 – 40, 40 – 44, 44, 44 – 48, 48, 52 – 56, 56 – 60, 56 – 64, 344 – 396; AR 0.56 – 0.69. Palpomere length (μm): 40, 88, 88, 104, 128. Palpomere 3 in distal part with sensilla capitata with diameter 12 μm. Head width / palpal length 1.32. Thorax. Antepronotum with 7 ventrolateral setae. Dorsocentrals 10 – 12, prealars 5 – 8. Scutellum with ca 30 setae. Wing. Length 3.12 – 3.60 mm, width 0.92 – 1.4 mm. Anal lobe rounded-angular. Squama with 28 – 31 setae in 1 – 2 rows. R and R 1 with 27 – 32 setae, R 4 + 5 with 10 – 17. RM / MCu 2.7 – 3. Legs. Spur of front tibia 56 µm long. Spurs of mid tibia 64 and 60 µm long. Spurs of hind tibia 88 and 60 µm long. Hind tibial comb with 12 – 14 setae. Length (μm) and proportions of leg segments are as in Table 8. Hypopygium (Figs 31 – 32). Tergite IX with 17 – 21 setae from one side and anal point, 120 – 152 µm long. Laterosternite IX with 11 – 14 setae. Transverse sternapodeme 120 – 140 μm long and 36 – 52 μm wide. Gonocoxite 336 – 392 µm long; inferior volsella with two branches, 57 – 60 µm long and 168 – 172 µm long. Basimedial setal cluster with 4 – 5 setae 64 – 68 µm long. Gonostylus 249 – 252 µm long, almost crescent-shaped, with short megaseta and tooth. HR = 1.4 – 1.6. Pupa. Described by Langton & Visser (2003). Larva. Described by Rossaro & Lencioni (2015).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA76FF84FF0EF9A1A282F975.taxon	distribution	Distribution. Widely distributed in the Western Palaearctic (Ashe & O’Connor 2009).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA68FF87FF0EF8C9A312FAC7.taxon	description	(Figs 6, 14, 33 – 34)	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA68FF87FF0EF8C9A312FAC7.taxon	materials_examined	Material examined. JAPAN: 1 adult male (holotype), Nagano Prefecture, Hosono, from snow, alt. 600 m above sea level, 17. III. 1935, leg. K. Tsutsui. 15 adult males, 5 pupae, 11 larvae, RUSSIA: Primorye Territory, Khasansk District, Kedrovaya Pad Nature Reserve, Kedrovaya River, 15 – 17. II. 1975, leg. E. Makarchenko; 1 adult male, Ternei District, Sikhote-Alin Nature Reserve, Spornyi Stream (Serebrianka River basin), leg. O. Zorina; 12 adult males, 6 pupae, 14 larvae, Jewish Autonomous Region, Obluchie District, Bidzhan River, (Amur River basin), from snow, 27. III. 2013, 48.640150 N, 131.620283 E, leg. E. Makarchenko; 5 adult males, Khabarovsk Territory, Nanaisky District, Anyuisky National Park, Pihtsa River (tributary of Gassi Lake), Amur River basin, 25. V 2019, leg. N. Yavorskaya; 2 adult males, Magadan Region, Olskyi District, Ola River, 29. IV. 2014, leg. E. Khamenkova, 2 adult males, the same data except 3. V. 2019, leg. E. Khamenkova; 3 adult males, 3 pupae, Sakhalin Island, YuzhnoSakhalinsk City, Bereznjaki River, 17. IV. 2015, leg. E. Zhivogliadova.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA68FF87FF0EF8C9A312FAC7.taxon	description	Description Adult male (n = 7). Total length 4.3 – 6.2 mm. Total length / wing length 1.33 – 1.35. Antenna with 8 flagellomeres and reduced plume of setae (Fig. 1); number and length of these setae on 1 – 7 flagellomeres respectively (n = 2): 2 – 3 (36 – 40 μm), 1 (40 – 42 μm), 3 – 4 (56 – 60 μm), 3 – 4 (48 – 56 μm), 3 – 4 (48 – 56 μm), 2 – 3 (80 – 82 μm), 2 – 3 (80 – 82 μm); terminal flagellomere with 3 – 4 setae, 72 – 80 μm long in basal part and with 1 subapical setae, 20 – 22 μm long. Length of 1 – 8 flagellomeres (μm) (n = 4): 76 – 84, 52 – 56, 60 – 64, 48 – 56, 52 – 56, 42 – 44, 38 – 44, 156 – 164; AR 0.40 – 0.50. Palpomere length (μm): 46 – 48, 55 – 100, 134 – 140, 143 – 152, 212 – 220. Head width / palpal length 1.05 – 1.06. Antennal length / palpal length 0.80 – 0.84. Thorax. Antepronotum with 9 – 11 ventrolateral setae. Dorsocentrals 10 – 13, prealars 6 – 10. Scutellum with 20 – 42 setae. Wing 3.2 – 4.0 mm long. Anal lobe rounded-angular. LR 1 0.54 – 0.62, BV 1 3.48 – 4.04, SV 1 3.0 – 3.48. Hypopygium (Figs 33 – 34). Tergite IX with 12 – 24 setae and anal point, 124 – 164 μm long, ca 40 μm wide, which slender apically, broadening basally, usually does not go beyond top of proctiger or only slightly goes. Laterosternite IX with 10 – 11 setae. Transverse sternapodeme trapezoidal, without antero-lateral projections, 204 – 280 μm long, 44 – 52 μm wide. Gonocoxite 400 – 508 μm long; inferior volsella ca 260 μm long, basal half widened, narrow distal, with setae along inner margin, which are longest in basal part; basimedial setal cluster absent. Gonostylus 280 – 360 μm long, curved, widened and rounded in basal third, narrow in distal two-thirds, with megaseta 32 – 36 μm long. HR 1.40 – 1.43. Pupa and larva. Described by Makarchenko (1985, 2023).	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
03D587CCCA68FF87FF0EF8C9A312FAC7.taxon	distribution	Distribution. East Palaearctic species. The western border of the range is the basin of Baikal Lake.	en	Semenchenko, Alexander A., Palatov, Dmitry M., Makarchenko, Eugenyi A. (2025): A review of the taxonomy, distribution and population genetic analysis of the Diamesa cinerella group (Diptera: Chironomidae: Diamesinae), with a description of D. soktoshensis sp. nov. and DNA barcoding of known species. Zootaxa 5692 (1): 121-147, DOI: 10.11646/zootaxa.5692.1.6, URL: https://doi.org/10.11646/zootaxa.5692.1.6
