identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
03A1A20AFFB4332BC239FCA4FDC4FAEC.text	03A1A20AFFB4332BC239FCA4FDC4FAEC.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus acerbus (Johannsen) Johannsen	<div><p>Rheotanytarsus acerbus (Johannsen)</p><p>Tanytarsus (Rheotanytarsus) acerbus Johannsen 1932: 547 (Fig. 37)</p><p>Rheotanytarsus acerbus (Johannsen) Chaudhuri, Datta &amp; Mazumdar 1994: 151 (Fig. 1), Kyerematen, Andersen &amp; Saether 2000: 236 (Figs. 2 D–G), Wang &amp; Zheng 1993: 91 (Figs. 5–6).</p><p>Material examined. 4 males, CHINA, Taiwan Province, Taipei City, Kuandu, Wetland. 20. X. 1988, Leg. C. J. W. Maa. 2 males, CHINA, Guangdong Province, Fengkai Country, Heishiding Natural Conservation, IV. 19. 1988. Light trap, Leg. X. Wang.</p><p>Rheotanytarsus acerbus (Johannsen) is described in detail by Kyerematen, Andersen &amp; Saether 2000.</p><p>Distribution. The species was described by Johannsen in 1932 based on the specimen collected in Sumatra, Indonesia. The species has a typical oriental distribution, including records from West Bengual in India by Chaudhuri et al. and southern China (Guangdong and Taiwan provinces).</p></div>	https://treatment.plazi.org/id/03A1A20AFFB4332BC239FCA4FDC4FAEC	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFB43329C239FA2BFD2BFC70.text	03A1A20AFFB43329C239FA2BFD2BFC70.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus aphelus	<div><p>Rheotanytarsus aphelus sp. n. (Figs. 1–3)</p><p>Type material. Holotype male (BDN No. 07015), China, Tianjin City, Ji County, Yuqiao Reservoir. X. 17. 1987. Leg. X. Wang, sweep net.</p><p>Etymology. From Latin apheles, smoothness, simple, referring to the smooth superior volsella.</p><p>Diagnosis. The species differs from other members of the acerbus group by having well developed oral projections of the transverse sternapodeme, more numerous acrostichals, and fewer setae anterior to the anal point.</p><p>Male imago (n=1)</p><p>Total length 3.40 mm. Wing length 1.90 mm. Total length / wing length 1.79. Wing length / profemur length 2.02. Coloration brown, eyes black.</p><p>Head. Antenna with 13 flagellomeres. AR 0.97, ultimate flagellomere 528 µm long. Temporal setae consisting of 8 inner, 4 outer verticals and 4 postorbitals. Clypeus with 18 setae. Tentorium 140 µm long, width 30 µm. Palpomere lengths (in µm): 40; 52; 134; 144; 224.</p><p>Wing (Fig. 1). VR 1.42, Cu 840 µm long.</p><p>Thorax. Acrostichals 26; dorsocentrals 9; prealars 1. Scutellum with 8 setae.</p><p>Legs. Spur of front tibia 30 µm. Spurs of middle tibia 40 and 32 µm long, of hind tibia 48 and 44 µm long. Combs of middle leg composed of 18 and 14 free teeth, hind leg of 18 and 16 free teeth. Lengths and proportion of legs (Table 1):</p><p>Hypopygium (Figs. 2–3). Anal tergite bands V type, widely separated medially, extending almost to base of anal point. Tergite IX with 8 setae. Anal point tapering gradually to rounded point. Crests well developed, subparallel. Phallapodeme 70 µm long. Transverse sternapodeme 60 µm long, straight, with pointed oral projections. Gonocoxite 140 µm long. Superior volsella 46µm long, rectangular on left side, oval on right, with 2 inner and 7–8 dorsal setae, 1 long seta on ventral surface near middle. Digitus absent. Inferior volsella 89 µm long. Median volsella (Fig. 3) 66µm long, lamellae on about 35–40 µm long stem. Gonostylus abruptly narrowed in apical 1/2, recurved, 140 µm long. HR 1.00; HV 2.43.</p><p>Distribution. The species is known from Yuqiao Reservoir, a typical mesotrophic water body in Tianjin (Palaearctic China).</p></div>	https://treatment.plazi.org/id/03A1A20AFFB43329C239FA2BFD2BFC70	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFB63329C239FBFAFEBFF9B0.text	03A1A20AFFB63329C239FBFAFEBFF9B0.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus aestuarius (Tokunaga) Tokunaga	<div><p>Rheotanytarsus aestuarius (Tokunaga)</p><p>Tanytarsus (Rheotanytarsus) aestuarius Tokunaga 1938: 360 (Fig. 31)</p><p>Rheotanytarsus tumiclus Chaudhuri et al 1994: 153 (Figs. 2–3)</p><p>Rheotanytarsus aestuarius (Tokunaga) Kyerematen, Andersen &amp; Saether 2000: 229 (Figs. 1 A–D), Sasa &amp; Kikuchi 1986: 26 (Fig. 3 J), Sasa &amp; Suzuki 1991: 98, Sasa, Kitami &amp; Suzuki 2001: 14, Wang &amp; Zheng 1993: 90 (Fig. 4).</p><p>Material examined. 1 male (BDN No. 01080), China, Tianjin City, Ji County, Yuqiao Reservoir. V. 10. 1987. Leg. X. Wang, sweep net.</p><p>Diagnosis. This species is described in detail by Kyerematen, Andersen &amp; Saether 2000.</p><p>Distribution. The species is known from Japan and India, and now it is recorded from China, Tianjin, Yuqiao Reservoir, a typical mesotrophic water body in Tianjin (Palaearctic China).</p></div>	https://treatment.plazi.org/id/03A1A20AFFB63329C239FBFAFEBFF9B0	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFB1332EC239FECCFE71F9B8.text	03A1A20AFFB1332EC239FECCFE71F9B8.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus bullus	<div><p>Rheotanytarsus bullus sp. n. (Figs. 4–5)</p><p>Type material. Holotype male (BDN No. 1265), China, Guangdong Province, Fengkai Country, Heishiding Natural Conservation. IV. 20. 1988. Leg. X. Wang, light trap.</p><p>Etymology. From Latin bulla, bubble, refering to the bubble­shaped apical lamellae of the median volsella.</p><p>Diagnosis. The species can be separated from other species of the aquilus group except R. kuantanensis by its pale colour. From R. kuantanensis, it differs in having a more bulbous apical lamella of the median volsella and an AR of 0.36 as opposed to 0.22–0.24.</p><p>Male imago (n=1)</p><p>Total length 1.56 mm. Wing length 1.04 mm. Total length / wing length 1.50. Wing length / profemur length 2.08. Coloration pale, eyes black.</p><p>Head. Antenna with 12 flagellomeres, AR 0.36, ultimate flagellomere 144 µm long.</p><p>Wing (Fig. 4). VR 1.75, Cu length 504 µm.</p><p>Thorax. Acrostichals 11; dorsocentrals 9; prealars 1. Scutellars 4.</p><p>Legs. Spur of front tibia 15 µm. Spurs of middle tibia 25 and 22 µm long, of hind tibia 30 and 26 µm long. Combs of middle leg composed of 11 and 9 free teeth, hind leg of 15 and 12 free teeth (Table 2):</p><p>Hypopygium (Fig. 5). Anal tergite bands of V type. Tergite IX with 10 setae, two parallel crests on dorsal middle. Anal point 26 µm long. Crests well developed, basally open, Y type. Phallapodeme 50 µm long. Transverse sternapodeme 32 µm long, straight, with oral projections. Gonocoxite 70 µm long. Superior volsella 26 µm long, oval, with 2 inner and 3–4 dorsal setae. Inferior volsella 40 µm long. Median volsella with 7–8 lamellae and one large apical bulbous lamella. Gonostylus club shaped, 54 µm long. HR 1.30; HV 2.89.</p><p>Distribution. The species is known from Guangdong province in southern China (Oriental Region).</p></div>	https://treatment.plazi.org/id/03A1A20AFFB1332EC239FECCFE71F9B8	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFB1332CC239F968FAD0FBF8.text	03A1A20AFFB1332CC239F968FAD0FBF8.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus polychaetus	<div><p>Rheotanytarsus polychaetus sp. n. (Figs. 6–7)</p><p>Type material. Holotype male (BDN No. 08117), China: Xizang Autonomic Region, Chayu County. 8. VI. 1988, coll. X Wang.</p><p>Etymology. From Greek polys, many and chaite, hair, referring to more dorsocentrals and median volsella lamellae and the setae on tergite IX.</p><p>Diagnosis. The species belongs in the aquilus group. It differs from other members of the group except, R. kuantanensis, by having 12 flagellomeres combined with a non­spatulate anal point. It differs from R. kuantanensis by having a significant higher number of setae on the thorax and tergite IX and more lamellae on the median volsella.</p><p>Male imago (n=1)</p><p>Total length 2.28 mm. Wing length 1.40 mm. Total length / wing length 1.63. Wing length / profemur length 2.00. Coloration pale, eyes black.</p><p>Head. Antenna with 12 flagellomeres. Ultimate flagellomere 120 µm long. AR 0.21. Temporal setae consisting of 5 inner verticals and 3 outer verticals, postorbitals not measurable. Clypeus with 16 setae. Tentorium 100 µm long, width 24 µm. Palpomere lengths (in µm): 40; 36; 96; 110; 190.</p><p>Wing (Fig. 6). VR 1.47 and Cu length 624 µm.</p><p>Thorax. Acrostichals 12; dorsocentrals 13; prealars 1. Scutellum with 10 setae. Legs. Spur of front tibia 20 µm. Spurs of middle tibia 42 and 28 µm long, of hind tibia 48 and 46 µm long. Combs of middle leg composed of 20 and 10 free teeth, hind leg of 20 and 18 free teeth (Table 3):</p><p>fe ti ta1 ta2 ta3 ta4 ta5 LR P1 700 376 ­ ­ ­ ­ ­ ­</p><p>P2 700 560 ­ ­ ­ ­ ­ ­</p><p>P3 760 660 450 280 230 120 70 0.68</p><p>Hypopygium (Fig. 7). Anal tergite bands nearly horizontal, separated medially. Tergite IX with 22 dorsal setae. Anal point 30 µm long. Crests well developed, basally open, Yshaped. Phallapodeme 60 µm long. Transverse sternapodeme 42 µm long, straight, with oral projections. Gonocoxite 120 µm long. Superior volsella 32 µm long, bulbous, with 4­ 5 dorsal in addition to 2 inner marginal setae. Inferior volsella 70 µm long. Median volsella 55 µm long, markedly curved with lamellae setae fused into plate. Gonostylus gradually tapered to rounded apex, 110 µm long. HR 1.09; HV 2.07.</p><p>Distribution. The species is known in the Chayu Country, Xizang (Oriental China).</p></div>	https://treatment.plazi.org/id/03A1A20AFFB1332CC239F968FAD0FBF8	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFB3332CC239FB67FE61F96B.text	03A1A20AFFB3332CC239FB67FE61F96B.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus tamatertius Sasa	<div><p>Rheotanytarsus tamatertius Sasa</p><p>Rheotanytarsus tamatertius Sasa 1980: 14 Figs. 7–9</p><p>Material examined. 1 male (BDN No. 20662), Fujian Province, Jianning Country. IX. 26. 2002. Leg. Zh Liu, Light trapped. 1 male (BDN No. 20804), Fujian Province, Nanping City, Maodi Country, Mangdangshan. IX. 23. 2002. Leg. Zh Liu. Light trapped.</p><p>Diagnosis. The species is described in detail by Sasa (1980).</p><p>Distribution. The species is known from Tama River of Japan (Palaearctic) and Fujian province in southern China (Oriental).</p><p>Remarks. The body size and AR of the specimen from China (wing length 1.44–1.52 mm, AR 0.77–0.78) is slightly larger than that from Japan (wing length 1.18–1.26 mm, AR 0.23–0.53).</p></div>	https://treatment.plazi.org/id/03A1A20AFFB3332CC239FB67FE61F96B	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFB2332DC239FECBFB73F8E8.text	03A1A20AFFB2332DC239FECBFB73F8E8.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus liuae	<div><p>Rheotanytarsus liuae sp. n. (Figs. 8–9)</p><p>Type material Holotype male (BDN No. 20408), China, Fujian Province, Yongtai County, 17. IX. 2002. Leg. Zh Liu, light trapped.</p><p>Etymology. Named in honour of Ms. Zh. Liu who collected the type material.</p><p>Diagnosis. The species is characterized by the straight shoulders on tergite IX adjacent to the anal point base and the lack of plates on the median volsellae, a combination found only in R. tobaseptidecimus Kikuchi &amp; Sasa of the globosus group. It differs from R. tobasepticecimus by having an H­shaped tergite band, where they are of the Y type in R. tobaseptidecimus .</p><p>Male imago (n=1)</p><p>Total length 2.10 mm. Wing length 1.14 mm. Total length / wing length 1.84. Wing length / length of profemur 1.74. Ground coloration pale, thorax with brown vittae, legs yellowish with apical 1/5 of femur brown and abdomen with brown metanotum.</p><p>Head. Antenna with 13 flagellomeres. AR 0.75, ultimate flagellomere 328 µm long. Temporal setae 9, including 5 inner verticals, 3 outer verticals and 1 postorbital. Clypeus with 16 setae. Tentorium 100 µm long, 25 µm wide. Palpomere lengths (in µm): 30; 30; 86; 94; 154.</p><p>Thorax. Acrostichals 11; dorsocentrals 8; prealars 1; scutellars 4.</p><p>Wing (Fig. 8). RM with 1 setae. VR 1.50, Cu length 560 µm.</p><p>Legs. Coloration yellowish and femur with brown apex. Front tibia spur 22 µm. Spur of middle tibia 28 and 28 µm and hind tibia 34 and 32 µm long. The combs of middle leg composed of 12 and 11 free teeth, hind leg of 16 and 12 free teeth (Table 4):</p><p>fe ti ta1 ta2 ta3 ta4 ta5 LR P1 656 340 660 360 280 200 88 1.94 P2 620 450 250 136 100 70 50 0.56 P3 690 576 376 230 184 120 70 0.65</p><p>Hypopygium (Fig. 9). Anal tergite bands of H type. Posterior margin of tergite IX lateral of anal point straight and tergite IX with 7 dorsal setae. Anal point 27 µm long, parallel­sided and slightly dilated apically. Crests well developed, basally rounded and fused near apex, no setae between or basal to crests. Phallapodeme 70 µm long. Transverse sternapodeme 50 µm long. Gonocoxite 100 µm long. Superior volsella 36 µm long, elongate ovoid. Inferior volsella 64 µm long. Median volsella 50 µm long, with distal setae not fused into plates. Gonostylus 90 µm long. HR 1.11; HV 2.33.</p><p>Distribution. The species is known from Fujian Province (Oriental China).</p></div>	https://treatment.plazi.org/id/03A1A20AFFB2332DC239FECBFB73F8E8	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFBD3322C239FCD3FD5EFA21.text	03A1A20AFFBD3322C239FCD3FD5EFA21.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus muscicola Thienemann	<div><p>Rheotanytarsus muscicola Thienemann</p><p>Rheotanytarsus muscicola Thienemann 1929: 114, Lehman 1970: 362 (Figs. 11–13), Reiss 1971: 208, Cranston 1974: 94, Albu 1980: 284 (Fig. 191), Wang and Zheng 1993: 90 (Fig. 3).</p><p>Material examined. 1 male (BDN No. 08295), China, Shanxi Province, Feng Country, Qin Mountain, 1300m. 27. VII. 1994, Leg. W Bu. 1 male (BDN No. 03664), Fujian Province, Shanghang Country, Buyun Mountain. 6. V. 1993, Leg X Wang. 1 male (BDN No. 10784), Yunnan Province, Hutiaoxia. 26. V. 1996, Leg. Du. 1 male (BDN No. 01081), Shandong Province, Mouping Country, Nan Village. 28. VIII. 1988. Leg. X Wang. 1 male (BDN No. 09338), Yunnan Province, Huaze Country, Xin Village, Chahe. V. 30. 1996. 1 male (BDN No. 20229): M: China, Guangdong Province, Fengkai Country, Heishiding natural reservation. IV. 20. 1988.</p><p>Distribution. The species has a wide distribution in Europe, North Africa, and Canada (Holarctic Region). In China, it is distributed in Shandong, Shanxi (Palaearctic Region) and Fujian, Sichuan, Yunnan, Guangdong Provinces (Oriental Region). Our records are the first for the Oriental Region.</p></div>	https://treatment.plazi.org/id/03A1A20AFFBD3322C239FCD3FD5EFA21	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFBD3322C239FECCFAD3FD3E.text	03A1A20AFFBD3322C239FECCFAD3FD3E.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus tamaquartus Sasa	<div><p>Rheotanytarsus tamaquartus Sasa</p><p>Sasa 1980: 16 (Fig. 11), Wang &amp; Zheng 1993: 89 (Figs. 1–2), Kyerematen, Andersen &amp; Saether 2000: 238 (Figs 3 A–D)</p><p>Rheotanytarsus tamaquartus Sasa is described in detail by Wang &amp; Zheng (1993).</p><p>Diagnostic characters. This species of the guineensis group is characterized by having the gonostylus abruptly tapered in the apical 1/5, anal point slender, parallel­sided and with rounded apex, no anal crests, and median volsella with a large plate and overreaching the superior volsella.</p><p>Distribution. The species is known from Japan and Guangdong Province of China.</p></div>	https://treatment.plazi.org/id/03A1A20AFFBD3322C239FECCFAD3FD3E	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFBD3320C239F9F1FEB1FAFA.text	03A1A20AFFBD3320C239F9F1FEB1FAFA.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus quadratus	<div><p>Rheotanytarsus quadratus sp. n. (Figs. 10–11)</p><p>Type material. Holotype male (BDN No. 20805), China, Fujian Province, Nanping City, Maodi Country, Mangdangshan. IX. 23. 2002. Leg. Zh Liu. 1 paratype male (BDN No. 20395), China, Fujian Province, Yongtai Country, IX. 17. 2002. Leg. Zh Liu, light trapped.</p><p>Etymology. From Latin quadratus, referring to the rectangular superior volsella, which is unusual in the genus.</p><p>Diagnosis. The species belongs to the muscicola group (Saether &amp; Kyerematen 2001). [Kyerematen &amp; Andersen (2002) used the phaselus group, which was an earlier division into species groups and is now included in the muscicola group.] The species is similar to R. subtilis Kyerematen &amp; Andersen from Costa Rica and R. ramirezi Kyerematen &amp; Andersen from Mexico, but differs from both by having a higher antennal ratio (0.7–0.8, as opposed to about 0.4), and having anal tergite bands of the V type as opposed to the H type.</p><p>Male imago (n=2)</p><p>Total length 2.20–2.40 mm. Wing length 1.16–1.76 mm. Total length / wing length 1.76–1.90. Wing length / profemur length 1.69–1.74. Coloration pale, eyes black. Head. Antenna with 13 flagellomeres. Ultimate flagellomere 328–416 µm long. AR 0.71–0.80. Temporal (n=1) 6 composed of 2 inner, 3 outer and 1 postorbitals. Clypeus with 17 setae. Tentorium 94–100 µm long, width 22 µm. Palpomere lengths (in µm): 32–40; 36; 96; 102–110; 160–190.</p><p>Wing (Fig. 10). VR 1.44–1.52. Cu length 560–632 µm.</p><p>Thorax. Acrostichals 10–16; dorsocentrals 7–10; prealars 1; scutellum with 4–5 setae. Legs. Spur of front tibia 16–24 µm. Spurs of middle tibia 32–36 and 27–29 µm long, and of hind tibia 34–38 and 28–30 µm long. Combs of middle leg composed of 10–12 and 8–10 free teeth, hind leg composed of 13 and 10–12 free teeth (Table 5):</p><p>P1 688–780 296–380 940–980 416–460 P2 640–740 440–528 280–320 120–144 P3 688–780 520–630 416–464 216–260</p><p>Hypopygium (Fig. 11). Anal tergite bands of V type, widely separated medially. Tergite IX with 6–8 setae. Anal point 32–34 µm long, slightly spatulate. Crests well developed, basally open and Y shaped. Phallapodeme 44–60 µm long. Transverse sternapodeme 28– 34 µm long, straight, and with oral projections. Gonocoxite 100–104 µm long. Superior volsella 22–24 µm long, squared, with 4–6 dorsal, 2 marginal setae, and 1 ventral seta. Inferior volsella 64–72 µm long. Median volsella 42–48 µm long, almost all lamellae fused into large plate. Gonostylus abruptly narrowed at apical 1/2 to rounded apex, 80–100 µm long. HR 1.04–1.25; HV 2.40–2.75.</p><p>Distribution. The species is known from Fujian province in southern China (Oriental Region).</p></div>	https://treatment.plazi.org/id/03A1A20AFFBD3320C239F9F1FEB1FAFA	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFBF3321C239FA60FE00FB30.text	03A1A20AFFBF3321C239FA60FE00FB30.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus apiculus	<div><p>Rheotanytarsus apiculus sp. n. (Figs. 12–13)</p><p>Type material. Holotype male (BDN No. 07458), China, Yunnan Province, Jinghong Country. IV. 3. 1987. Leg. H. Zou, sweep net.</p><p>Etymology. From Latin apiculus, point, referring to the spiny anal point, which is unique within the genus.</p><p>Diagnosis. The species differs from other members of the pellucidus group by the long and narrow anal point without crests.</p><p>Male imago (n=1).</p><p>Total length 1.02 mm. Wing length 0.72 mm. Total length / wing length 1.42. Wing length / profemur length 2.06. Ground coloration yellowish, scutum and vittae slightly brown, femur and tibia of foreleg brown in apical 1/5, femur of middle and hind legs brown in apical 1/5, eyes black.</p><p>Head. Antenna with 13 flagellomeres. Ultimate flagellomere 84 µm long. AR 0.24. Temporal setae consisting of 1 inner and 2 outer verticals. Clypeus with 15 setae. Tentorium 54 µm long, width 7 µm. Palpomere lengths (in µm): 20; 15; 20; 42; 60.</p><p>Wing (Fig. 12). VR 1.46, Cu length 336 µm.</p><p>Thorax. Acrostichals 2; dorsocentrals 6; prealars 1. Scutellum with 2 setae.</p><p>Legs. Spur of front tibia 19 µm. Spurs of middle tibia 22 and 12 µm long, of hind tibia 20 and 22 µm long. Combs of middle leg composed of 8 and 8 free teeth, hind composed of 11 and 6 free teeth (Table 6):</p><p>Hypopygium (Fig. 13). Tergite IX without setae. Anal point 26 µm long, and distally very thin, without crests. Phallapodeme 30 µm long. Transverse sternapodeme 26 µm long, straight, with oral projections. Gonocoxite 64 µm long. Superior volsella 20 µm long, subrectangular, with 1 inner and 3 outer margin setae. Inferior volsella 40 µm long. Median volsella 74 µm long, lamellae not fused into plate, extending to apex of gonostylus. Gonostylus tapering gradually to rounded apex, 44 µm long. HR 1.45; HV 2.32.</p><p>Distribution. The present species is known from Yunnan Province of southern China (Oriental Region).</p></div>	https://treatment.plazi.org/id/03A1A20AFFBF3321C239FA60FE00FB30	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFBE3321C239FAE0FB5CF903.text	03A1A20AFFBE3321C239FAE0FB5CF903.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus buculicaudus Kyerematen & Saether	<div><p>Rheotanytarsus buculicaudus Kyerematen &amp; Saether</p><p>Rheotanytarsus buculicaudus Kyerematen &amp; Saether 2000: 43 (Figs. 43–46), Kyerematen, Saether &amp; Andersen 2000: 165 (Figs. 49–52).</p><p>Material examined. 5 males (BDN No. 20401, 20402, 20403, 20404, 20405), China, Fujian Province, Yongtai Country, IX. 17. 2002. Leg. Zh Liu. 1 male (BDN No 20020), China, Fujian Province, Jianning Country. IX. 25. 2002. Leg. Zh Liu Light trap.</p><p>Diagnosis. The species is described in detail by Kyerematen &amp; Saether (2000).</p><p>Remarks. The anal tergite bands are not fused medially in the specimen from China, but fused in Ghanaian specimen (Kyerematen &amp; Saether 2000: Figs. 43–46).</p></div>	https://treatment.plazi.org/id/03A1A20AFFBE3321C239FAE0FB5CF903	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFB93326C239FECBFC5CFCC9.text	03A1A20AFFB93326C239FECBFC5CFCC9.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus pentapodus (Kieffer) Kieffer	<div><p>Rheotanytarsus pentapodus (Kieffer)</p><p>Rheotanytarsus lapidicola Kieffer 1909</p><p>Tanytarsus (Rheotanytarsus) pentapoda Tokunaga 1938: 355 (Fig. 29) Rheotanytarsus pentapoda Lehmann 1970: 362 (Figs. 9–10), Cranston 1974: 94</p><p>Material examined. 1 male, Heilongjiang Province, Jialuopiqi. IIV. 13. 1988. Leg W Bu (BDN No. 1614); 1 male, Heilongjiang Province, Shangzhi Country, Maoershan. VII. 24. 2003. coll. J Li (BDN No 21076).</p><p>Diagnosis. See details of Saether &amp; Kyerematen 2001.</p><p>Distribution. The species is recorded in Europe, Japan, and Heilongjiang Province in northern China, with a typical Palaearctic distribution.</p></div>	https://treatment.plazi.org/id/03A1A20AFFB93326C239FECBFC5CFCC9	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFB93327C239FCD9FD7DFCC9.text	03A1A20AFFB93327C239FCD9FD7DFCC9.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus fundus	<div><p>Rheotanytarsus fundus sp. n. (Figs. 14–16)</p><p>Type material. Holotype male (BDN No. 20226), China, Liaoning Province, Dandong Country, Caohe River. IV. 1993. J. Wang, sweep net.</p><p>Etymology. From Latin fundus, base, bottom, referring to the cluster of small setae on the base of the anal point.</p><p>Diagnosis. The species is distinguished by the tuft of setae on the basal median part of the anal point.</p><p>Male imago (n=1)</p><p>Total length 3.20 mm. Wing length 1.80 mm. Total length / wing length 1.78. Wing length / profemur length 2.14. Coloration dark brown, eyes black.</p><p>Head. Antenna with 13 flagellomeres, AR 0.91 and ultimate flagellomere 488 µm long. Temporal setae including 2 inner, 3 outer verticals and 2 postorbitals. Clypeus with 21 setae. Tentorium out of focus. Palpomere lengths (in µm): 40; 40; 140; 152; 200.</p><p>Wing (Fig. 14). VR 1.41, Cu length 800 µm.</p><p>Thorax. Acrostichals 15; dorsocentrals 7; prealars 1. Scutellum damaged.</p><p>Legs. Spur of front tibia 2 0µm. Spurs of middle tibia 34 µm long and of hind tibia 36 µm long. Combs of middle leg composed of 12 and 12 free teeth, hind leg composed of 18 and 14 free teeth (Table 7):</p><p>fe ti ta1 ta2 ta3 ta4 ta5 LR P1 840 520 928 480 400 304 120 1.78 P2 776 640 376 216 160 104 80 0.59 P3 960 860 592 360 280 180 96 0.69 Hypopygium (Figs. 15, 16). Anal tergite bands of V type, widely separated medially. Tergite IX with 8 setae. Anal point 46 µm long. Setal tuft on base of anal point forms Ushaped structure. Phallapodeme 70 µm long. Transverse sternapodeme 44 µm long, straight, with pointed oral projections. Gonocoxite 140 µm long. Superior volsella 50 µm long, posterior margin hook­like produced; with 2 inner, 5–6 dorsal setae, and 1 long ventromedian seta. Inferior volsella 80 µm long. Lamellae of median volsella fused into plate. Gonostylus tapering gradually to pointed apex, 134 µm long. HR 1.04; HV 2.39.</p><p>Distribution. The species is known from Liaoning province in northern China (Palaearctic Region).</p><p>Remarks. The species is tentatively treated as a species of the pentapoda group. It differs from R. pentapodus by the median volsella not extending beyond the superior volsella, gonostylus tapering gradually to apex, and anal crests not V­shaped. All the other characters fit the pentapoda group.</p></div>	https://treatment.plazi.org/id/03A1A20AFFB93327C239FCD9FD7DFCC9	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFBB3325C239FECCFC80FE81.text	03A1A20AFFBB3325C239FECCFC80FE81.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus brevipalpus	<div><p>Rheotanytarsus brevipalpus sp. n. (Figs. 17–18)</p><p>Type material. Holotype male (BDN No. 20228), China, Ningxia Autonomy Region, Liupan Mountain, Erlong River, 1750m. 7. VIII. 1987, Leg. X. Wang, sweep net.</p><p>Etymology. From Latin brevis, short and palp, referring to the 4th palpomere being shorter than the 3rd, which is unique within the genus.</p><p>Diagnosis. The species can be separated from other members of the trivittatus group by having palpomere 4 shorter than palpomere 3. It is similar to R. nuamea Kyerematen &amp; Andersen and R. scutulatus Kyerematen &amp; Andersen (Kyerematen &amp; Andersen 2002), but has a more gradually tapering gonostylus than both species, lacks the basal lamelliform seta of the median volsella present in R. nuamae, and has an AR of about 0.50 as opposed to 0.25 in R. scutulatus .</p><p>Male imago (n=1)</p><p>Total length 2.84 mm. Wing length 1.90 mm. Total length / wing length 1.49. Wing length / profemur length 2.21. Coloration pale with light brown vittae.</p><p>Head. Antenna with 13 flagellomeres. Ultimate flagellomere 320 µm long. AR 0.50. Temporals 9, including 4 inner verticals, 3 outer verticals and 2 postorbitals. Clypeus with 17 setae. Tentorium 116 µm long, width 36 µm. Palpomere lengths (in µm): 40; 42; 122; 114; 224. Fifth / third palpmere 1.84.</p><p>Wing (Fig. 17). VR 1.51, Cu length 880 µm.</p><p>Thorax. Acrostichals 13; dorsocentrals 8; prealars absent; scutellum with 6 setae.</p><p>Legs. Spur of front tibia 32 µm. Spurs of middle tibia 30 and 30 µm long, of hind tibia 38 and 48 µm long. Combs of middle leg composed of 20 and 12 free teeth, hind leg composed of 20 and 8 free teeth (Table 8):</p><p>Hypopygium (Fig. 18). Anal tergite bands of V type, widely separated medially, extending almost to base of anal point. Tergite IX with 8 setae, 2 between anal crest, base of anal point each side with 3. Anal point 40 µm long. Crests well developed, basally open and V shaped. Phallapodeme 80 µm long. Transverse sternapodeme 40 µm long, straight, with strong oral projections. Gonocoxite 136 µm long. Superior volsella 58 µm long, subtriangular, with 6 dorsal in addition to 2 inner marginal setae, with 1 ventral seta. Inferior volsella 75 µm long. Median volsella 46 µm long, with some lamellae fused into plates without apical points. Gonostylus 124 µm long. HR 1.10; HV 2.29.</p><p>Distribution. The present species is known from Liupan Mountain, Ningxia Autonomy Region in northern China (Palaearctic China).</p></div>	https://treatment.plazi.org/id/03A1A20AFFBB3325C239FECCFC80FE81	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
03A1A20AFFBA333AC239FE16FAF4FD91.text	03A1A20AFFBA333AC239FE16FAF4FD91.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rheotanytarsus	<div><p>Key to males of Rheotanytarsus of China</p><p>1. Antenna with 12 flagellomeres .................................................................................... 2</p><p>­ Antenna with 13 flagellomeres .................................................................................... 3</p><p>2. Apical lamellae of median volsella bulbous (Fig. 5) ............................. R. bullus sp. n.</p><p>­ Apical lamellae of median volsella not bulbous (Fig. 7) ............... R. polychaetus sp. n.</p><p>3. Apex of anal point pointed; tergite IX bare (Fig. 13) ........................... R. apiculus sp. n.</p><p>­ Apex of anal point spatulate, as wide as its basal width, or at least rounded................ 4</p><p>4. Abdomen banded. Posterior margin of tergite IX lateral to anal point straight (Fig. 9). ................................................................................................................... R. liuae sp. n.</p><p>­ Abdomen evenly coloured. Posterior margin of tergite IX forming a triangular base for the anal point ................................................................................................................ 5</p><p>5. Median volsella long, reaching beyond apex of inferior volsella (Kyerematen &amp; Saether 2000: Figs. 43–46) ................................ R. buculicaudus Kyerematen &amp; Saether</p><p>­ Median volsella short, not reaching beyond apex of inferior volsella ......................... 6</p><p>6. Base of anal point with a tuft of setae (Fig. 15) ..................................... R. fundus sp. n.</p><p>­ Base of anal point without setal cluster ........................................................................ 7</p><p>7. Gonostylus tapering gradually to rounded apex ........................................................... 8</p><p>­ Gonostylus abruptly tapered in apical portion and with narrow apex ........................ 10</p><p>8. Superior volsella subtriangular (Fig. 18)....................................... R. brevipalpus sp. n.</p><p>­ Superior volsella oblong .............................................................................................. 9</p><p>9. Lamellae of median volsella fused into plate, anal point without anal crests (Sasa 1980: Fig. 11; Wang &amp; Zheng 1993: Figs. 1–2; Kyerematen, Andersen &amp; Saether 2000: Figs. 3 A–D) .......................................................................... R. tamaquartus Sasa</p><p>­ Lamellae of median volsella not fused into plate, anal point with well developed crests (Tokunaga 1938: Fig. 31; Chaudhuri et al 1994: Figs. 2–3; Kyerematen, Andersen &amp; Saether 2000: Figs. 1 A–D; Sasa &amp; Kikuchi 1986: Fig. 3 J; Wang &amp; Zheng 1993: Fig. 4) ................................................................................................. R. aestuarius (Tokunaga)</p><p>10. Gonostylus recurved at apex ...................................................................................... 11</p><p>­ Gonostylus not recurved at apex ................................................................................ 12</p><p>11. Superior volsella with bluntly rounded apical projection (Johannsen 1932: Fig. 37; Chaudhuri, Datta &amp; Mazumdar 1994: Fig. 1; Kyerematen, Andersen &amp; Saether 2000: Figs. 2 D–G; Wang &amp; Zheng 1993: Figs. 5–6) .......................... R. acerbus (Johannsen)</p><p>­ Superior volsella rounded (Fig. 2) ......................................................... R. aphelus sp. n.</p><p>12. Superior volsella rectangular. Median volsella with almost all lamellae fused into plate (Fig. 11) .................................................................................... R. quadratus sp. n.</p><p>­ Superior volsella subtriangular or bean­shaped. Median volsella with apical foliate</p><p>setae fused into plate and markedly recurved with sickle­shaped apex ..................... 13 13. Superior volsella with posterior margin produced giving a hook­like projection (Lehman 1970: Figs. 11–13; Albu 1980: Fig. 191; Wang and Zheng 1993: Fig. 3) .............. .............................................................................................. R. muscicola Thienemann ­ Superior volsella rectangular and with rounded margin ............................................ 14</p><p>14. Anal point spatulate (Sasa 1980: Fig. 8) .......................................... R. tamatertius Sasa</p><p>­ Anal point narrow at apex (Tokunaga 1938: Fig. 29; Lehmann 1970: Figs. 9–10) ....... ................................................................................................... R. pentapodus (Kieffer)</p></div>	https://treatment.plazi.org/id/03A1A20AFFBA333AC239FE16FAF4FD91	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Wang, Xinhua;Guo, Yuhong	Wang, Xinhua, Guo, Yuhong (2004): A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini). Zootaxa 650: 1-19, DOI: 10.5281/zenodo.158146
