Rheocricotopus valgus
| Notice: | This page is derived from the original publication listed below, whose author(s) should always be credited. Further contributors may edit and improve the content of this page and, consequently, need to be credited as well (see page history). Any assessment of factual correctness requires a careful review of the original article as well as of subsequent contributions.
If you are uncertain whether your planned contribution is correct or not, we suggest that you use the associated discussion page instead of editing the page directly. This page should be cited as follows (rationale):
Citation formats to copy and paste
BibTeX: @article{Liu2014ZooKeys388, RIS/ Endnote: TY - JOUR Wikipedia/ Citizendium: <ref name="Liu2014ZooKeys388">{{Citation See also the citation download page at the journal. |
Ordo: Diptera
Familia: Chironomidae
Genus: Rheocricotopus
Name
Rheocricotopus valgus Chaudhuri & Sinharay, 1983 – Wikispecies link – Pensoft Profile
- Rheocricotopus valgus Chaudhuri & Sinharay, 1983: 402.
- Rheocricotopus (Psilocricotopus) valgus Ashe & O’Connor, 2012: 568.
Specimens examined
1♂, Guangdong Province, Fengkai County, Heishiding, 23°30'02"N, 111°55'01"E, 20.iv.1988, sweeping, Wang XH; 1♂, Guangxi Province, Longsheng County, 25°89'26"N, 110°21'21"E, 16.v.1990, sweeping, Wang XH; 1♂, Guangxi Province, Jinxiu County, 24°14'00"N, 110°19'00"E, 1.vi.1990, light trap, Wang XH; 2♂♂, Hubei Province, Hefeng County, 29°91'00"N, 110°03'00"E, 16.vii.1999, light trap, Ji BC; 1♂, Hubei Province, Xianfeng Mountain, 29°70'00"N, 119°14'00"E, 25.vii.1999, sweeping, Ji BC; 1♂, Zhejiang Province, Lishui City, Qingyuan County, Baishanzu, 27°73'23"N, 119°19'06"E, 13.vii.1995, light trap, Ji BC; 4♂♂, Zhejiang Province, Lishui City, Qingyuan County, Baishanzu National Nature Reserve, 27°73'23"N, 119°19'06"E, 24.vii.2012, light trap, Lin XL; 1♂, Zhejiang Province, Wenzhou City, Taishun County, Wuyanling National Nature Reserve, 27°71'15"N, 119°64'64"E, 3.viii.2005, light trap, Ji BC; 1♂, Zhejiang Province, Lishui City, Jingning County, 27°97'67"N, 119°63'12"E, 27.vii.2012, light trap, Lin XL.
Diagnosis
This species can be separated from other members of the group by the following combination of characters: R without seta; tergites I, II and anterior part of tergite V pale brown, tergites IV and VIII brown, anal point with 4–5 setae on each side and 1 seta at the base; gonocoxite with a prominent triangular basal lobe bearing 3–4 setae.
Remarks
The Chinese specimens generally agree with the original description by Chaudhuri and Sinharay (1983)[1], though some measured differences between the Chinese specimens and those of Chaudhuri and Sinharay (1983)[1] are shown in Table 5.
| Chinese specimens | Indian specimens | |
|---|---|---|
| Squama | 5–8, 7 setae | 9 setae (average) |
| HR | 1.98–2.15, 2.08 | 2.20 (average) |
| HV | 2.88–3.20, 3.03 | 3.40 (average) |
Distribution
China (Guangdong, Guangxi, Hubei and Zhejiang Provinces), India.
Taxon Treatment
- Liu, W; Lin, X; Wang, X; 2014: A review of Rheocricotopus (Psilocricotopus) chalybeatus species group from China, with the description of three new species (Diptera, Chironomidae) ZooKeys, 388: 17-34. doi
