Rheotanytarsus tamaquartus Sasa

Wang, Xinhua & Guo, Yuhong, 2004, A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini), Zootaxa 650, pp. 1-19 : 9

Rheotanytarsus tamaquartus Sasa

Sasa 1980: 16 ( Fig. 11 ), Wang & Zheng 1993: 89 ( Figs. 1–2 ), Kyerematen, Andersen & Saether 2000: 238 ( Figs 3 A–D)

Rheotanytarsus tamaquartus Sasa is described in detail by Wang & Zheng (1993).

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.

Distribution. The species is known from Japan and Guangdong Province of China.

Figures

FIGURES 10 – 13. Figs. 10 – 11. Rheotanytarsus quadratus sp. n. Holotype, male imago: 10. Wing, 11. Hypopygium. Figs. 12 – 13. Rheotanytarsus apiculus sp. n. Holotype, male imago: 12. Wing, 13. Hypopygium

FIGURES 1 – 5. Figs. 1 – 3. Rheotanytarsus aphelus sp. n. Holotype, male imago: 1. Wing, 2. Hypopygium, 3. Median volsella. Figs. 4 – 5. Rheotanytarsus bullus sp. n. Holotype, male imago: 4. Wing, 5. Hypopygium