Difference between revisions of "Rhynchopsilopa longicornis"
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Ordo: Diptera
Familia: Ephydridae
Genus: Rhynchopsilopa
Name
Rhynchopsilopa longicornis (Okada) – Wikispecies link – Pensoft Profile
- Lissodrosophila longicornisOkada 1966[1]: 45 [Nepal. Taplejung District, below Sangu; HT ♂, BMNH].
- Rhynchopsilopa longicornis. –Cogan and Wirth 1977[2]: 330 [Oriental catalog; generic combination]. –Mathis and Zatwarnicki 1995[3]: 48 [world catalog].
- Rhynchopsilopa coeiWirth 1968[4]: 41 [Nepal. Taplejung: North of Sangu (5000 ft); HT ♀, BMNH]. –Cogan and Wirth 1977[2]: 330 [synonymy].
Diagnosis
Face shiny black, with blue reflections; palpus yellow; epistoma brownish yellow; arista with 9 dorsal rays. 1 pair of posts dc, sutural dc absent. Forecoxa brown at extreme base, mid and hind coxae brown; forefemur yellow, mid and hind femora dark brown at base; tibiae and tarsomeres 1–4 yellowish, tarsomere 5 dark. Forefemur with pd and pv, about as long as width of forefemur; mid femur with a row of av. Mesonotum and abdomen with short and sparse setulae. Costal vein index 0.50, M vein index 2.2. Male genitalia: epandrium narrow; hypandrium in ventral view hourglass-like, with anterior margin shallowly rounded, in lateral view shallow to nearly flat; postsurstylus tapered toward apex in lateral view; gonite/subepandrial plate slightly thick; phallapodeme with process at middle in lateral view.
Description
Male body length: 1.8–2.0 mm; wing length: 2.1–2.4 mm.
Head shiny black, with blue reflections. Setulae and setae of head black. Lateral vt as long as medial vt; 1 pair of strong oc; 1 pair of proclinate orb. Face shiny black, with blue reflections; palpus yellow, stout at apex; epistoma brownish yellow. Gena with 1 strong seta. Arista with 9 dorsal rays.
Thorax shiny black, with blue reflections; mesonotum with short and sparse setulae. Thoracic setulae and setae black. 1 pair of posts dc, sutural dc absent; 2 rows of weak and short acr; posterior npl as long as anterior npl; anepisternum with 2 strong setae; 1 strong katepisternal seta, weaker than anepisternal seta; 1 weak sa, 1 strong ia seta; scutellum with 2 pairs of sc, apical sc stronger than lateral sc. Forecoxa yellow, with brown extreme base, mid and hind coxae brown; forefemur yellow, mid and hind femora dark brown, with yellow apex; tibiae and tarsomeres 1–4 yellowish, tarsomere 5 dark (Figs 25–27). Forefemur with rows of pd and pv, about as long as width of forefemur; mid femur with a row of av. Costal vein index 0.50, M vein index 2.2. Wing brownish yellow, veins brown. Haltere white.
Abdomen shiny black, with blue reflections. Abdomen with long and numerous setulae. Male genitalia (Figs 28–31): epandrium in lateral view (Fig. 29) very thin, bearing long setae on entire length along posterior margin; cercus in posterior view (Fig. 28) hemispherical; presurstylus greatly reduced; postsurstylus in posterior view (Fig. 28) evenly broad on basal half, thereafter tapered to ventral point, medial surface of ventral half shallowly concave, in lateral view (Fig. 29) more or less evenly tapered and smoothly sinuous from broad base to pointed apex; aedeagus in posterior view (Figs 28, 31) narrowly elongate, more so than postsurstylus, ventral extensions nearly straight; phallapodeme in lateral view (Fig. 29) transversely elongate with long extended, more or less evenly thick keel; subepandrial plate in ventral view (Fig. 30) slightly thick; hypandrium in ventral view (Fig. 30) hourglass-like, with anterior margin shallowly rounded, in lateral view (Fig. 29) shallow to nearly flat.
Female. Body length: 1.9–2.0 mm; wing length: 2.3–2.4 mm. Similar to male. Female ventral receptacle as in Fig. 32.
Specimens examined
1♂, Guangdong: Dapu, Fengxi National Nature Reserve, 29 Jul 2003, Shuwen An (CAU); 4♂♂, 2♀♀, Guangdong: Dapu, Fengxi National Nature Reserve, 28 Jul 2003, Xingyue Liu (CAU); 1♂, Guangdong: Shixing, Chebaling National Nature Reserve, 10 Jul 2003, Xingyue Liu (CAU); 4♂♂, Guangdong: Wuhua, Qimuzhang, 31 Jul 2003, Shuwen An (CAU); 1♂, Guangxi: Luocheng, Jiuwanshanyuxi, 28 Jul 2003, Lili Zhang (CAU); 1♀, Fujian: Huangkeng, Aotou, 2 May 2004, Xingyue Liu (CAU); 2♀♀, Guangdong: Dapuxian, Fengxi National Nature Reserve, 30 Jul 2003, Xingyue Liu (CAU).
Distribution
China (Fujian, Guangdong, Guangxi); Nepal.
Taxon Treatment
- Zhang, J; Yang, D; Mathis, W; 2012: A review of the species of Rhynchopsilopa Hendel from China (Diptera, Ephydridae) ZooKeys, 216: 23-42. doi
Other References
- ↑ Okada T (1966) Diptera from Nepal, Cryptochaetidae, Diastatidae, and Drosophilidae, Bulletin of the British Museum (Natural History), Entomology, supplement, 6: 1–129.
- ↑ 2.0 2.1 Cogan B, Wirth W (1977) Family Ephydridae. In: Delfinado M Hardy D (Eds). A catalogue of the Diptera of the Oriental Region. Volume III. Suborder Cyclorrhapha (excluding Division Aschiza). University Press of Hawaii, Honolulu: 321-339.
- ↑ Mathis W, Zatwarnicki T (1995) A world catalog of the shore flies (Diptera: Ephydridae). Memoirs on Entomology, International 4, vi+423 pp.
- ↑ Wirth W (1968) The genus Rhynchopsilopa Hendel (Diptera: Ephydridae). Annals of the Natal Museum 20: 37-46.
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