Rhyncomya Robineau-Desvoidy 1830
Creators: name: Kurahashi, Hiromu
name: Kirk-Spriggs, Ashley H.
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Calliphoridae
Rhyncomya

description: Key to species of Rhyncomya Robineau­Desvoidy   
There are at least 10 new species of the genus from Namibia and these shall be described and keyed elsewhere (Kurahashi & Kirk­Spriggs in prep.).  
 1. Proepisternum densely haired.................................................. R. dasyops Bezzi (p. 95)   
­ Proepisternum bare........................................................................................................ 2  
 2. Presutural ac absent or very indistinct.......................................................................... 3   
 ­ Presutural ac distinctly developed................................................................................. 4   
 3. Abdomen wholly metallic green or blue, practically devoid of pruinosity..................... ........................................................................................ R. messoria Villeneuve (p. 98)   
 ­ Abdomen partly yellow or reddish (not recorded from Namibia).................................. ......................................................................................................... R. elegantula ­group   
 4. Abdomen dark, blackish or metallic .............................................. R. buccalis ­group...5   
­ Abdomen wholly or partly yellowish brown................................................................. 6  
 5. Thorax and abdomen metallic green or blue, with white pollinosity of varying density (not recorded from Namibia) ....................................................... R. buccalis Villeneuve   
 ­ Thorax and abdomen metallic dark bronze (not recorded from Namibia)...................... ............................................................................................................. R. currani Zumpt   
 6. Mid tibia with 2–4 ad.................................................................................................... 7   
 ­ Mid tibia with a single ad............................................................................................ 13   
7. Palpus entirely yellowish.............................................................................................. 8  
­ Palpus blackish apically.............................................................................................. 12  
 8. Lower calypter ellipsoid, longer than broad; body 6.0–9.0 mm in length...................... ........................................................................................ R. minutalis Villeneuve (p. 98)   
­ Lower calypter lobulate, about as long as broad, or broader than long........................ 9  
 9. Anepisternum clothed with black hairs at least on upper half, lower part with pale hairs (not recorded from Namibia) ............................................ R. maculata (Macquart)   
­ Anepisternum entirely clothed in pale hairs, sometimes with several black hairs on upper extremity........................................................................................................... 10  
10. Parafacial entirely or largely blackish setulose; ♂ head sub­holoptic......................... 11  
 ­ Parafacial blackish setulose only on upper extremity; ♂ head holoptic.......................... ....................................................................................... R. interclusa Villeneuve (p. 98)   
 11. Parafacial and genal dilation without glossy black spot................................................. ...................................................................................... R. discrepans Villeneuve (p. 95)   
 ­ Parafacial and/or genal dilation with more or less distinct glossy spot (not recorded from Namibia) .................................................................................. R. paradoxa Zumpt   
 12. Abdomen predominantly metallic green, the ground colour of tergites 3–4 reddish brown laterally and ventrally; pedicel reddish; parafacial with dense black setulae (not recorded from Namibia) ........................................................................ R. formosa Peris   
 ­ Abdomen predominately yellowish, with brown to blackish pattern; pedicel and 1 st flagellomere black, sometimes fuscous brown; parafacial without black setulae........... .................................................................................................... R. hessei Zumpt (p. 97)   
13. Parafacial distinctly and mostly black setulose, rarely black setulae very sparse....... 14  
­ Parafacial bare, or with only sparse and extremely fine, whitish hairs....................... 15  
 14. Thorax and dark pattern of abdomen metallic green; stem vein with white hairs.......... .......................................................................................... R. bicolor (Macquart) (p. 94)   
 ­ Thorax and dark pattern of abdomen dull cupreous, sometimes with dull greenish reflection; stem vein with black hairs ............................ R. peraequa Villeneuve (p. 99)   
 15. Fronto­orbital plate in ♂ with long pilosity in addition to ori, in ♀ with dark piliferous spots ...................................................................................... R. soyauxi Karsch (p. 100)   
­ Fronto­orbital plate in ♂ without additional pilosity, in ♀ without dark piliferous spots..................................................................................................................................... 16  
 16. 5 th sternite of ♂ normal, without spines or protuberances........................................... 17   
 ­ 5 th sternite of ♂ modified, with prominences or spines............................................... 20   
 17. Arista distinctly pubescent; abdomen orange­yellow, with lateral spot on tergites 3–4, sometimes on 5 th tergite in ♀ (Fig. 12), only on 3 rd tergite in ♂...................................... ................................................................................................... R. tristis Séguy (p. 104)   
­ Arista virtually bare, longest hairs barely attaining half diameter of basal arista; abdomen with marginal bands, without lateral spot........................................................... 18  
 18. Thorax black, covered with dense bluish white pruinosity, apex of scutellum yellow... ...................................................................................... R. pruinosa Villeneuve (p. 100)   
­ Thorax metallic green or cupreous, apex of scutellum not pale.................................. 19  
 19. Body length exceeding 9 mm; thorax metallic green and cupreous, with dense bluish pruinosity .............................................................................................R. io Peris (p. 98)   
 ­ Body less than 6 mm; thorax metallic green or coppery, with white, moderately dense pruinosity ................................................................................... R. zumpti Peris (p. 105)   
 20. 5 th sternite of ♂ strikingly enlarged, lying opposite tergite 3–5, with pair of forceps­like protruding processes; 5 th tergite of ♀ ventrally with margins widely separated from each other, so that 5 th sternite is broadly uncovered (Fig. 13)......................................... ........................................................................................ R. forcipata Villeneuve (p. 95)   
 ­ 5 th sternite of ♂ of normal size and lying opposite 5 th tergite; ♀ 5 th tergite ventrally broader leaving the corresponding sternite not so markedly uncovered..................... 21   
 21. 5 th sternite of ♂ projecting into two erect, coniform protuberances; 1 st flagellomere entirely orange­yellow ......................................................... R. cassotis (Walker) (p. 95)   
 ­ 5 th sternite of ♂ equipped with 3–4 spines at base of each lateral lobe; 1 st flagellomere largely fuscous brown apically; legs wholly blackish, except for brownish mid tibia; 5 th sternite glossy black basally, broadly yellowish along posterior margin in ♀ (Fig. 14) .................................................................................. R. trispina Villeneuve (p. 102)
description: Published as part of Kurahashi, Hiromu & Kirk-Spriggs, Ashley H., 2006, The Calliphoridae of Namibia (Diptera: Oestroidea), pp. 1-131 in Zootaxa 1322 (1) on pages 26-28, DOI: 10.11646/zootaxa.1322.1.1, http://zenodo.org/record/5071123