TACHINIDAE OF ORIENTAL REGION 115 



- Vibrissae not obviously above level of the epistomal margin. Parafacials wholly 



bare. Intermediate abdominal tergites without discal setae 



COMPSILUROIDES Mesnil 



6 Wing with cell i? 5 open to the wing margin (at least narrowly) .... 7 



- Wing with cell i? 5 closed well before the wing margin and long-petiolate 



PHYTOROPHAGA Bezzi 



7 Propleuron haired ............ 8 



- Propleuron bare ............ 9 



8 Two prst dc setae. Humeral callus with three setae standing in a triangle. Frons of 



<J much narrower than that of $ and without proclinate orbital setae. Last visible 

 abdominal tergite (T5) normal, short in both sexes, usually with a dense hair 

 fascicle on each side in <$ . . PRODEGEERIA Brauer & Bergenstamm 



- Three prst dc setae. Humeral callus with three setae standing nearly in a straight 



line. Frons of both sexes equally narrow and $ with two pairs of proclinate 

 orbital setae like the $. Last visible abdominal tergite of $ produced into a sharp 

 cone (Text-fig. 117) or into a very long 'tail' (as long as remainder of abdomen, 

 Text-fig. 118), without hair fascicles .... UR ODE XIA Osten Sacken 



9 Two post dc setae (total dorsocentral complement 1+2 or 2 + 2) . . . 10 



- Three post dc setae (total dorsocentral complement 2 + 3 or 3 + 3) . . . 12 



10 Mid tibia without a submedian v seta. Fore tibia with two pv setae. Facial ridges 



finely setulose on most of their height. Both sexes without discal setae on 

 intermediate abdominal tergites. Small second sa seta present. [Conspicuously 

 bicolorous species, orange-yellow abdomen sharply contrasting with velvety black 

 thorax] DEGEERIOPSIS Mesnil 



- Mid tibia with a submedian v seta. Fore tibia with one pv seta. Facial ridges bare. 



Abdominal T3-T5 each with discal setae in o*» without discal setae in $. Second 



sa seta absent. [Forms without such sharply contrasted colour pattern] . . 11 



11 $ hind coxa with some setae modified into short blunt black pegs (Text-fig. 144). $ 



with ovipositor in form of a long strong downcurved hook (Text-fig. 143) 



MEDINODEXIA Townsend 



- $ hind coxa with normal unmodified setae. $ with ovipositor in form of a broad 



flattened and downcurved plate ..... MEDINOMY1A Mesnil 



[The o* OI this genus is unknown but it appears unlikely that it will be dis- 

 tinguishable from that of Medinodexia. The genus Medinomyia is only doubt- 

 fully distinct from Medinodexia.'] 



12 Two prst dc setae (total dorsocentral complement 2 + 3). Abdominal Ti + 2 not 



excavate to its hind margin (except in Medina) . . . . . . 13 



- Three prst dc setae (total dorsocentral complement 3 + 3). Abdominal Ti + 2 



excavate to its hind margin or very nearly so ...... 18 



13 Gena very broad, distance from lowest point of the eye to the peristomal margin 



equal to about half the eye-height. Parafacials finely haired on upper halves. 

 Facial ridges setose on more than half their height. Fore tibia with two small 

 pv setae. Arista thickened on about half its length. Fore tarsi of $ enlarged and 

 dorsoventrally flattened . . . TRICHOPAREIA Brauer & Bergenstamm 



- Gena narrow, distance from lowest point of the eye to the peristomal margin very 



much less than half the eye-height. Parafacials bare. Facial ridges bare (except 

 in Medina). Fore tibia with one pv seta. Arista thickened on less than its basal 

 half. Fore tarsi of $ not enlarged, or if slightly so then laterally flattened . . 14 



14 Mid tibia with a strong submedian v seta. Facial ridges haired or finely setulose on 



most of their height. Abdominal Ti -f- 2 excavate to its hind margin. Arista 

 almost bare. Prosternum haired . . . MEDINA Robineau-Desvoidy 



- Mid tibia without a submedian v seta. Facial ridges bare. Abdominal Ti + 2 not 



excavate to its hind margin (except nearly so in Trigonospila). Arista long- 

 pubescent or plumose. Prosternum bare (except usually in Eophyllophila) . . 15 



