70 Tachinidae. 



— Palpi normal 35. 



34. Both sexes with two orbital bristles ; femora black 94. Linnaemyia. 



— Male without, female with two orbital bristles; 



femora yellow 95. Micropalpus. 



35. Antennal arista quite short, not longer than 

 third joint, thickened about to end; cheeks witb 



liairs on upper part below frontal bristles 122. Rhafhiochaeta. 



— Antennal arista longer and not thickened to near 



end; cheeks generally either bare or quite haired 36. 



36. Proboscis somewhat long and slender, with small 



labella 37. 



• — Proboscis not elongated 38. 



37. Front tibiæ with long anterodorsal bristles; first 

 posterior cell open; abdomen with small red 



markings or in female without 124. Rhynchista. 



— Front tibiæ with short anterodorsal bristles; 

 first posterior cell generally closed; abdomen 



with large red markings in both sexes 126. Eriothrix. 



38. Black or æneous or bluish black shining species 

 without or with very slight pruinosity ; squamulæ 



and base of wing yellow 39. 



- — Otherwise coloured species; squamulæ and base 



of wing not specially yellow 41. 



39. Orbits black and shining; cubital vein with 

 rather long bristles half way to medial cross- 



vein or more 90. Lydina. 



— Orbits not shining black; cubital vein with 



bristles only at base 40. 



40. Second abdominal segment with marginal brist- 

 les; scutellum red at apex 68. Tryphera^. 



— Second abdominal segment without marginal 



bristles; scutellum black 131. Zophomyia. 



41. Epistoma reflected below with the lower margin 

 strongly protruding; second antennal joint 

 rather long, third at most one and a half times 



longer, sometimes shorter than second 116. Ernestia. 



— Epistoma not or not strongly protruding below; 

 third antennal joint nearly always longer, if not, 



only two sternopleural bristles 42. 



42. Wings with cross- veins clouded; apex of ab- 

 domen red 92. Eversmannia. 



— Wings with cross- veins not clouded; apex of ab- 

 domen not red 43. 



If a species with not red apex of scutellum, touching eyes in male, arista 

 thickened only just at base and no præsutural intraalar bristle, seeMacquartia 

 tenebricosa under Rhinophor inae. 



