64 Tachinidae. 



Table of Genera. 



1. First posterior cell not petiolate 2. 



■ — First posterior cell petiolate 8. 



2. Cheeks hairy in whole length or only above, and some- 



times slightly ; discai angle distinct even if rounded 3. 



— Cheeks bare ; discai vein very slightly curved or straight 7. 



3. Cheeks quite hairy 4. 



— Cheeks hairy only above or about bare 5. 



4. Eyes hairy; three intraalar bristles (generally) 39. Macquartia. 



■ — Eyes bare; two intraalar bristles 47. Frauenfeldia. 



5. Cheeks slightly short-haired above or nearly bare 6. 



- — Cheeks more hairy with longer hairs ; second abdominal 



segment with bristles; squamulæ not narrowed; black 



species 41. Minella. 



6. Second abdominal segment with bristles; generally 

 three intraalar bristles; squamulæ narrowed or not; 



more or less pruinose species 39. Macquartia. 



■ — Second abdominal segment without bristles; two 

 intraalar bristles; squamulæ somewhat narrow; black 

 species 40. Macroprosopa. 



7. Discai vein curved; first posterior cell narrowly open. . 46. Angioneura. 



— Discai vein straight; first posterior cell broadly open . . 49. Cinochira. 



8. Cheeks hairy 9. 



— Cheeks bare ■ 11. 



9. Squamulæ white; costal spine present 10. 



■ — Squamulæ dark ; no costal spine 44. Melanophora. 



10. Jowls narrow, cheeks with fine hairs 42. Rhinophora. 



— Jowls relatively broad ; cheeks with bristles below . . 43. Stevenia. 



11. Abdomen with well developed bristles and second 



segment with bristles 45. Plesina. 



— Abdomen with weak bristles; second segment without 



bristles 48. Caiharosia. 



As mentioned some species do not show the important character 

 of the restricted thoracic squamulæ; these are: two species of Mac- 

 quartia: dispar and tenebricosa^ and the genus Minella, and they 

 also deviate in having a convex upper part of postscutellum. The 

 species may be known from the Tachininae by some characters: 

 the males have touching eyes and all the species have three rather 

 equal scutellar marginal bristles; the Macquartia-^^Qcies have arista 

 thickened only just at base, dispar has yellow tibiæ in male and 

 quite yellow legs in female. The Minella-^^ecie^ are smallish and quite 

 black, with pubescent arista. 



