LIST OF DIPTERA. 715 



tip ; scales blackish. Length of the body 5 lines ; of the wings 11 

 lines. 



Tachina chrysiceps. Jurinia chrysiceps, Desv. Essai Myod. 37, 8. 



Tachina bicolor, Wied. Auss. Ziveif. ii. 282, 3. Echinomyia fuli- 

 gipennis, Macq. Hist. Nat. Dipt. ii. 77, 24. Jurinia bicolor, 

 Macq. Dipt. Exot. ii. 3, 39, 3, pi. 3, /. 7. J. Brasiliensis ? 

 Desv. Essai Myod. 35, 2. Echinomyia Brasiliensis? Macq. 

 Hist. Nat. Dipt. ii. 77, 23. 



a. ? From Mr. Children's collection. 



Tachina decisa, n. s. Nigra, capite albido, thorace subcinereo, tate- 

 ribus scutello abdomineque rujis, abdomine nigro vittato, anten- 

 nis ferrugineis, pedibus nigris, alis cinereis basi fuscis. 

 Body black : head yellowish white, tawny, and adorned with a 

 ferruginous stripe above, beset with a few black bristles, clothed be- 

 neath with yellowish white hairs ; epistoma very prominent ; no 

 bristles on the sides of the face : sucker black, clothed towards the 

 tip with short pale tawny hairs ; palpi tawny, beset with short black 

 bristles : eyes pitchy, red above and in front : feelers ferruginous, 

 as long as the face ; third joint a little shorter than the second, in- 

 creasing in depth from the base to the tip, which is slightly rounded, 

 but almost truncated; bristle downy, tapering, much less than twice 

 the length of the third joint, its second joint long, twice the length 

 of the first : chest slightly tinged with gray, dark red on each side, 

 beset with black hairs and bristles : scutcheon and abdomen dark 

 red, shining, clothed with black hairs, armed with black spines ; an 

 interrupted black stripe along the back of the abdomen : legs black, 

 clothed with black hairs and bristles ; claws tawny, with black tips ; 

 foot-cushions pale yellow : wings gray, brown at the base ; wing- 

 ribs and veins dark tawny, some of the latter pitchy ; cross-veins, 

 especially the little one in the disk, clouded with brown ; tip cross- 

 vein forming a slightly acute angle with the fourth longitudinal 

 vein, much curved inward near the base, almost straight from thence 

 to the tip which joins the border at some distance above the tip of 

 the wing ; lower cross-vein with two curves, the lower inward, the 

 upper outward ; scales blackish. Length of the body 5 — 6 lines ; 

 of the wings 11 — 12 lines. 



Var. /3. Third joint of the feelers pitchy. 



3 R2 



