LIST OF DIPTERA. 765 



Tachina Dorycus, n. s. Fulva, capite aureo, pectore cano, abdomine 

 nigro vittato, palpis antennisque fulvis, horum articulo 3° piceo, 

 pedibus nigris, tibiis fulvis, alls subcinereis basi fulvis. 

 Head gold-colour and beset with some black bristles above, 

 whitish and clothed with white hairs beneath ; epistoma not promi- 

 nent; sides of the face completely fringed with hairs: eyes pitchy, 

 not hairy: sucker black, pitchy and clothed with tawny hairs to- 

 wards the tip ; palpi tawny, long, slender, beset with short black 

 bristles : feelers dark tawny, as long as the face ; third joint linear, 

 slender, very long, pitchy, tawny at the base, full six times the 

 length of the second joint; bristle black, stout, tapering, hardly 

 longer than the third feeler-joint, its first and second joints short, of 

 equal length : chest thickly covered with pale tawny bloom, clothed 

 with tawny hairs, beset with black bristles; breast hoary, partly 

 clothed with hoary hairs : abdomen conical, a little longer than the 

 abdomen, tawny, with paler reflections towards the tip, clothed with 

 black hairs and bristles, adorned with a black stripe, which widens 

 across the whole breadth before the tip : legs black, clothed with 

 black hairs and bristles ; thighs covered beneath with hoary bloom ; 

 shanks dark tawny ; foot-cushions tawny : wings slightly gray, taw- 

 ny at the base, and with a tawny tinge along half the length of the 

 fore border ; wing-ribs tawny; veins black, tawny towards the base ; 

 tip cross-vein forming a very slightly curve inward, joining the bor- 

 der at some distance above the tip of the wing ; lower cross- vein 

 with two slight curves, the lower short and inward, the upper out- 

 ward and longer ; scales yellowish white. Length of the body 5| 

 lines ; of the wings 9 lines. 



a. Ukraine. Presented by Dr. Dowler. 



Tachina Psamathe, n. s. Nigra, capite fulvo, thorace cano quadri- 

 vittato, abdomine maculis lateralibus trigonis ornato, palpis ful- 

 vis antennis pedibusque nigris, alis sublimpidis. 



Body black, clothed with black hairs and bristles: head with a 

 pale tawny silk-like covering, hoary and thickly clothed with hoary 

 hairs behind and beneath ; a black stripe passes from the eyelets to 

 the feelers, and is fringed with black spines, which extend beyond 

 it in a line parallel to the face as far as one-half of the length of the 

 latter ; sides of the face fringed with bristles at the base ; epistoma 

 slightly prominent : eyes red, hairy : sucker black, clothed with 

 black hairs, and at the tip with tawny hairs ; palpi long, slender, 

 tawny, beset with black bristles : feelers black, as long as the face ; 

 second joint ferruginous at the tip ; third joint nearly four times the 

 length of the second, slender, linear, very slightly concave above, 



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