732 LIST OF DIPTERA. 



Tachina Ampelus, n. s. Nigra, capite argenteo , thoracis vit.tis quin- 

 que canis, scutelli margine postico rufo, abdomine cano micante, 

 apice rufo, antennis pedibusque nigris, alis subcinereis. 

 Body black: head covered with a silvery bloom, tawny about 

 the mouth, beset with black hairs and bristles, clothed behind and 

 beneath with white hairs ; sides of the face fringed with bristles at 

 the base ; epistoma very prominent ; sucker black, clothed at the 

 tip with tawny hairs ; palpi tawny : eyes red, thickly clothed with 

 tawny down : feelers black, nearly as long as the face ; third joint 

 longer than the second, very convex above, flat beneath, rounded at 

 the tip ; bristle naked, rather stout, though tapering from the base 

 to more than half the length ; second joint long, twice the length of 

 the first : chest clothed with black hairs and bristles, adorned with 

 five indistinct hoary stripes ; scutcheon armed with long black 

 spines, dark red along the hind border : abdomen covered with black 

 hairs and with a few black spines, adorned with hoary reflections ; 

 last segment red, shining : legs black, clothed with black hairs and 

 bristles ; claws towards the base and foot-cushions tawny : wings 

 light gray : wing-ribs and veins pitchy; tip cross-vein forming an 

 obtuse angle with the fourth longitudinal vein, slightly curved in- 

 ward along its whole length, joining the border at some distance 

 above the tip of the wing ; lower cross-vein with two slight curves, 

 the lower inward, the other outward ; scales dingy white. Length 

 of the body 4 lines ; of the wings 8 lines. 



a. Nova Scotia. From Lieut. Redman's collection. 



Group XXX. 



Third joint of the feelers full as long as the second, flat above, 

 slightly convex beneath, deepening from the base to the tip, which 

 is truncated ; second joint of the bristle longer than the first. 



Tachina degenera, n. s. Nigra, capite anticojlavo pubescente, pal- 

 pis fulvis, antennis pedibusque nigris, alis subcinereis. 

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

 about the mouth, covered in front with pale yellow down, beset 

 above with a few black hristles, clothed beneath with some pale yel- 

 low hairs ; sides of the face fringed with bristles at the base ; epis- 

 toma very prominent : sucker black, dark ferruginous and clothed 

 with tawny hairs at the tip ; palpi tawny, beset with black bristles : 

 eyes dark red, not hairy : feelers black, nearly as long as the face : 

 third joint full as long as the second, flat above, slightly convex be- 



