740 LIST OF DIPTERA. 



wards the tip of the abdomen : legs black, clothed with black hairs 

 and bristles ; foot-cushions dark tawny : wings slightly gray ; wing- 

 ribs tawny ; veins pitchy, tawny towards the base ; tip cross-vein 

 forming a right angle with the fourth longitudinal vein, curved in- 

 ward near the base, and more slightly curved inward from thence to 

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

 wing ; lower cross-vein straight near the base, having a decided in- 

 ward curve in the middle, and a much more slight outward curve 

 near the tip ; scales white, with yellow borders. Length of the 

 body 4 lines ; of the wings 7 lines. 



a. England. 



Tachina Pitho, n. s. Cinereo-fnlva, abdominis vitta dorsali et seg- 

 mentorum marginibus posticis nigris, palpis fulvis, antennis pe- 

 dibusque nigris, alis cinereis. 



Body black, clothed with black hairs and bristles : head co- 

 vered with tawny bloom, clothed beneath with gray hairs; a black 

 stripe between the eyelets and the base of the feelers ; epistoma pale 

 tawny, not prominent ; sides of the face fringed with bristles : sucker 

 black, clothed at the tip with tawny hairs ; palpi tawny, slender, be- 

 set with black bristles : eyes pitchy, not hairy: feelers black, about 

 three-fourths of the length of the face ; tip of the second joint ferru- 

 ginous ; third joint nearly linear, slightly increasing in depth 

 towards the tip, which is truncated, much less than twice the length 

 of the second joint ; bristle about twice the length of the third joint, 

 rather stout, though tapering for half the length, slender from 

 thence to the tip, its second joint about twice the length of the first: 

 chest covered with grayish tawny bloom : abdomen obconical, 

 longer than the chest, covered above with grayish tawny bloom, 

 which is interrupted by black bands, on the hind borders of the seg- 

 ments and by a black stripe ; the bands are narrower beneath : legs 

 black, clothed with black hairs and bristles ; foot-cushions pale 

 bright tawny : wings gray ; wing-ribs dark tawny ; veins black, 

 tawny towards the base ; tip cross-vein forming an obtuse angle 

 with the fourth longitudinal vein, whose continuation beyond it is 

 slightly indicated, curved inward near the base, straight from thence 

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

 the wing ; lower cross-vein straight, with the exception of two 

 slight curves, one inward and near the base, the other outward and 

 very near the tip ; scales dingy white, with yellow borders. Length 

 of the body 4 lines ; of the wings 7§ lines, 

 a. England. 



