LIST OF D1PTERA. 311 



Group. IV. 



Dasypogon subulatus, Wied. Auss. Zweif. i. 375, 14. 

 a. Georgia ? 



Dasypogon Ambryon, n. s., fem. Ferruqineus* fulvo pubescens, 

 abdominis apice piceo, antennis piceis apice nigris, pedibus fer- 

 rugineis, alis fuscis, venarum marginibus sublimpidis. 



Body ferruginous : head much narrower than the chest, covered 

 with dull pale yellow down, thickly clothed with pale yellow hairs 

 behind, and with whitish hairs beneath ; crown covered with dark 

 tawny down, and beset on each side with black bristles ; clypeus 

 armed with many long pale yellow spines: eyes black; fore part 

 slightly convex, its facets very little larger than those elsewhere on 

 the eyes : lip black, ferruginous, and clothed with short yellow 

 hairs at the tip ; palpi black, clothed with pale yellow hairs : feel- 

 ers piceous ; first and second joints beset with short black bristles ; 

 second joint much shorter than the first ; third joint spindle-shaped, 

 much longer than the first and the second ; fourth joint black, like 

 a spine, about one-fourth of the length of the third : neck with 

 a ruff of black and yellow bristles : chest covered with dark tawny 

 down, thinly clothed with short black hairs, beset on each side and 

 behind with longer pale yellow hairs, and with some very long 

 black and yellow bristles : breast paler tawny, covered with a slight 

 hoary bloom, clothed here and there with white hairs: abdomen 

 narrower than the chest, and nearly thrice its length, clothed with 

 short yellow hairs, and on each side at the base with some longer 

 hairs and with a few black and yellow bristles ; tapering from the 

 base to the tip, which is clothed with some black hairs and armed 

 with a circlet of black spines : first and second segments short ; 

 third and following segments long, and of nearly equal length ; 

 eighth and ninth segments piceous, shining : legs very dark ferru- 

 ginous, almost piceous, clothed with short pale yellow hairs, and 

 beset with black spines ; shanks and feet of fore and middle legs 

 paler ; claws black, ferruginous at the base : foot-cushions dark 

 tawny ; fore shanks unarmed : wings brown, paler along the borders 

 of the veins, reaching, when closed, to two-thirds of the length 

 of the abdomen; wing-ribs and veins piceous, the latter ferrugi- 

 nous along the fore half of the wing ; poisers yellow. Length of the 

 body 14 lines ; of the wings 16 lines. 



a. North Bengal. From Miss Campbell's collection. 



