314 LIST OF DIPTERA. 



length ; first and second segments short ; third and following 

 segments long, but successively decreasing in length : legs red, 

 thinly clothed with short black hairs ; hips clothed with long taw- 

 ny hairs ; spines on the shanks and on the feet longer and more 

 numerous than those on the thighs ; claws black, ferruginous 

 at the base ; foot-cushions dull tawny : wings dark gray, pale taw- 

 ny along the borders of the veins ; wing-ribs and veins piceous ; 

 poisers tawny. Length of the body 12 lines; of the wings 18 

 lines. 

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



Dasypogon Aphrices, n. s. Niger, humeris rufis, pectore rufo vario, 

 abdomine pedibusque rufis, alis subfuscis margine antico obscu- 

 riore. 



Body black: head much narrower than the chest, thinly 

 clothed on the crown, and more thickly behind, with tawny hairs, 

 and most thickly beneath with pale yellow hairs, beset behind the 

 eyes with tawny bristles ; clypeus large, prominent, very thickly be- 

 set with long pale yellow bristles: eyes black ; fore part slightly 

 convex, its facets very little larger than those of the other part : lip 

 black, shining, clothed at the tip with tawny hairs ; palpi black, 

 clothed with pale yellow hairs: chest thinly clothed with tawny 

 hairs, and beset on each side with long tawny bristles ; shoulders 

 red, and beset with red bristles : breast with a red spot here 

 and there, and clothed at intervals with tawny hairs : abdomen red 

 clothed with tawny hairs, a little narrower than the chest, tapering 

 from the base to the tip, which is mutilated : legs red, clothed with 

 tawny hairs, and beset with black bristles ; thighs black, mostly red 

 at the base and on the under-side ; fore thighs unarmed ; claws 

 black, ferruginous at the base ; foot-cushions dull tawny : wings 

 light brown, darker brown along the fore border, especially from one- 

 third to one-half of the length ; wing-ribs and veins piceous, the 

 latter partly black ; poisers tawny. Length of the body 9 lines ; of 

 the wings 16 lines. 



a. Nepaul. From the Hardwicke bequest. 



Dasypogon Echelus, n. s., fern. Niger, thoracis lateribus rufescen- 

 tibus, abdomine rufo, basi apiceque nigro, antennis rufis, pedi- 

 bus ferrugineis, alis fuscis. 



Body black : head much narrower than the chest, clothed with 

 yellowish white hairs behind, and more thickly and with longer 

 hairs beneath, beset behind the eyes with a row of black bristles ; 

 crown covered with a few black hairs ; clypeus large, thickly beset 



