386 LIST OF DIPTERA. 



adorned with bluish purple lustre ; wing-ribs and veins black ; 

 poisers piceous. Length of the body 15 lines ; of the wings 28 

 lines. 



a. Madras. Presented by Walter Elliott, Esq. 



Group XII. 



Laphria Echemon, n. s., fern. Nigra, thorace nigro-ceneo, antennis 

 pedibusque nigris, genubus ferrugineis, tibiis tarsisque posticis 

 latis, alls sublimpidis. 



• Head gray, a little narrower than the chest, clothed behind and 

 beneath with white hairs ; front and clypeus covered with shining 

 whitish down, the latter beset with pale yellow hairs and bristles : 

 lip black, clothed at the tip with short tawny hairs ; tongue tawny ; 

 palpi black, clothed with black hairs : eyes dark reddish bronze ; 

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

 part : feelers black ; first and second joints of nearly equal length, 

 beset with black hairs ; third joint spindle-shaped, longer than the 

 first and the second joints : chest brassy black, punctured, shining, 

 with a few short pale hairs on each side ; shoulders and breast gray, 

 the latter clothed with short hoary hairs : abdomen black, thickly 

 punctured, shining, clothed with tawny down, nearly linear, convex, 

 as broad as the chest and about twice its length ; segments from the 

 base successively increasing in length : legs black, thinly clothed 

 with short white hairs, and beset with a few long slender white bris- 

 tles ; shanks at the base and knees ferruginous ; feet clothed beneath 

 with ferruginous down ; claws black, ferruginous at the base ; foot- 

 cushions tawny ; hind shanks club-shaped, thickly clothed beneath 

 with short tawny hairs ; hind feet broad : wings with a very slight 

 gray tinge ; wing-ribs piceous ; veins black ; the two fore border 

 veins united for some length before their end ; the two cross-veins 

 that bound the second and the third hinder areolets forming an un- 

 interrupted line ; poisers yellow. Length of the body 3 lines; of 

 the wings 6 lines. 



a. Ohio. Presented by the Entomological Club. 



Asilus, Linn. 



Group I. 



Asilus coriarius, Wied. Auss. Zweif. ii. 644, 62. Craspedia cori- 

 aria, Macq. Dipt. Exot. i. 2, 83, 1, pi. 8, /. 1 (Blepharis cori- 



