400 LIST OF DIPTERA. 



Asilus flavo-fasciatus, Wied. Auss. Zweif. i. 470, 68. 



a. Honduras. From Mr. Miller's collection. 



b. ? 



Asilus lascivus ? Wied. Auss. Zweif. i. 474, 75. 

 a. Honduras. From Mr. Miller's collection. 



Asilus Amarynceus, n. s., fern. Niger, cinereo pubescens, abdomi- 

 nis lateribus ferrugineo vittatis, apice compresso, ventre cano, an- 

 tennis pedibusque nigris, tibiis fulvis, alis limpidis. 



Body black, covered with a gray bloom : head as broad as the 

 chest, clothed behind and more thickly beneath with white hairs, be- 

 set behind the eyes with a row of black bristles, covered with black 

 hairs on each side of the crown ; clypeus very prominent, beset with 

 black bristles, clothed also in front with long whitish hairs : eyes 

 black ; fore part flat, its facets very large, the outline between them 

 and the other part unusually distinct : lip black, clothed at the tip 

 with short tawny hairs ; palpi black, beset with long black hairs and 

 bristles: feelers black; first and second joints beset with black 

 hairs ; second joint slightly club-shaped, about half the length of 

 the first; third joint spindle-shaped, shorter than the first; bristle 

 about twice the length of the third joint : chest clothed with short 

 black hairs, beset with black bristles on each side, and behind where 

 it is also covered with some long hoary hairs : breast partly clothed 

 with a few hoary hairs : abdomen narrower than the chest and nearly 

 thrice its length, slightly tapering from the base to nearly two-thirds 

 of the length, thence to the tip compressed and very slender, clothed 

 with short whitish hairs ; a ferruginous stripe along each side ; 

 underside hoary, clothed with longer whitish hairs ; first and second 

 segments very short ; second segment arched, clothed with long 

 white hairs, and armed with three black bristles on each side ; third 

 and following segments long, but successively decreasing in length : 

 legs black, clothed with black hairs, and armed with black spines ; 

 shanks tawny, with black tips, clothed beneath like the feet with 

 tawny down ; foot-cushions tawny : wings colourless ; wing-ribs 

 piceous ; veins black ; poisers ferruginous. Length of the body Si 

 lines ; of the wings 12 lines. 



Asilus senilis, Wied. Auss. Zweif. i. 471, 70. 

 a. ? 



