CLASSIFICATION OF INSECTS. 187 



fleshy, bilobed, and rather porrected ; ocelli three ; 

 wings somewhat divaricating, long, extending be- 

 yond the body, beautifully variegated with black 

 or brown ; alulae small ; body flattened, truncate 

 at the extremity. Inhabits the borders of woods 

 and heaths, settling on flowers. Anthrax, Stygia. 



673. Piercing flies (Stomoxites). Larva and 

 pupa unknown. Imago with the antennae six- 

 jointed, the basal and second joints short, the 

 third produced inferiorly, pendulous, and received 

 into a cavity in front of the head ; the remaining 

 joints forming a seta which is often plumose ; 

 ligula very elongate, and porrected in front of the 

 head ; wings slightly divaricate ; alulae very large ; 

 body stout ; colour griseous or mottled. Inhabits 

 woods, meadows, houses, &c., feeding on the 

 pollen of flowers, and the blood of man and quad- 

 rupeds. Stomoxys, Bucentes. 



674. Wasp flies (Conopites). Larva elongate ; 

 feeds in the bodies of humble bees. Pupa changes 

 in the same situations. Imago with antennae 

 placed on a distinct pedicle, six-jointed; basal 

 joint long, second and third long and incrassated, 

 the remaining ones short and decreasing to a point ; 

 ligula long, porrected ; wing narrow, divaricating; 

 alulae obsolete ; body elongate, narrow, recurved. 

 Inhabits woods, feeding on composite flowers, and 

 occasionally, it is said, sucking the blood of cattle. 

 Conops. 



675. Botts (CEstrites). Larva cylindrical, 



