FAMILY SIMULIID^ 



263 



The larva is not differeint in general appearance from that 

 of other species. The annexed cut (Fig. 207) shows it con- 

 siderably enlarged and will make a detailed description 

 unnecessary. It is translucent when living; the body in 



Fig. 208. — Simuliurn pecuarum: head of larva: a, beneath; b, side; 

 c, above — greatly enlarged. (From Annual Report of Department of Agri- 

 culture. 1886.) 



Fig. 209. — Simuliurn pecua- 

 rum: pupa — enlarged. (From 

 Riley.) 



I'll:. 210. — Simuliuni pecua- 

 rum: female, side view — en- 

 hirtied. (U. S. Dept. Ag.) 



some individuals is without markings, while in most it is 

 distinctly marked with dark cross bands on the back in the 

 middle of the joints, while at each side is a white space; 

 the under side is more or less irregularly spotted with brown. 



