282 AGRICULTURAL EXPERIMENT STATION. 



from the base ; it is nearly as long as the proboscis. The antennae 

 are brown in both sexes, black at the base in the female. 



The thorax is deep brown, with a silvery white median stripe, 

 which becomes wide posteriorly. In the female this stripe is 

 well defined and sometimes rather broad; but in the male it is 



^ 



Figure 87. 



Culex diipreei: i, adult female; 2, her anterior claw; 3, anterior, 4, middle, S, 

 posterior claws of male: all much enlarged. (Original.) 



diffused with whitish scales that cover the whole mesonotum. 

 The pleura are brown. The femora are chiefly yellowish, with 

 some brown scales on the dorsal surface, while the tibiae and 

 tarsi are blackish brown. In the male the claws of the anterior 



