MOSQUITOS OR CULICIDAE OP NEW YORK STATE 



317 



tans, 0. oinereobor ealis and A'edes f usous, adults 

 appearing in early May. It probably wintei-s in the larval form. 

 Description. This is one of the two species in which the pos- 

 terior cross vein of the wing is very close to the first cross 

 vein. Theobald makes C. impiger a synonym of C. 

 n i g r i p e s , but Howard states that the latter does not occur 



Fig. 61 Two views of comb 

 scales of C. impiger 



rig. 62 Air tube of C. impiger 



In this country or Canada. The male of C. n 1 g r i p e s has the 

 abdomen covered by black scales, while the male of C. impiger 

 has cross bands of light colored scales on the abdomen. Larva 

 about -j\ inch long; head, rather dark brown; sides somewhat 

 angular; antennae, fuscous at tip with a slight tuft arising at the 

 basal third. Labial plate rather broadly triangular with 11 teeth 

 on each side of the median one. Thoracic hairs finely barbuled 

 and arising in groups of three or four; abdominal hairs more 

 slender, some double^ and all finely barbuled. The comb consists 



