316 



XEW YORK STATE MUSEUM 



and Aedes fuscus. We believe this species winters in the 

 larval form, since with the opening of the spring and appearance 

 of life in the various pools, only nearly full grown larvae were to 



Fig-. 59 Air tube of C. cinereoborealis 



be found. The adult insects appear from the early part to the 

 middle of May. 



Culex impiger Walk. 



PI. 7, 21, 36. 13, 5?, fig. 3. 4 ; 2, 3 ; 1 ; 1 ; 1 respectively 



This very common Xew York mosquito with a basal white band 

 on the dorsum of the abdominal segments, may be readily sepa- 



Fig-. 60 Labial plate of Culex impiger 



rated from C. consobrinus by the toothed claws. This spe- 

 cies was met with in early spring as larvae frequenting woodland 

 pools where it was associated with 0. canadensis, C. can- 



