MOSQUITOS OR CULICIDAB OF NEW YORK STATE 



351 



Larva of the normal Corethra type with the prothoracic and 

 seventh abdominal segments enlarged and containing air reser- 

 voirs. 



Fig-. 88 Dorsal aspect of larval mandible of C. karner en si s 

 much enlarged 



Head, light brown, flattened; eyes dark brown, nearly black; 

 the median four frontal setae barbed along the basal half, the 



Fig. 89 Variations in oral hairs in C. karnerensis: a from labrum, bfromlabium 

 and c from the maxillary palpus 



lateral frontal setae, slender, simple, curved. Tip of labrum 

 thickly fringed with serrate scales and with a peculiar cluster aris- 

 ing from a pocketlike depression on either side ; there is a pair of 



