26 KANSAS UNIVERSITY SCIENCE BULLETIN. 



of hind tarsi wholly white ; claws small, simple ; veins of 

 wings thinly clothed with light brown scales, petiole of first 

 submarginal cell one-third length of that cell, cross-veins at 

 ends of first and second basal cells the length of the cross-vein 

 at end of second basal cell distant from each other. Length, 

 3.5 mm. 



One specimen; Arizona. Prof. F. H. Snow. 



Culex apicalis, n. sp. 



Female : Head brown ; scales mostly light yellow, some long 

 brown ones ; palpi and proboscis wholly brown, antennae 

 brown, with base lighter, thorax brown with light brown 

 scales, pile black ; abdomen dark brown, covered with brown- 

 ish scales, except those on the posterior margin, which are 

 white, forming on the second and third segments small tri- 

 angles by projecting forward in the middle, and on the follow- 

 ing segments forming narrow bands, venter covered largely 

 with white scales ; coxse and base of femora pale yellow, rest 

 of legs and tarsi wholly brown, tarsal claws small and simple ; 

 veins of wings sparsely covered with hairs and scales, petiole 

 of first submarginal cell one-half the length of that cell, the 

 cross-veins at ends of first and second basal cells distant from 

 each other. Length, 4i mm. 



Two specimens; Arizona. Prof. F. H. Snow. 



Culex particeps, n. sp. 



Male : Head brown, covered with yellowish scales, among 

 which are some pure white ones, few hairs along eyes black ; 

 proboscis dark brown, bearing a few yellowish scales ; palpi 

 brown, base of each joint white ; antennce brown, lighter at 

 base; thorax brown, bearing yellow and white scales, the 

 latter most prominent on posterior part, pile black ; halteres 

 pale with brown knobs ; abdomen brown, scales at base of 

 segments white, on remaining part of segments the scales are 

 brown, a few scattering ones yellow, venter almost wholly 

 covered with white scales ; fore coxae brown, others rather 

 pale ; femora black, with the posterior side on basal half, and a 

 ring near apex white-scaled ; tibiae black, with a few white 

 scales ; tarsi black, with bases white ; front and middle tarsal 

 claws toothed, hind ones small and simple ; veins of wings 



