Genus Culex. 



409 



Length. — 4 • 5 mm. Otherwise as in $ . 

 Habitat. — New Jersey (Grossbeck). 

 Time of hatching. — May 12th." 



Observations. — Described by Mr. D. W. Coquillett from 

 specimens reared by Mr. Grossbeck from larvae taken May 9th 

 and 14th in rocky pools on Garrett Mountain, near Paterson. 



The larva is described by Smith (pp. 229-231). It is stout 



Fig. 174. 



Culex niveltarsis. Coquillett. 



a, antenna ; b, siphon and anal segment ; c, scale from comb of Sth 



segment ; d, scales of siphon ; e, labial plate. (After Smith.) 



and robust, measuring 7 to 7*5 mm., greyish-white, profusely 

 mottled and shaded with brown. Labial plate with nine blunt 

 teeth on each side of apex ; scales on eighth segment small, 

 about 45 in each patch arranged in three or four irregular rows, 

 form as shown in figure. Anal siphon yellowish-brown, about 

 3 J times as long as broad, with spines of pecten 15 to 17 in 

 number, broad at base with one, two or three spines, one always 

 large. Anal gills long and bluntly pointed. 



