Genus Culex. 401 



Culex? atropalpus. Coquillett (1902). 



Canad. Eutomo. XXXVI. p. 292 (1902), Coquillett; Journ. N. Y. Ent. 

 Soc. X. p. 195 (1902) ; Proc. Ent. Soc. Wash. V. p. 144 (1903), Dyar ; 

 Mosq. N. Jersey, p. 260 (1905), Smith. 



Head brown, with white scales and black ones at sides ; 

 proboscis black, long and slender. 



Thorax golden-yellow scaled, with broad central blackish 

 stripe. 



Legs black, with white bands involving both sides of some of 

 the joints, last hind tarsal white. 



Abdomen purplish black, with basal white bands. 



" $ . Head black, covered with whitish scales and a patch 

 of black ones on each side which sometimes mix with those of 

 the top. 



Proboscis long, black, slender. Palpi black, fourth segment 

 small, oblong, with an obtuse apex and one or two long bristles ; 

 antennae brownish black. 



Thorax covered with golden yellow scales, and with a blackish 

 central stripe which becomes diffused in the posterior portion ; 

 pleura dark brown, with small patches of dirty -white scales. 



Legs black, femora yellowish underneath except near the 

 apex, extreme apex white. The tibiae and second and third 

 tarsal segments of the hind legs white at both base and apex, 

 fourth and fifth tarsal segments white at the base only, while 

 the last segment is wholly white. In the front and mid tarsals 

 the bands are much reduced, the second being the only one white 

 at both ends, the others white at the base, becoming more or less 

 obsolete on the last two segments. Ungues equal on all the legs, 

 the fore and mid uniserrate, posterior simple. 



Abdomen purplish-black, with whitish bands at the base of 

 the segments, becoming broad at the sides until, beneath, it is 

 wholly white; banding irregular and very narrow or wholly 

 wanting on some segments. 



$ . Palpi black, two-thirds the length of the proboscis, the 

 two terminal segments less than half the length of the basal 

 segment ; a few short hairs towards the apex represent the fan- 

 like tufts. Antennae dark brown, the segments ringed with 

 white and the plumes greyish-brown. Fore and mid ungues 

 unequal, the larger biserrate, the smaller uniserrate, hind equal 

 and simple. 



Abdomen banded more broadly than in the female* 



VOL. IV. 2 D 



