Genus Culicada. 



331 



base of the segments except the fifth one on the anterior feet ; 

 posterior tarsals with broad basal bands of pure white. 



Ungues all uniserrated. 



Abdomen blackish-brown with pale yellowish bands at the 

 base of the segments and extremely narrow apical ones at the 



Fig. 120. 



Culex sizjhonalis. Grossbeck. 



a, Spines of siphon ; b, spine of 8th segment ; c, siphon and anal segment ; 

 d, labial plate ; e, antenna (Smith). 



base of the posterior three segments, irregularly merging into 

 the brown, becoming diffused at the sides until, beneath, the 

 scales are mixed together indiscriminately, the white ones pre- 

 dominating. 



$ . Palpi brownish, with a pale band in the centre of the 

 basal segment and at the two terminal ones, fan-like tufts dense, 

 silky brown in colour. The claws of anterior tarsal joint are 

 very stout, unequal in size, and each with a large median tooth ; 

 those of the mid tarsal joint are unequal, the larger long and 

 slender with a long blunt tooth one-third its length from the 

 base, the smaller with a median tooth near the base ; posterior 

 claws equal, each with a median tooth near base. 



Length. — 5 to 6 mm. 



