Dec. 1902.] 



Dyar : Larv.e of North American Culicid.^. 1*.»7 



Aedes fuscus Osten Sacken. 



^t^^re /.—Head rounded, darkly infuscated, antennae proportion- 

 ately large, slightly tapered, with long terminal hairs ; tuft a little 

 before the middle, slight. Body hairs few and weak. Tube with the 

 tip darkly infuscated, the basal two thirds colorless with a small sparse 

 double pecten. Anal segment with a small, dark, oval dorsal plate 

 and terminal brush ; no ventral hairs. Comb of six spines in a straight 



transverse row. 



Sta^re //.—Head paler brown than before, the terminal antennal 

 hairJ shorter; tuft at the middle. Body hairs stouter and more 

 numerous. Tube completely infuscated, conic tapered, rather less 

 than two and a half times as long as wide, with double posterior basal 

 pecten, not followed by any visible tuft. Anal segment dorsally plated 

 as before but with a small ventral brush arising from the barred area. 

 Comb of about nine spines in an irregular transverse row. 



^f^-^^, ///_Head about as before, the outer half of the antennae 

 infuscated, the basal half pale, tuft at the middle. Body hairs quite 

 stout moderate, the posterior abdominal ones single. Tube light 

 brown Dorsal plate of anal segment larger, the ventral brush also 

 larger and with some small tufts before the barred area. Comb a little 

 larger, having ten to twelve spines. 



Sf^^^re /F— (PI. XVn, Fig. I.) Head pale brown; antennae 

 slender,\lightly tapering, the outer half darker; tuft a little before 

 the middle, not long enough to reach to the end, slight. Body hairs 

 moderate, stout, not long, the thoracic ones slightly barbuled, the pos- 

 terior abdominal ones single. Tube longer, about three times as long 

 as wide, a double posterior pecten of pale, single-toothed spines (Fig. 

 I ^) the last three larger and remote, followed by a rudimentary tuft. 

 \nal segment broadly plated, reaching to the middle of the sides or a 

 little below ; tuft and brush normal, the latter with small tufts before 

 the barred area. Anal finger-shaped processes long, narrowly taper- 



^'''"J>l^'^._Normal, small, the air tube cylindrical, slightly bent but 

 not windened into funnel shape. 



Culex sollicitans Walker. 



Sta^re /F. — (PI. XVII, Fig. 2.) Head rather dark brown, the 

 antennee slender, slightly tapered, with the tuft at the middle of the 

 joint Body hairs rather stout and short from infuscated basal tuber- 



