MOSQUITO BIOLOGY 53 



white ring at center of beak, legs ringed with moderate white bands at 

 bases of tarsal joints; last joint of hind feet entirely white. Worn 

 specimen might be taken for undersized A. sollicitans, but has no longi- 

 tudinal stripe on abdomen. 



DESCRIPTION OF THE ADULT 



Small, between 4-5 mm. (.16-.20 inch), exclusive of beak, which is 

 about 2.4 mm. long. Head dark brown, few yellowish scales, which some- 

 times make diffused patch in angle formed by eyes ; proboscis blackish 

 brown with creamy white ring at about center, slightly nearer base. 

 Palpi in female brown, become blacker distally, extreme tips pure white ; 

 terminal joint small, almost rounded, covered with short, fine spines. 

 In male, palpi shaped something like those of sollicitans, but not so 

 robust, terminal joint shorter; black, with narrow white rings at base 

 of two terminal joints; wider yellowish ring in center of basal joint. 

 Fan-like tufts brown with yellow sheen. Antennae brown in both sexes, 

 plumes in the male pale brown. 



Thorax brown, darker laterally, some yellowish scales over surface ; 

 pleura, brown with patches of dirty white scales. Femora black above. 



Fig. xvr. Adult of small salt marsh mosquito. Aides taeniorhynchus Wied. 

 (After John B. Smith.) 1, adult female; 2, anterior claws; 3, anterior, 4, 

 median and 5, posterior claws of male (all much enlarged). 



