3^6 



agriculTlral experiment station. 



with white at the apex of the segments. This character occurs 

 only in one (jther of onr species, C. discolor, and that has spotted 

 Aving-s. 



Description of flic Adult. 



This is one of tlie smallest species of the genus Citlcx, and a 

 very delicate looking mosquito. In length it is 4.5—7 mm., = 

 .18-.20 of an inch, exclusive of the beak, which is 2 mm. long. 

 The head is dark brown with scattered whitish scales ; the pro- 

 boscis is brown, darker toward the apex, without marks or rings. 



Figure 102. 



Citlex terrilans: adult female: enlarged. ("Original.) 



The palpi in the female are brown, shape and position of terminal 

 joint as in C. pipiois, save that the third joint is swollen toward 

 the tip. In the male the palpi are Ijlackish, the basal joint almost 

 reaching the tip of the proboscis, the two terminal ones short, the 

 apical slightly shorter than the central one. They are slender in 

 form, not dilated, precisely as in C. uiclamirns, the figure of wdiich 

 answers perfectly for territans. The antennae of both sexes are 

 brown, the plumes of the male ])aler. 



The thorax is evenly brown without spiny clothing, though 

 the sides are fringed with long, black, curved hairs. The pleura 



