GLASSIFICATTON OF THE 3I0SQUIT0ES 235 



for which it must be distinctly understood Mr. Coquillett 

 is responsible, and for which I owe him many thanks, will 

 probably enable those who are at all in earnest in the 

 matter to distinguish our species without e^reat difficulty. 



I. — Gexertc Syxopsis. 



The following: taljle contains all the genera of the long-beaked 

 mosquitoes known to occur in North America. The males are 

 readily recognized by the antenna being densely covered with 

 long hairs ; in the females the hairs of the antennae are short 

 and very sparse : 



1. Palpi in the male at least nearly as long as the proboscis ; in 



the female less than one-half as long 3 



Palpi in both sexes at least almost as long as the proboscis , 2 

 Palpi in both sexes less than one-half as long as the pro- 

 boscis 7 



2. Proboscis straight or nearly so, colors of body brown and yel- 



lowish AnojjJieles. 



Proboscis very strongly curved, colors bluish or greenish. 



3fe(jarhimis. 



3. Legs bearing many nearly erect scales Psorojyhora. 



Legs destitute of such scales 4 



4. Colors, black, brown and yellowish, proboscis almost 



straight 5 



" Colors, green and bluish, proboscis very strongly curved " 

 (Theobald) Toxorhijnclutes. 



5. "Thorax marked with lines of silvery scales" (Theo- 



bald) Sttyomyia. 



Thorax not marked in this way G 



6. " Hind feet black, their apices snow white'' (Theo- 



bald) (JonchyJlastes. 



Hind feet not marked like this Ciile.v. 



7. Upper side of thorax with line of bluish scales. . UranoUvnid. 

 Upper side of thorax not niarkcci in this way AMes. 



