CLASSIFICATION OF THE MOSQUITOES 235 



for which it must be distinctly iiiiderstood Mr. Coqnillett 

 is responsible, and for which I owe him man}^ thanks, will 

 probably enable those who are at all in earnest in the 

 matter to distingnish our species without great difficulty. 



I. — Generic Synopsis. 



The following table contain^; all the genera of the long-beaked 

 mosquitoes known to occur in North America. The males are 

 readily I'ecognized by the aLntennse being densely covered with 

 long hairs ; in the females the hairs of the antennjB 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 . 3 

 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 Anopheles. 



Prt)boseis very strongly curved, colors bluish or greenish. 



Meyarlnnus. 



3. Legs bearing many nearly erect scales Psoiojihora. 



Legs destitute of such scales 4 



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



straight 5 



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

 (Theobald) ToxorhyncMtes. 



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



biild) Ste(jomyia. 



Thorax not marked in this way G 



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



Ixild) Conchy I tastes. 



Hind feet not marked like this CnJe.v. 



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

 Upper side of thorax not marked in this way Aedes. 



