114 Journal New York Entomological Society. [Vol. xm. 



Genus EPARGYREUS Hubner. 

 Synopsis of Species. 



1. Hind wing without silver spots below zestos. 



Hind wing with silvery spots below 2. 



2. Silvery spot divided ; fore wing with fulvous shading at base exadeus. 



Silvery spot entire ; fore wing without fulvous shading at base tityrus. 



E. tityrus Fabricius. 



Common throughout most of the United States, the larva on 

 locust and other plants of the pea family. 

 E. exadeus Cramer. 



Reported from our southern border. 

 E. zestos Hubner. 



Occurs in southern Florida. 



Genus NASCUS Watson. 

 N. hesus Westwood & Hewitson. 



Reported from our southern border. 



Genus HETEROPIA Mabille. 

 H. melon Godman & Salvin. 



Reported from our southern border. 



Genus ACHLARUS Scudder. 

 A. lycidas Abbot & Smith. 



Occurs in the Atlantic region, the larva on certain wild plants of 



the pea family. 



Genus RHABDOIDES Scudder. 



R. cellus Boisduval & Leconte. 

 ( )ccurs in Arizona. 



Genus MURGARIA Watson. 

 M. albociliata Mabille. 



The species occurs in Arizona. I have it from the Patagonia 

 Mountains, taken by Air. Oslar. Eudamus coyote Skinner from 

 Texas is a synonym. The costal fold is present in the type, though it 

 is much narrower than in the Arizona specimens. 



Genus COGIA Butler. 



Synopsis of Species. 



I. Large, the fringe of hind wings white hippalus. 



Small, the fringe not white outis. 



C. hippalus Edwards. 

 Occurs in Arizona. 



