There are about thirty genera, containing somewhat less 

 than two hundred species, which belong to this subfamily in 

 the United States. 



GENUS COL^ENIS DOUBLEDA* 



The butterflies of this genus mimic the Heliconlans in form; 

 their fore wings are long and narrow. The cell in the hind 

 wing is open. There are a number of species, two of which 

 are found in the hot parts of the Gulf States. The larvae re- 

 semble those of the genera, Dione and Euptoieta, and, like 

 them, feed on the Passifloraceae. 



(1) Colcenis Julia (Fabricius) (Julia). Plate V, <?. 



The figure on the plate obviates the necessity for a descrip- 

 tion. The insect occurs sparingly in Florida and in Texas, 

 especially about Brownsville. It is very common in Mexico, 

 and thence southward. Expanse 3 to 3.5 inches. 



(2) Colcenis delila (Fabricius), Delila. 



Imagine all the dark markings shown in the figure of Colcenis 



69 



PL. V 



