THE ARGYNNIS BUTTKB FLIES. 
285 
on these plants ivo may expect to find the caterpillars of our 
native species, which as yet are mostly unknown, in the 
months of May, June, and July. 
Argynnis Idalia, Drury. Idalia Butterfly. (Fig. 110.) 
Fore wings deep tawny orange, spotted with black, and 
with a broad black hind border, around which, in the fe- 
males, is a row of white spots ; hind wings blue-black above, 
Fig. no. 
with two rows of spots behind, both of which in the female 
are cream-colored, but in the males the spots of the outer 
row are deep tawny orange ; all the wings on the under 
side have a row of pearly-white crescents within the black 
border ; and on the hind wings, which are brown, are seven- 
teen more pearly-white spots ; the fringes of all the wings 
are spotted with white. 
Expands from SJ to SiJ inches or more. 
This large and fine butterfly is found in meadows in the 
latter part of July and beginning of August. 
Argynnis Aphrodite , Fabricius. Aphrodite Butterfly. (Fig. 111.) 
Wings tawny-yellow in the males, ochre-yellow in the 
females, in both brownish next to the body, with a black line 
near the hinder margins, within which is a row of black 
crescents, and within the latter is a row of round black 
