172 



THE BUTTERFLIES OF THE 



tapering, black, each thickly set with long, divergent 



black hairs. 

 FIG. 49. The c i irysa ii s (-pig. 49) is cylindrical, but 



with a small depression on the back of the 

 thorax, abdomen with several rows of sub- 

 conic tubercles. Color pure white, marked 

 and spotted with black, or brown-black and 

 orange. 



The food-plants are Aster and Diplopappus 

 umbettatus, and the imago is to be seen in 

 June. 



New England, New York, Michigan, Wisconsin, Il- 

 linois. 



49. PHYCIODES NYCTEIS, Doub. Hew. 



Expanse of wings from 1.5 to 1.75 inches. 



Upper surface fulvous, a broad black terminal border, 

 on the fore wings broadest at the apex, enclosing a sub- 



terminal row of fulvous 

 spots, more distinct in the 

 female than in the male. 

 At the end of the cell is 

 a broad black patch con- 

 nected by a line with a 

 smaller one on the sub- 

 median vein (see Fig. 50). 



"Pio. 50. 



Phyciodes Nycteis, male (natural size). J n j ie C gH and below 



it several indistinct black 



marks, the base black, this extending outward along the 

 costa and hind margin to the black patches. 



The hind wings have the basal half marked the same 

 as the fore wings, though sometimes more suffused. 



