78 NORTH AMERICAN BUTTERFLIES. 



187. PHYCIODES NYCTEIS Doubl.-Hew. 



Silver Crescent. 



Similar in general markings and color above to P. tharos but is larg- 

 er, the eight bands on the hind wings beneath arc silvery, and mainly 

 confined to two, a basal and a central, the outer row of cresents being 

 represented by one or two at upper border of wing, and a large silver 

 crescent near the middle of the margin, fig. 30, c. Expands, 1.70 to 

 1.80. Habitat, Maine to North Carolina, and westward to the Mississ- 

 ippi valley; (rare in Massachusetts) Ontario, and Quebec. Occurs in 

 June and July. 



188. PHYCIODES CARLOTA Rear. 

 Carlota Checker. 



Similar to P. nycteis above, but with all the markings broadened, 

 nearly obscuring the reddish orange ; beneath, fore wings have more 

 black through middle, and the hind wings are rather darker brown, with 

 only two yellowish spots in the central cell. Silvery markings, as in 

 nycteis. Habitat, Southern and Western States, Rocky Mountains, 

 Montana to Oregon, and rarely in Western Virginia. 



189. PPIYCIODES VESTA Edw. 



Vesta Checker. 



Smaller than P. tharos, about same color above, but there are two 



rows of oval light spots, crossing outer half of fore wings. Fig. 31, f, and 



the lower surface is more finely banded. There is a summer form in 



which the markings are heavier. Expands, .DO to 1 . 10. Habitat, Texas. 



190. PHYCIODES PHAON Edw. 



Southern Checker. 

 Similar to P. tharos but differs in having a whitish band crossing 

 the fore wings, widest above, but showing on both surfaces. Fig. 30, d. 

 Beneath, the hind wings are paler, with the dark markings clearer, bold- 

 er, and darker. There is a dark, summer form. Expands, 1.00 to 

 1.30. Habitat, Gulf States, Texas, and occasionally Kansas. 



191. PHYCIODES THAROS Dru. 

 Little Black-bordered Butterfly. 



Plate IV, 4. 

 Above, 3-cllowish orange, both wings bordered all around, excepting 

 on lower margin of hind, with black, widest on outer margin, where is 

 enclosed, on fore wings, a single crescent near middle, and on both wings 



