PL. LXXXII1 



mark on the fore wing of the male near the costa. Expanse 

 1.15 inch. 



The caterpillar feeds upon the young leaves of various 

 kinds of oak. The species ranges from Quebec westward to 

 Colorado and is not uncommon in New England, New York, 

 and western Pennsylvania. 



(10) Thecla acadica Edwards, Plate LXXXIII, Fig. 3, <? 

 (The Acadian Hair-streak). 



The wings on the under side are pale wood-brown, with a 

 black bar at the end of the cells, and submarginal and median 

 bands of small black spots surrounded with white; on the hind 

 wings there is a submarginal row of red crescents, growing 

 smaller from the anal angle toward the outer angle. Near the 

 anal angle are two conspicuous black spots separated by 

 a broad patch of bluish green scales. Expanse 1.15-1.25 

 inch. 



The caterpillar feeds upon willows. The insect ranges from 

 Quebec to Vancouver Island. 



(11) Thecla calanus Hiibner, Plate LXXXIV, Fig. 1, cT 

 (The Banded Hair-streak). 



153 



