202 
MOTHS AND BUTTERFLIES. 
side is prettily marked with wavy white lines, the outer line of both 
wings being edged externally with black crescents. A black spot is 
situated on the lower wings between the base of the tails, and another 
Thecla strigosa. 
one at the inner angle. Between these two is the usual blue gray 
spot. A row of orange red crescents, gradually becoming smaller 
toward the upper part, extends above these spots from the inner 
Tliecla strigosa. Under side. 
angle toward the upper angle of the wing. The thorax is gray, and 
the legs grayish white, the abdomen being yellowish white. Packard 
says that the larva is downy and of a rich velvety green, obliquely 
striped on the sides with faint jmllow lines, and that it feeds on the 
thorn. 
I have captured a few specimens of this butterfly in Massa¬ 
chusetts late in July, and have had others sent me from Canada. 
This insect inhabits the eastern half of the country. Those that I 
found were among low shrubs and bushes and often in company 
with Tliecla calanus, though they were much more shy, and when 
alarmed flew rapidly away and were seldom seen again. The white 
lines on the under side render the insect quite easily identified 
from the other butterflies with which it is likely to be found, 
and one may move cautiously about where they are feeding or 
