BUTTERFLIES OF MAINE. 59 
29. PYRAMEIS CARDUI, L. 
Py-ra-me’-is car’-du-t. 
Expanse of wings, two and three-fourtis inches. 
Upper side of wings, with color and markings very much 
like P. huntera. Under side of hind wings, marbled, a 
white spot on the middle of the wing, and a row of four or 
five eye-like spots near the outer margin. 
This insect is double-brooded, and hibernates in the perfect 
state, reviving in May, and depositing its eggs on the leaves 
of thistles, burdock and sunflower, hatching in six or eight 
days, when the young conceals itself in a curled leaf. The 
mature larva is an inch and one-fourth long, with a black 
head, or reddish in some examples, sprinkled with fine 
whitish hairs, and a few small black tubercles. The body is 
grayish brown, variegated with yellow and black. The 
second, third, fourth, fifth, and last sezments are black, with 
many whitish dots. A broken stripe along the back, white 
in front, yellow behind. The second segment is without 
spines, but is covered with fine, whitish hairs. The third 
and fourth segments have four spines each; the others have 
seven each, except the last, which has two pairs, placed one 
behind the other. The spines are much branched, and vary 
in color from yellowish to brownish white, tipped with black ; 
base of spines along the sides of the body, from fifth to 
twelfth segments, of a reddish orange color. Body thickly 
sprinkled with fine whitish hairs, arising from minute white 
or yellow dots; a pale yellowish broken stripe on each side 
close to the under surface. 
