824 
ANNUAL REPORT OF NEW YORK 
OAK. LEAVES. 
stripe along the middle, which is more or loss interrupted. The legs and prolegs are black. 
The yellow stripes are not prolonged upon the posterior and the two anterior rings, but are 
here often replaced by small yellow spots. The head is black. The skin is tough and 
leathery, with numerous small elevated smooth grains, of which two on the forepart of each 
sogment, placed in the yellow stripes, are larger and are sometimes elevated into small 
prickle-like points, and two others, similar to these, also occur posteriorly on each segment 
hut placed further apart. In addition to these there are six larger, black, shining, conical 
prickles in a transverse row around the middle of each ring, some of which are occasionally 
forked at their tips into two sharp points. On the second ring in place of the two upper 
prickles are two black curved cylindrical horns, equalling two of the rings in length, and 
usually standing obliquely upwards and forwards, their tips blunt and shining. The last 
segment is rough from several prickle-like points of different sizes. 
The moth is quite simple in its colors and marks, compared with its 
larva, presenting nothing to notice in addition to what has already been 
given above, except those structural characters which belong to other species 
of the genus in common with it. 
323. Spotted-winged DnYOCAMi-A, or Tiiorky oAK-wonu, Dryocampa stigma, Fabri¬ 
cating the leaves in September, a worm like the preceding, but of a 
bright tawny or orange color with a dusky stripe along its back and bands 
on its sides, and its prickles lengthened into thorn-like points; producing 
a moth with similar colors and marks, but having in addition thereto a 
slight purplish streak across the middle of its hind wings and a curved 
purple band near the base of the fore ones, and both pairs always freckled 
with blackish, its width 2.50 to 3.00, the male 1.75 and its wings ochre 
yellow. 
The skin of this worm has numerous white elevated points or granules 
of different sizes, as in the following species, but differs from that and the 
other species of this genus in not having its colors arranged in stripes, 
except the single dusky one along the back. On the hind part of each 
ring is a dusky band, which is widened at the breathing pores. The 
prickles also are longer in this than in the other species, forming thorn-like 
points, of which those of the two rows upon the back are the tenth of an 
inch long, with one, two or three smaller prickles branching from them. 
The two horns back of the neck have the same blunt shining tips as in the 
preceding species. 
The female moth has the fore wings usually of a purplish red color for¬ 
ward of the anterior band and behind the posterior one, and this color is 
frequently tinged more or less with glaucous-like gray. The anterior band 
is strongly curved, or rather, is abruptly bent slightly outside of its middle. 
This band is obliterated in many specimens. The narrow cloud-like streak 
of darker purplish red across the middle of the hind wings is sometimes 
quite distinct, and in other instances its presence can merely be discerned. 
Thus this moth sometimes can scarcely bo distinguished from the preceding. 
324. C g^."''^ , n j 0 *^ b ® RyocA " rA ’ OT O^ve-gkay oak-wokh, Dryocampa pellvcida, 
Eating the leaves in July, a two-horned prickly worm of an obscuro 
