121 
Dryocampa pellucida, S. & A. 
The larva is variable in color, being of a pea-green, a grayish or 
vellow-green or blackish. Body covered with small peaily-white gran¬ 
ules or points. A narrow blackish dorsal line and a dusky or brown¬ 
ish stripe each side. On each side is a whitish streak m the lower 
margin of which the stomata are situated. On each segment are 
six black spines the dorsal ones sometimes being replaced by black 
dots. Two long black horns on the second segment pointing for- 
* W ard. Head and true legs, dull yellow; pro-legs black with white 
points. Length, two inches. 
Feeds on the Oak. 
Dryocampa rubicunda, Fabr. 
The color of this larva is 
also variable, usually of a 
pale yellowish-green above 
with seven darker green lon¬ 
gitudinal stripes, the medio- 
dorsal one being the darkest. 
Segments, two, has two blunt 
black horns projecting for¬ 
ward ; two lateral rows of 
shorter spines, one above 
the stigmatal line, pointing 
backward, most prominent 
on segments 10 and 11 
which are here somewhat 
dilated and rose red. The 
dorsal spines are small and 
Fig. 34.-Dryocampa rubicunda. Moth, pupa, larva, black, being most prominent 
on segments 11 and 12. Stomata oval, black with a pale cential 
line. Venter, deep green or blackish with a pale central line. Legs, 
greenish or yellowish marked with black. Length 1^- inches. 
Feeds on Soft Maple and Oak. 
E acres imperialis. Hiibner. 
The color of the larva varies from brown to green and is clothed 
with gray hairs. There are are six rows of spinous tubercles, tvo 
dorsal, two lateral, and two sub-lateral, which are greenish white or 
yellow, conical and end in two or three short black prickles. The 
dorsal pairs of tubercles on segments two and three are nearly a 
quarter of an inch in length, curved backward, and are of a deeper 
yellow color than the others. The anal shield and plates on anal 
pro-legs black, with numerous raised yellow or orange colored dots. 
Head, varying from light yellow to dark brown. Stomata oval, dark, 
margined with yellow. Length about 3 inches. 
It feeds on Sycamore or Button-wood, Oak, Liquidamber, Pme, 
Maple and Juniper. 
