208 THE CANADIAN ENTOMOLOGIST. 



After 2nd Moult. — Length .35 inch. Color pale green with a slight 

 brownish tinge, the dorsal, sub-dorsal and stigmatal lines without this 

 tinge. Piliferous spots as before in position and color, a black hair from 

 each. There is a dark oblique shade on the dorsum through the piliferous 

 spots a little above the sub-dorsal line. Head brown, pale above the 

 mouth ; joint i a little yellowish above with four spots and hairs in front 

 of the regular row. Duration of this period, 3 to 4 days. 



After 3rd Moult. — Length .55 inch. Color of the dorsum drab with 

 a narrow dorsal line a little more distinct than the rest, the dorsal space 

 finely mottled with dull green, the dark shade along the piliferous spots 

 about the same as in the last period. Sides dull green mottled with drab 

 or pale ochre. Sub-dorsal line moderately distinct, the sub-stigmatal line 

 a series of elongate, somewhat lunate spots. The lower half of the sub- 

 dorsal space paler than the upper half. Piliferous spots as before. Head 

 very pale brownish except the upper half of the cheeks, which are brown- 

 ish black ; jaws and ocelli dark brown. Duration of this period, 3 days. 



After 4th Moult.-— Length .75 inch. Color of dorsum yellowish drab, 

 a whitish dorsal line bordered each side with a blackish line not very dis- 

 tinct. The oblique blackish shade along the course of the piliferous spots 

 is prominent, reaching the border to the dorsal line. Sides grayish green 

 the merest trace of a sub-dorsal line on some of the anterior joints, The 

 region of the sub-stigmatal line yellowish green instead of grayish. Stig-i 

 mata black, the space in the immediate vicinity of each a little yellowish. 

 "Venter and sub-stigmatal space green. Piliferous spots as in the last 

 period. Head of nearly a nankeen color, the front of the cheeks dark 

 brown, the sides mottled. Top of joint i brownish. Duration of this 

 period, 5 days. 



After 5th Moult. — Length from .90 to i.oo inch. Color above to near 

 the stigmata greasy blackish gray, with a yellowish drab oblique mark on 

 each joint outside the dorsal piliferous spots, each mark broadest pos- 

 teriorly and mottled a little with the ground color. On some there is no 

 trace of dorsal and sub-dorsal lines, except on the cervical shield. Sub- 

 stigmatal line pale gray, faintly yellowish. Venter pale greenish gray. 

 Head pale greenish gray, slightly brownish on some, more or less dark 

 brown on the cheeks, this mottled outside. 



Mature Larva. — Length 1.35 inches, width of head .10 inch, of middle 

 of body .20 inch. As the time of pupating approaches the colors are 



