32 



THE CANADIAN ENTOMOLOGIST. 



in July. The wings of the male are of a brownish-black color, those 

 of the female light reddish-brown. In both sexes the wings are crossed 

 by a wavy whitish line near the middle, and a yellowish border along the 

 hinder edges. They both also have an eye-like black spot with a pale 

 bluish crescent within, near the tip of the fore wings. Near the middle 

 of each of tbe wings of the female there is an angular reddish-white spot, 

 margined with black ; these are also visible on the under side of the wings 

 of the male, but are seldom seen on the upper side. The wings of the 

 male are narrower than those of the female, and the antennae much broader. 



The female lays her eggs in clusters 

 of five or six or more together. They 

 are of a creamy- white color, with an 

 ochreous spot on the upper side, and are 

 about one-sixteenth of an inch in diame- 

 ter. They hatch towards the end of July. 

 The young larva is pale green with yel- 

 low bands and faint rows of black tuber- 

 cles. After passing the second moult it 

 appears as at a in Fig. 12. During the 

 subsequent moults the larva changes very 

 much, and when full grown it measures 

 two inches or more in length, and presents 

 the appearance shown at b in the figure. 

 It is then of a bluish-green, or sometimes 

 of a greenish-yellow color, with a whitish 

 'f bloom, and has the head, feet, and hinder 

 segments yellow. On each segment there 

 are about eight small warts or short 

 horns of a deep blue color, except the 

 two uppermost on the top of the third 

 and fourth rings, which are of a rich coral 

 red, and a long yellow one on the top of the twelfth segment. 



When full grown it selects a suitable spot from which to suspend its 

 cocoon, usually a twig of cherry, sassafras, or some other tree, on which 

 the larva feeds. The twig is first wound round with silk for about half an 

 inch on each side of the base of a leaf; the silk is then spun down around 

 the leaf stalk, so that the leaf is firmly fastened to the twig, and cannot be 

 detached without using much force. The expanded leaf is then drawn 



Fig. 12. — After Riley. 



