THE CANADIAN ENTOMOLOGIST. 



.a magnifying power of forty-five diameters. In about ten or twelve days 

 they begin to change colour, becoming darker, and very dark just before 

 the young lar>'ae are hatched. 



A\'hen fresh from the egg the larva is about one-tenth of an inch 

 long, with a large black head and with a black body roughened with 

 small brownish black tubercles. rhe second segment is elevated or 

 thickened and of a dull glossy flesh colour, with a prominent fleshy 

 tubercle on each side and a patch of white on the seventh and eighth 

 •segments, wide anteriorly, pointed behind ; there is also a dull flesh 

 •coloured streak along the back on fourth and eleventh segments. The 

 twelfth segment has a pair of fleshy tubercles rather prominent, but not 

 ■so large as those on the second ; both those on the second and twelfth 

 have sev'eral short whitish hairs arising from them. The under surface is 

 brownish black, with the feet and prolegs of the same colour. 



The full grown larva, see figure 2, taken July T4th, measured one and 

 .a half inches in length. Its head is rather large and of a reddish brown 



colour, sprinkled with very 

 short white hairs. 



The body above,green, of a 

 slightly darker shade on the 

 • anterior segments, paler on 

 the sides of the body, over which there is a whitish bloom produced by a 

 multitude of very minute white dots, with small short hairs of the same 

 ■colour issuing Irom them ; the anterior segments of the body are 

 wrinkled. On the front edoe of the second seorment is a raised vellow" 

 fold slightly overhanging the head, and on each side of the fourth 

 segment is an eye-like spot, nearly oval in shape, yellow, encircled with a 

 ring of black, centered with a small elongated blue dot, which is also set 

 in black and has above it on each side a black line nearlv crossins: the 

 yellow spot. On the hinder portion of the fifth segment is a raised 

 yellow fold, bordered behind with rich velvety black, the latter visible 

 •only when the larva is in motion ; on the terminal segment is a similar 

 fold flattened above, with a slight protuberance on each side. On the 

 fifth segment, in front of the yellow fold, are two blue dots, one on each 

 side of the dorsal line ; there are also faint traces on the hinder segments 

 of a continuation of these dots in longitudinal rows. 



The under surface is of a paler green than the upper, with a whitish 

 bloom ; prolegs of the same colour, feet tipped with brown. 





