BOMBYCIU.E. 



301 



spicnous webs placed in negleeted apple trees and on the wdd 

 XT TUe eggs ave laid on the twigs, in bunehes of from 

 300 to 400, placed side by side and covered w,tl. a tongh 

 gl^; matti; they are sometimes infested by chalcd para- 



"The larva, of C. A,nericana Harris !>»*<= V"' /"f .fe col' 

 leaves are unfolding and soon form a web, under wh.eh the col- 

 ony Uves. They may be destroyed by previously seavclung 

 Ztie bunehes of eggs on the twigs before the *- >s ea^-ed 

 out and the caterpillars maybe killed with a brush or mop 

 d ted into strong soap-suds, or a weak solution of Pe— ^ 

 Tl,e larva, become full grown about the m.dd c of June tten 

 spin their dense white cocoons, under the bark of trees, etc., 

 and the moths appear about the 

 first of July. The larva of C. 

 Americana is about two inches 

 long, hairy, with a dorsal white 

 stripe, with numerous fine crin- 

 kled black lines on a yellow 

 ground, united below into a 

 common black band, with a blue 

 spot on the side of each ring. 

 The moth (Fig. 232, and larva) 

 is reddish brown, with two oblique, dirty white hues on the 

 fore win-s. It expands from an inch and a quarter to an inch 

 and a hllf. The Forest Tent caterpillar, C. disstria Hiibner 

 (C sylvatica Harris) differs in the apex of the fore wings 

 bein/much longer, with two transverse rust brown, nearly 

 straight, parallel lines. It is sometimes destructive to the 



apple and oak trees. i, • ^ 



The Hepicdi are a group of boring moths, the larvae boring 

 in the stems of plants or in trees. The wings are narrow, bo h 

 pairs being very equal in size, and show a tendency to recur to 

 the net-veined style of venation of the Neuroptera ^^?//-;-;! 

 a laro-e moth, with a stout vein passing through the middle of 

 the dFscal space, and the short antenna, have two rows of short 

 teeth on the under side. X. roMnicB Peck is gray, with me u- 

 lar black lines and dots on the wings, and a black hne on the 

 inside of the shoulder tippets. The hind wings of the male 



Fig. 2»2. 



