APPLE INSECTS— BUDS AND FOLIAGE 



97 



but the peculiar cjiter- 

 pillars and female moths 

 often attract the atten- 

 tion of the orchardist. 

 The male moths are pale 

 ash gray with 3 blackish- 

 brown, narrow, trans- 

 verse stripes across the 

 front wings which expand 

 nearly \\ inches ; the an- 

 tennae are strongly pec- 

 tinated (Fig. 106). The females are about 



Fig. 106. 



The half-winged geometer, male 

 moth (X Ij). 



of an inch long, 

 the hind wings reach to the second abdominal segment, and 

 the body is clothed with a mixture of black, brown and white 

 scales, the lighter scales predominating on the wings and 

 underside (Fig. 107). 



The moths emerge and go up the trees at night in March 



and April, and one fe- 

 male may lay 600 eggs. 

 The slightly egg-shaped 

 greenish eggs have a firm 

 shell covered with a net- 

 work of fine ridges form- 

 ing 6-sided areas (Fig. 

 108). The caterpillars 

 are full-grown about the 

 middle of June, when 

 they are about l\ inches 

 long, and of a general 

 violaceous-brown color 

 with a rough, black- 

 mottled head. Eight 

 pairs of narrow, irregular, 

 black stripes extend along 



Fig. 107.- 



■The half-winged geometer, female 

 moth (X 2|). 



