APPLE INSECTS— BUDS AND FOLIAGE 



87 



and sometimes many, of the moths do not 

 emerge until spring. The male moths 

 are about the same size and resemble 

 much those of the spring canker-worm, 

 but their wings are of a darker smoky 

 or brownish-gray color ; the fore wings 



Fig. 89. — Fall 

 canker-worm moths 

 laying eggs. Knight 

 photo (X 2). 



Fig. 90. — Portion of an egg-mass of the fall 

 canker-worm, greatly enlarged. 



have a distinct whitish spot on the front edge near the tip 

 (Fig. 87). The wingless female moths are nearly J an inch 

 in length and of a uniform brown- 

 ish-ash color (Fig. 88). There 

 are no spines on the bodies of 



either the male 



or female fall 



c a n k e r-w o r m 



moths. The dark 



grayish eggs re- 



sem])le tiny 



flower-pots or in- 

 ■piG. 91.— Eggs of verted truncated 



the fall canker-worm, cones, the flat- 

 side view, greatly en- 



larged. tened steel-gray 



Fig. 92. — Fall canker-worm, 

 full-grown caterpillar (X 2). 



