286 



APPLIED ENTOMOLOGY 



The caterpillar is about two inches long when full-grown, with a rather wide 

 reddish-brown stripe edged with white below, on each side of the body. It 

 has many spines which branch, the branches being tipped with black. Touching 



FIG. 301. Luna Moth (Tropaea luna L.), slightly over half natural size. 



N. Y. State Mus. Mem. 8.) 



(From Felt, 



the caterpillars produces a nettling of the skin, due to poison conveyed through 

 the tips of the spines. The larvse feed on fruit, forest'and shade-trees and usually 

 make their cocoons among leaves on the ground. 



FIG. 302. Female Io Moth (Automeris io Fab.), about two-thirds natural size. 

 Felt, N. Y. State Mus. Mem. 8.) 



(From 



There are quite a number of kinds of Giant Silkworms, the family being 

 represented in all parts of the country. One generation a year; the moths appear- 

 ing earlier or later in the spring according to the length of the season; the larvae 



