42 



INSECTS AFFECTING THE APPLE. 



The Apple-tree Tent Caterpillar. 



< Usiocampa americana. 



One often finds in May or June, on the limbs of 

 apple and wild cherry trees, compact silken nests, or 

 tents, containing a considerable number of handsome 

 caterpillars. These are the insects which have been 



,vV' V A^ 



Fi«. 14. Tent Caterpillar : a, 6, larva ; c, eggs, with covering 

 removed; d, cocoon; e, eggs, with covering on. 



known for many years as Tent Caterpillars. The 

 eggs are deposited during July, in compact masses of 



