APPLE INSECTS — BUDS AND FOLIAGE 9l 



Fk;. !»S. — Three views of the lime-tree span-worm eiiterpillar (X Ip. 



Early in June the caterpillars are quite restless, and finally 

 go into the ground an inch or more, where they transform to 

 brown pupae (Fig. 99) in simple, earthen cells. Some of them 

 pupate in May. There is but a single generation annually, 

 the pupa stage continuing until November. 



