Fig. 20. — American grape-berry moth, enlarged; shoivn natural size in lower corner. 



Fig. 21. — Grape-berry moth pupa in its 

 cocoon on flap of leaf, enlarged. 



Fig. 22. — Grape leaf showing cocoons in the 

 making and finished by grape-berry moth 

 caterpillars, natural size. 



<Tr,_ 



Fig. 23. — Thymaris slingerlandana Ashmead, a common parasite of the grape- 

 berry moth. Enlarged, the hair-line showing its natural length. 



