Bui. 204, U. S. Dept. of Agriculture. 



Plate I. 





The Gipsy Moth (Porthetria dispar). 



Upper left, male moth with wings folded ; just below this, female moth with wings spread ; 

 just below this, male moth with wings spread; lower left, female moth, enlarged; top 

 center, male pupa at left, female pupa at right ; center, larva ; on branch, at top, newly 

 formed pupa; ou branch; just below this, larva ready to pupate; on branch, left side, 

 pupse ; on branch, center, egg cluster, on branch, at bottom, female moth depositing egg 

 cluster. All slightly reduced except figure at lower left. (From Howard and Fiske.) 



