Bui. 1028, U. S. Dept. of Agriculture. 
Plate II 
i 
APANTELES MELANOSCELUS. 
A, Hibernating cocoons on board found in Melrose, Mass., 1917: B, first-generation cocoons on 
branch collected at Quiney, Mass., 1920: C, first-generation cocoons on branch collected at Mel- 
rose, Mass., 1916: D, first-generation cocoons on branch collected at Quiney, Mass.. 1920: E, 
third-stage maggot two-thirds of its way out of fourth-stage gipsy-moth larva; F. third-stage 
maggot dissected from host, anal vesicle "still evaginated. 
