GIPSY MOTH WORK IN NEW ENGLAND. 5 



factor in reducing the infestation of the gipsy moth even under our 

 adverse food-plant conditions. The most valuable species will be 

 mentioned briefly in order to give an idea of their habits. 



Fig. 1. — Anastalus bifasciatus: Adult female. Greatly enlarged. (From Howard.) 



Two species of minute hymenopterous parasites which attack the 

 eggs of the gipsy moth have become established in New England. 

 One, Anastatus bifasciatus Fonsc. (fig. 1), occurs in Europe and 

 Japan, and although only one brood of this insect is reproduced each 



FiG. 2. — Schedftis kuvanac: Adult female. Greatly enlarged. (From Howard.) 



season, it has succeeded in maintaining itself and increasing in prac- 

 tically every locality in which it has been liberated. The other 

 species, Schedius JcuvanaeHov?. (fig. 2), was imported from Japan. 



