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A second objective of the 1936 season was the testing of the larval para- 
site Micro h racon brevicomis in the Eastern States with particular emphasis on 
the area south of New York City, where the winter storage of cornstalks in ricks 
is a general practice. These ricks support a large population of overwintering 
corn "borer larvae and afford a source of "borer infestation in the spring. Seven 
colonies, totaling 28,553 adults of Microhracon hrevicornis . were released in 
1936. 
Eighteen adult females of Phaeogenes nigridens . held in cold storage over 
winter from material imported from Italy in the fall of 1937* were released in 
April 1936, when the first pupae of the season were available in the field. In 
addition, a large consignment of this parasite was received from Italy late in 
August 1936 and 3,966 adults, including both males and females, were rele.ased in 
New Jersey, bringing the total number liberated in 1936 to 4,004, 
A total of 2,489 Macrocentrus gifuensis and 182 adults of Inare Plata 
punctoria, available from domestic sources, were utilized to further the dis- 
tribution of these parasites in previously uncolonized areas. 
