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Name 
Hymenoptera 
Braconidae 
Macrocentrus instabilis 
(Mues.) 
Occurrence 
of parasite 
No. 6084 
Year recorded : 1942 
Food Plant : Elm 
Distribution : Dundas 
Larvae : June 
Number of Collections : 1 ('42) 
Total Number of Specimens : 1 (’42) 
No. 6087 
Year recorded : 1942 
Food Plant : Hickory 
Distribution : Carleton 
Larvae : June 
Number of Collections : 
1 ('42) 
Total Number of Specimens: 3 Q42) 
1948 
Oxford 
Date 
emerged 
Coll, yielding” 
this parasite 
No. larvae 
coll. 
15 July 
>48 
and/or pupae 
Arrobasis ostryella Ely. 
Pupae : June 
Adults: June 
Ar.rnhasis carvivorella Rag. 
Pupae : June 
Adults: June 
