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No. 1154 A cronicta le po r lna L. 
Years recorded ; 1945, 1946 and 1948 
Food Pla nts° Birch (6), and Poplar (6) 
Distribution : Bruce. Durham, Grey, Halton. Hastings, Peterborough, Simcoe, Victoria and^ielland 
larvae : July and Aug. PuESS.: Au S- and ^P 4 - Multe: (June)* 
Number of Collection s: 3 ( 45), 5 ( 46), 4 ( 48) - 12 
Tot al Nu mber of Specimen s 3 ( 45), 7 (’46), 5 ( s 48) - 15_____ 
PARASITES 
_ Name 
Di pter a 
T achinidae 
Tachinomyia nigricans 
(Webb.) 
Hymenoptera 
Ichneumonidae 
Therion fuscipenne (Nort.) 
Aphanistes sp. 
Occurrence 
of parasites 
Years 
recorded 
1 
1 
1946 
Distribution 
Date 
emerged 
Colic yielding 
this parasite 
Durham 
(Mar,*47) 
1948 
1946 
Welland 
Bruce 
(Mar.*48) 
(Mar.*47) 
No. larvae 
and/or pupae 
1 
1 
1 
1 
Acronicta inn otata Gn 
No. 1155 
Years re corde d; 1944 — 1948 incl° 
Fo od Pla nts BIRCH 
Distributi on: Bruce, Carleton, Elgin, Frontenac, Halton. Lambton, Norfolk, Welland 
L arva e: July, tog and Sept. Pufiae: July, Aug. Seat, and Oct. Adults: (May and June)* 
Number of Collections: 3 (*44), 2 (‘IS), 6 (’46), 1 ( ! 47), 3 ( 48) - 15 
Total Numb er o f Speci mens: 3 ("41), 2 ( 45) , 6 ( " 46 ), 1 ( 1 47) \ 
