106 
Drepana bilineata Pack. 
No. 4021 
Years recorded : 1941 and 1944 
Food Plant : Birch 
Distribution : Prescott and Gatineau (Que.) 
Larvae : Aug. P u P a §• Aug. 
Number of Collections : 1 (*41), 1 044) - 2 
Total Number of Specimens; 1 041), 1 (»44) s 2 
Adults ; (May) 
PARASITE 
Occurrence 
Year 
Distribution 
Date 
Name 
of parasite 
recorded 
emerged 
Diptera 
Tachinidae 
Gatineau 
17 July 
Xanthoactia palloris (Coq.) 
1 
1941 
(Que.) 
>41 
Coll.yielding 
this parasite 
No. coll 
No. larvae 
and/or pupae 
No 4Q21 a Drepana bilineata form levis Hud. 
Years recorded : 1939 and 1940 also 1944 - 1948 
Food Plant : Birch 
Distribution : Carleton, Grenville, Halton, Simcoe & Gatineau (Que.) 
Larvae : June, July , Aug , and Sept. Pupae: July, Aug., and Sept. Adul ts: (July and Aug.) 
Number of Collections : 2 ('39), 2 ('40), 1 ('44), 2 ('45), 3 (*46), 3 047), 1 ('48) - 14 
Total Number of Specimens : 2 (’39), 2 ('40), 2 («44), 2 («45), 4 (>46), 4 (*47), 1 ( ! 48) = 17 
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