Orthosia hibisci Gn 
No. 1943 
Years recorded ; 1940 - 1942 and 1944 - 1948 incl. 
Fo od Plants : Mt, Ash (12), Elm (16), Birch (9), Poplar ( 6 ), Basswood (5), Spruce ( 3 ) Cherrv (2) 
Hickory (2), Beech ( 1 ), Oak ( 1 ), Willow ( 1 ), Hemlock (1) P ’ 7 ' 2)f 
D i st ribution : Bruce, Carleton, Dufferin, Dundas, Durham, Elgin, Frontenac, Glengarry, Grey Huron 
Lambton, Leeds, Middlesex, Oxford, Perth, Renfrew, Simcoe, York and Gatineau (Que,) 
Larvae: May and June Pupae- June, July and Aug „ Adults : (May and June)* 
Nu m b er of Collections : 1 (-40), 6 (*41), 8 (»42), 3 (.44). 1 (- 45 ), 4 (»46). 6 (.47),30 ('48) r 59 
To t al _Number of Specimen s: 1 (*40), 7 (»4lJ,37 ('42), 8 (' 44 ), 1 (> 45 ), 4 ('46),12 ('47),96 ('48) = 166 
PARASITES 
Name 
Occurrence 
of parasites 
Years 
recorded 
Distribution 
Date 
emerp-Ad 
Coll 
. yielding 
Hymenoptera 
tlllD 
No. Coll 
parasi 16 
> No. larvae 
and/or pupae 
Eulophidae 
s orgygiae (Fitch) 
20 
1947 
Simcoe 
2 July'47 
1 
2 
Braconidae 
Meteorus communis (Cress.) 
1 
1942 
Carleton 
14 June'42 
1 
1 
Meteorus sp. 
1 
1948 
Huron 
7 July>48 
1 
5 
Apanteles hyphantriae Riley 
46 
1944 
Carleton 
22 June'44 
1 
1 
