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Ichthyura albosigma Fitch No. 3827 
Years recorded ; 1940, 1944, 1945, 1946, 1948 
Food Plant ; Poplar 
Distribution ; Lennox and Addington, Carleton, Durham, Peterborough and Gatineau (Que,) 
Larvae; June , July and Sept. Pupae ; July and Sept. Adults ; Jul y also (Aug,)* 
Number of Collection s; 1 (’40), 1 (’44), 1 (»45), 1 (*46), 1 (’48) » 5 
Total Number of Specimens ; 1 ( ! 40), 1 (’44), 1 ( s 45), 1 (’46), 1 (’48) - 5 
Datana ministra Dru. 
No, 3829 
Years recorded ; 1938 - 1948 incl. 
Food Plants; Elm (44), Birch (11L Basswood (9). Hawthorn (9). Oak (8)„ Walnut ffiK Willow (4), 
Hickory (3), Apple (2), Beech (2), Maple (2), Ironwood (2) Cherry (l), Butternut (l) 
Distributio n; Carleton Dufferin, Durham, Elgin, Essex, Frontenac, Grenville, Haliburton, Halton, 
Hastings, Kent, Lambton, Lanark, Lennox and Addington, Middlesex, Northumberland, Oxford, 
Prince Edward, Renfrew, Simcoe, Victoria, Waterloo, Welland, Wellington, York and 
Gatineau (Que.) 
Infestation ; 1941 light in Halton and York 
1943 medium in Haliburton and Durham, light or heavy in Simcoe 
1945 heavy in Simcoe 
1948 heavy in Carleton, medium in Elgin, light to heavy in Kent, light to medium in 
Middlesex, light in Essex, Lambton, Waterloo and Wellington. 
Larvae s July, Aug , and Sept. Pupae ; Aug, and Sept. Oct. Adults; (June and July) 5 * 
Number of Collection s; 4 (’38), 3 (’39), 1 (’40), 1 (’41), 2 (42), 7 (’43), 13 (’44), 12 (’45), 
33 (*46), 6 (’47),22 (’48) = 104 
Total Number of Specimens ; 81 (’38),24 (’39), 14 (’40), 32 (’41), 51 (»42),121(*43),177(*44),519(»45), 
lllr(’46),54("47) e 173(*48) - 2357 
X 
200 larvae preserved ,^405 preserved 
Cont’d on next page 
