Foliage and catkin insects of trembling aspen, Populus tremuloides Michx./ and their parasites in northwestern Ontario.
Smereka, E.P.; Rose, A.H.
Catalog ID: 35237
Great Lakes Forestry Centre
Availability: PDF (download)
View full record
The occupants of wasp trap nests in the Black Sturgeon Lake are of Ontario.
Catalog ID: 36762
Availability: PDF (request by e-mail)