Mortality in artificial populations of spruce budworm under field conditions.
Catalog ID: 36765
Great Lakes Forestry Centre
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An additional record of acleris varianna Fern. from Black Spruce Club Tops.
Catalog ID: 36764
Biology of Apoidae taken in trap nests in Northwestern Ontario (Hemenoptera).
Catalog ID: 36767
Development of forest stands devastated by the spruce budworm.
Catalog ID: 36770
Field domiciles for bumblebees.
Fye, R.E.; Medler, J.T.
Catalog ID: 36756
Laurentian Forestry Centre
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Method of placing wasp trap nests in elevated locations.
Catalog ID: 36763
Predation of Lepidopteros larvae by solitary wasps.
Catalog ID: 36759
Regeneration of balsam fir and spruce about 15 years after release by spruce budworm attack.
Fye, R.E.; Thomas, J.B.
Catalog ID: 36760
The biology of the Vespidae, Pompilidae, and Sphecidae (Hymenoptera) from trap nests in Northwestern Ontario.
Catalog ID: 36766
The effect of forest disturbances on populations of wasps and bees in Northwestern Ontario (Hymenoptera: aculeata).
Catalog ID: 36769
The occupants of wasp trap nests in the Black Sturgeon Lake are of Ontario.
Catalog ID: 36762
The status of the spruce budworm in the Black Sturgeon Lake region of Ontario.
Catalog ID: 36761
Sphaerularia bombi Duford parasitizing Bombus queens in Northwestern Ontario.
Catalog ID: 36768