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Filtering by: Creator Hard, John S. Subject Aspen -- Diseases and pests -- North Dakota -- Turtle Mountains

Potential defoliation by the forest tent caterpillar in the Turtle Mountains, North Dakota during 1979

Creator:

Tunnock, Scott, Hard, John S., Karch, Tom, and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

The forest tent caterpillar, Malacosoma disstria Hbn., began defoliating trembling aspen stands, Populus tremuloides Michx., in 1976 in the Turtle Mountains of North Dakota. Heavy defoliation was scattered through about 150,000 acres in 1978. Pupal mortality from parasites and disease was almost 100 percent in cocoons on understory shrubs and...

Resource Type:

Technical Report