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Notable depredations by forest insects

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Department of Agriculture
Abstract:: Reprint from Yearbook of Department of Agriculture for 1907.
Resource Type:: Journal
Full Text:: Charge of Forest Insect Investigations, Bureau of Entomology. [REPRINT FROM YEARBOOK OF DEPARTMENT OF

Some results of forest and shelterbelt projects in Europe

Creator:: Mickel, George E.
Resource Type:: Undergraduate Thesis
Full Text:: Some results of forest and shelterbelt projects in Europe

Insect enemies of forest reproduction

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Department of Agriculture
Abstract:: Reprint from Yearbook of Department of Agriculture for 1905.
Resource Type:: Journal
Full Text:: INSECT ENEMIES OF FOREST REPRODUCTION. BY A. D. HOPKINS, In

The relation of slash to insect infestation

Creator:: Hopping, George R.
Resource Type:: Undergraduate Thesis
Full Text:: Forest Insects cf Central Europe. Craighead, F.C., Direct Sunlight as a Factor in Forest Insect Control

Fungi to control forest insect

Creator:: Fretwell, Lloyd
Resource Type:: Undergraduate Thesis
Full Text:: Fungi to control forest insect Fungi to Control Forest

The biology of the balsam woolly aphid, Chermes piceae Ratz., in Oregon and Washington and the identification and evaluation of its native predators

Creator:: Mitchell, Russel Gene
Resource Type:: Dissertation
Full Text:: ACKNOWLEDGMENTS Acknowled~nts should first be made to the Pacific Northwest Forest and Range EXperiment

A biological and developmental study of Coeloides brunneri Vier. : a parasite of the Douglas-fir beetle, Dendroctonus pseudotsugae Hopk.

Creator:: Ryan, Roger B.
Resource Type:: Dissertation
Full Text:: of this insect and of its natural eneries. Still, the study of' the complex interrelationships

The biologies of predators (Coleoptera: Cleridae) of the Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins (Coleoptera : Scolytidae), in western Oregon

Creator:: Cowan, Bruce Dudley
Abstract:: Six species of Cleridae, including Enoclerus spegeus Fabricius, E. lecontei Wolcott, E. schaefferi (Barr), E. eximius Mannerheim, Thanasimus undatulus Say, and an undescribed species of Enoclerus, were found on Douglas-fir in western Oregon. E. sphegeus was the only clerid of the six species studied which was primarily associated with the...
Resource Type:: Masters Thesis
Full Text:: . Kline and Rudinsky (1964) stated, "Because of its abundance and apparent aggressiveness, this insect

Foraging ecology of pollinators in the early stages of secondary succession in the western hemlock (Tsuga heteropohylla (Raf.) Sarg.) zone of the Oregon Coast Range

Creator:: Burikam, Intawat
Abstract:: The early stages of secondary succession of the McDonald and Paul Dunn State Forests, Corvallis, Oregon, were grouped into three stages; herb, herb-shrub, and shrub, based on vegetation types. Flowers of herbaceous species and residual shrubs dominated in the early years after clear-cutting. Woody plants became increasing abundant in the...
Resource Type:: Dissertation
Full Text:: to early summer and late summer flowering peaks, respectively. Insect pollinators partitioned

On the study of forest entomology in America

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Conference Proceeding
Full Text:: forest officials there are required to have special training in the study of insect enemies and methods

ScholarsArchive@OSU

Notable depredations by forest insects

Some results of forest and shelterbelt projects in Europe

Insect enemies of forest reproduction

The relation of slash to insect infestation

Fungi to control forest insect

The biology of the balsam woolly aphid, Chermes piceae Ratz., in Oregon and Washington and the identification and evaluation of its native predators

A biological and developmental study of Coeloides brunneri Vier. : a parasite of the Douglas-fir beetle, Dendroctonus pseudotsugae Hopk.

The biologies of predators (Coleoptera: Cleridae) of the Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins (Coleoptera : Scolytidae), in western Oregon

Foraging ecology of pollinators in the early stages of secondary succession in the western hemlock (Tsuga heteropohylla (Raf.) Sarg.) zone of the Oregon Coast Range

On the study of forest entomology in America

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