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Filtering by: Subject Douglas fir -- Fertilizers Creator Cowan, Bruce Dudley Degree Field Entomology

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:

Douglas-fir beetle, Dendroctonus pseudotsugae hopkins (Coleoptera: scolytidae) in western Oregon AN