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Creator:: Umble, Jon R.
Abstract:: Garden symphylans (Scutigerella immaculata Newport) are increasingly important pests of below-ground parts of over 100 crops in Oregon. The focus of our work was to improve S. immaculata management through 1) development of a bait sampling method, 2) examination of the susceptibility of selected crops to S. immaculata feeding in...
Resource Type:: Dissertation
Full Text:: Entomology 29 Abstract The influence of garden symphylan (Scutigerella immaculata Newport) root feeding

Creator:: Cacka, Joseph Francis
Resource Type:: Masters Thesis
Full Text:: enemies of the strawberry root weevil. Birds have been observed feeding on weevils (Kalmbach and

Creator:: Miller, Elizabeth A. (Elizabeth Ann)
Abstract:: Black vine weevil (BVW), Otiorhynchus sulcatus Fabricius, is a serious pest in cranberry, Vaccinium macrocarpon. Larvae feeding below the soil surface cause damage to the roots and underground stems. Knowledge is sparse in regard to the damage potential of BVW in Pacific Northwest cranberry beds. Control with insecticides is limited...
Resource Type:: Masters Thesis
Full Text:: beetle with root feeding larvae (Smith 1927). It is a somewhat cryptic species and infestations may go

Creator:: Weinzierl, Richard Alan
Resource Type:: Dissertation
Full Text:: distribution of Diabrotica species in relation to oviposition and feeding habits. Early observations on the

Creator:: Scherr, Melissa A.
Abstract:: The effect of anthropogenic disturbance on river systems is gaining attention, and concerns about the state of freshwater natural resources are increasing globally, as are efforts to restore habitat that has been degraded by disturbance. In rivers, non-point source pollution affects the physical characteristics of the habitat and the endemic...
Resource Type:: Dissertation
Full Text:: APPENDICES Appendix Page A. All taxa, tolerance values, functional feeding groups and

Creator:: Ambrosino, Mario D.
Abstract:: Four key aspects of the relationship between predatory hoverflies and the aphid pest Brevicoryne brassicae L. on broccoli were investigated in the Willamette Valley, Oregon USA: 1) the relationship between aphid density and hoverfly oviposition, 2) the larval voracity of key hoverfly species, 3) the preferences of hoverflies and broccoli...
Resource Type:: Dissertation
Full Text:: obligate feeding on nectar and pollen of hoverflies confers a strong behavioral disposition to locate

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