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Creator:: Blood, Rachel A.
Abstract:: Spotted-wing drosophila (SWD, Drosophila suzukii) is an invasive fruit fly species native of Southeast Asia. In vineyards, SWD lays eggs in damaged and intact fruit of the most soft-skinned varieties, and feeds on damaged fruits during the harvest period. Feeding and oviposition activities increase the likelihood of vectoring spoilage bacteria,...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ Vaughn Walton Spotted-wing drosophila (SWD, Drosophila suzukii) is an invasive fruit fly

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:: Abstract approved: ___________________________ Vaughn M. Walton Abstract Black vine weevil

Creator:: Gadino, Angela Noelle
Abstract:: The predatory mite Typhlodromus pyri (Acari: Phytoseiidae) is the predominant species in cool climate Pacific Northwest vineyards and a principal predator of pest mites including the grapevine rust mite Calepitrimerus vitis (Acari: Eriophyidae). In recent years vineyards have been experiencing C. vitis population outbreaks leading to increased economic damage from...
Resource Type:: Dissertation
Full Text:: to express my sincere thanks to Dr. Vaughn Walton, for his endless support, guidance and for always

Creator:: Tochen, Samantha
Abstract:: Drosophila suzukii (Diptera: Drosophilidae), a pest of thin-skinned fruits, has been detected worldwide recently, with new locations of establishment determined annually since it first became a concern on continental North America in 2008. Drosophila suzukii females are different from most other drosophilids as being one of two known species capable...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Vaughn M. Walton Drosophila suzukii (Diptera: Drosophilidae), a pest of thin-skinned

Creator:: Hedstrom, Christopher
Abstract:: BACKGROUND: Oregon produces 99% of the hazelnuts grown in the United States. The key pest threatening commercial hazelnut orchards in Oregon is Cydia latiferreana (Tortricidae), filbertworm moth (FBW). Currently, most growers control FBW with one to two applications of esfenvalerate (Asana XL), a broad spectrum pyrethroid. Pheromone mating disruption is...
Resource Type:: Undergraduate Thesis and Presentation

Creator:: Hedstrom, Christopher S.
Abstract:: Halyomorpha halys (brown marmorated stink bug, Hemiptera: Pentatomidae), an invasive insect pest, has established populations in the Willamette Valley of Oregon. Halyomorpha halys is a potential pest of many specialty crops in the Willamette Valley, including hazelnuts (Corylus avellana L.). The objectives of this study were to 1) characterize the...
Resource Type:: Masters Thesis
Full Text:: (Corylus avellana L.) Abstract approved: Vaughn M. Walton Halyomorpha halys (brown marmorated

Creator:: Maslen, Erika A.
Abstract:: Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) is an invasive insect pest that has become established and problematic in the Pacific Northwest. Known colloquially as the brown marmorated stink bug (BMSB), H. halys causes direct damage through feeding activity on a wide range of agronomic and horticultural crops. The objectives of this...
Resource Type:: Masters Thesis
Full Text:: : Vaughn M. Walton Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) is an invasive insect pest that

Creator:: York, Riki M.
Abstract:: Drosophila suzukii (Diptera: Drosophilidae) is a devastating pest that attacks thin-skinned stone and small fruit in all major production regions of the United States and worldwide. D. suzukii first appeared in the United States in 2008 and is believed to be native to Southeast Asia. This vinegar fly has a...
Resource Type:: Masters Thesis
Full Text:: approved: ______________________________________________________ Vaughn M. Walton Drosophila

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