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Colorado Potato Beetle Resistance to Insecticides
The Colorado potato beetle, Leptinotarsa decemlineata (Say), is widely regarded as the most important insect defoliator of potatoes. Its current range covers about 16 million km2 in North America,Expand
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Resistance and cross-resistance to neonicotinoid insecticides and spinosad in the Colorado potato beetle, Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae).
The Colorado potato beetle, Leptinotarsa decemlineata (Say), has developed resistance to many insecticides used for its control, recently including imidacloprid, a neonicotinoid compound. OtherExpand
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Inheritance and Synergism of Resistance to Imidacloprid in the Colorado Potato Beetle (Coleoptera: Chrysomelidae)
Abstract Colorado potato beetle, Leptinotarsa decemlineata (Say), adults and larvae collected from Long Island, NY, were 100.8 and 13.2 times more resistant to imidacloprid, respectively, comparedExpand
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Wildflowers as Nectar Sources for Diadegma insulare (Hymenoptera: Ichneumonidae), a Parasitoid of Diamondback Moth (Lepidoptera: Yponomeutidae)
The effects of wildflowers on the longevity and fecundity of Diadegma insulare (Cresson), one of the major parasitoids of diamond back moth, Plutella xylostella (L.), in North America, were studiedExpand
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Effects of wild and cultivated host plants on oviposition, survival, and development of diamondback moth (Lepidoptera: Plutellidae) and its parasitoid Diadegma insulare (Hymenoptera: Ichneumonidae)
The effects of wild and cultivated Brassicaceae host plants on diamondback moth, Plutella xylostella (L.), oviposition, egg hatch, larval survival, infestation level, parasitism rate by DiadegmaExpand
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Effects of Neighboring Nectar-Producing Plants on Populations of Pest Lepidoptera and Their Parasitoids in Broccoli Plantings
Eggs and larvae of the imported cabbageworm, Piens rapae, were much more abundant in broccoli interplanted with nectar-producing plants than in broccoli monoculture. More diamondback moth larvae,Expand
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Resistance to neonicotinoid insecticides in field populations of the Colorado potato beetle (Coleoptera: Chrysomelidae).
BACKGROUND Neonicotinoid insecticides were first used commercially for Colorado potato beetle [Leptinotarsa decemlineata (Say), Coleoptera: Chrysomelidae] control in the United States in 1995, andExpand
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Economic impact of insecticide resistance in the Colorado potato beetle (Coleoptera: Chrysomelidae) on the Michigan Potato Industry
Insecticide resistance in Colorado potato beetle, Leptinotarsa decemlineata (Say), in Michigan was first reported in 1984 but caused severe economic problems beginning in 1991. Surveys conducted byExpand
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Selection of a Colorado Potato Beetle (Coleoptera: Chrysomelidae) Strain Resistant to Bacillus thuringiensis
For the first time, resistance to the CRYIIIA coleopteran specific delta endotoxin of Bacillus thuringiensis var. san diego or tenebrionis is reported. Colorado potato beetles, LeptinotarsaExpand
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Populations Dynamics and Role of Two Species of Lepidostoma (Trichoptera: Lepidostomatidae) In an Oregon Coniferous Forest Stream
The aim of this study was to gather quantitative field and laboratory data on the role of Lepidostoma cascadense (Milne) and Lepidostoma unicolor (Banks) in the processing of conifer needles in aExpand
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