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Body size, age, and disease influence female reproductive performance in Choristoneura conflictana (Lepidoptera: Tortricidae)
Download2006
Evenden, M. L., Lopez, M. S., Keddie, B. A.
Abstract: We determined the effect of body size and adult female longevity on the realized fecundity and fertility of the large aspen tortrix, Choristoneura conflictana (Walker) (Lepidoptera: Tortricidae), an outbreaking forest lepidopteran. We examined these relationships from an ecological...
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Contributions to the Life History, Host Range, and Distribution of Necremnus tidius (Hymenoptera: Eulophidae)
Download2007
Dosdall, L. M., Gibson, G. A. P., Keddie, B. A., Ulmer, B. J., Olfert, O.
Abstract: Field and laboratory studies investigated the preimaginal developmental time, adult emergence phenology, mating behavior, and weevil hosts of Necremnus tidius (Walker) (Hymenoptera: Eulophidae), a solitary ectoparasitoid of coleopteran larvae. In addition, changes in parasitism levels...
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Differences in Phyllotreta cruciferae and Phyllotreta striolata (Coleoptera: Chrysomelidae) responses to neonicotinoid seed treatments
Download2008
Keddie, B. A., Sarfraz, R. M., Tansey, J. A., Dosdall, L. M.
Abstract: Insecticidal seed treatments are used commonly throughout the Northern Great Plains of North America to systemically protect seedlings of canola (Brassica napus L. and Brassica rapa L.) from attack by the flea beetles Phyllotreta cruciferae (Goeze) and Phyllotreta striolata (F.)...
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Resistance of some cultivated Brassicaceae to infestations by Plutella xylostella (Lepidoptera: Plutellidae)
Download2007
Sarfraz, M., Dosdall, L. M., Keddie, B. A.
Abstract: Selecting insect-resistant plant varieties is a key component of integrated management programs of oligophagous pests such as diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae), but rigorous research on important life history parameters of P. xylostella in relation to...