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Interactions of pea leaf weevil (Coleoptera: Curculionidae) with its primary and secondary host plants in Alberta
DownloadFall 2021
The pea leaf weevil, Sitona lineatus Linnaeus (Coleoptera: Curculionidae), is an invasive, oligophagous herbivore that feeds on a variety of legume (Fabales: Fabaceae) plants. Field peas (Pisum sativum) and faba bean (Vicia faba) are the primary host plants of the pea leaf weevil. Adult weevils...
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Presence and Distribution of Alfalfa Weevil and Sitona Species in Alfalfa Fields Grown for Seed in Alberta
DownloadFall 2024
The alfalfa weevil (Hypera postica (Gyllenhal), Curculionidae: Coleoptera) is a major pest of alfalfa (Medicago sativa L., Fabaceae) that feeds on alfalfa foliage. High density larval populations cause significant damage through leaf skeletonization. This study examines the location of adult...