Open Access Ecology, Taxonomy, and Pest Management of Billbugs (Coleoptera: Curculionidae) in Orchardgrass of Virginia

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Orchardgrass, Dactylis glomerata L. (Cyperales: Poaceae), is a cool season grass, cultivated throughout the United States as a high-value forage crop. Larval feeding by two weevil species (Coleoptera: Curculionidae), the bluegrass billbug, Sphenophorus parvulus Gyllenhal, and the hunting billbug, Sphenophorus venatus vestitus Chittenden, has caused widespread economic damage to orchardgrass stands in Virginia. The cryptic feeding habits of these species, combined with a lack of effective systemic insecticides, make billbug control extremely difficult in orchardgrass. Here, we present an overview of the biology of orchardgrass and its associated billbug pests, and review the control options for these pests.

Keywords: Curculionidae; Sphenophorus spp; bluegrass billbug; hunting billbug; orchardgrass

Document Type: Research Article


Publication date: September 1, 2013

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  • Journal of Integrated Pest Management, is a new, open-access, peer-reviewed, extension journal covering the field of integrated pest management.

    The journal is multi-disciplinary in scope, publishing articles in all pest management disciplines, including entomology, nematology, plant pathology, weed science, and other subject areas. The editors request submissions of original, extension-type articles about any aspect of pest management in the broadest sense, including, but not limited to, management of pests that affect row crops, forage and grasslands, horticultural crops, forests, urban landscapes, structures, schools, households, livestock and pets, and human health.
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