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Video Q&A ViewAttendees 3

Plant-Insect Ecosystems

Section Symposium

Arthropod Pest Management in Large Scale Agroecosystems On-Demand Presentations

Aphids and their natural enemies in an Oklahoma agroecosystem: How landscape structure and cropping system influence natural enemies in winter and summer crops

On-Demand
On-Demand

    Presenting Author(s)

  • NE

    Norman Elliott

    Research Biologist
    USDA-ARS
    Stillwater, Oklahoma

    • Co-author(s)

  • KG

    Kristopher Giles

    Regents Professor
    Oklahoma State University
    Stillwater, Oklahoma

  • KB

    Kristen A. Baum

    Associate Dean Research
    Oklahoma State University
    Stillwater, Oklahoma

  • SE

    Sarah D. Elzay

    Graduate Research Assistant
    Oklahoma State University
    Cleveland, Oklahoma

  • TR

    Tom Royer

    Oklahoma State University

In Oklahoma and nearby areas in the Southern Plains, winter wheat and canola are predominant winter crops grown and several summer crops are also grown, including corn, soybean, and sorghum. Grasslands comprised of native and introduced grasses and herbaceous plants are a predominant feature of this agroecosystem and are typically used to pasture cattle. Several aphid and aphid natural enemy species are present in both winter and summer crops in this agroecosystem. These aphids and natural enemies are apparently well adapted to the temporary habitats and disturbance regimes that characterize the shifting mosaic of winter and summer crops. We document the dynamics of aphids and natural enemies in relation to the temporally and spatially shifting mosaic of crop and non-crop habitats that typify this agroecosystem.