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Q&A

Plant-Insect Ecosystems

Student Competition Poster

Grad P-IE and SysEB: Biodiversity, Ecology, and Invasive Species On-Demand Posters

Seasonal abundance of two rootworm pests, Diabrotica undecimpunctata and Diabrotica balteata, in Georgia peanut fields and effect of proximity to corn

Student Competition On-Demand Poster

    Presenting Author(s)

  • April Skipper

    Research Professional
    University of Georgia
    Hahira, Georgia, United States

    • Co-Author(s)

  • SM

    Seth McAllister

    University of Georgia
    Dawson, Georgia, United States

  • KH

    Kent Hill

    University of Georgia
    Tifton, Georgia, United States

  • Mark R. Abney

    Associate Professor, Extension Specialist
    University of Georgia
    Tifton, Georgia, United States

The southern corn rootworm, Diabrotica undecimpunctata, is native to the US where it is a serious pest of peanut. The banded cucumber beetle, D. balteata, is native to the tropics, but it has expanded its range to include most of the US peanut production area. The purpose of this study was to define seasonal variance in adult rootworm populations in peanut fields and to determine if proximity to corn contributes to infestation in peanut. In 2020 sweep nets and plant volatile lures attached to yellow sticky traps were used to sample rootworm populations in eleven peanut fields from July-September. Diabrotica balteata was nine times more abundant than D. undecimpunctata across all fields. Seasonal abundance of adult rootworms in commercial peanut fields in Georgia was monitored in 2021 using plant volatile lures attached to yellow sticky traps. The location and distance from each study site to corn was noted. Results of this study will inform future management recommendations for rootworms in peanut.