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Q&A

Plant-Insect Ecosystems

Poster

P-IE: Biocontrol - Parasitoids and Predators On-Demand Posters

Herbicide impacts on natural enemies meta-analysis: 60 years of work, relatively little data

Poster On-Demand

    Presenting Author(s)

  • Rebecca Schmidt-Jeffris

    Research Entomologist
    USDA-ARS
    Moxee, Washington, United States

    • Co-Author(s)

  • Lauren M. Diepenbrock

    Professor
    University of Florida
    Lake Alfred, Florida, United States

  • Angela Chuang

    Postdoctoral associate
    University of Florida
    Lake Alfred, Florida, United States

  • Gabriel Leon Zilnik

    Postdoctoral Research Associate
    USDA-ARS
    Wapato, Washington, United States

  • Aldo Hanel

    PhD student
    Washington State University
    Yakima, Washington, United States

  • Eric Middleton

    Post doctoral associate
    University of Florida
    Lake Alfred, Florida, United States

  • EM

    Erica Moretti

    USDA-ARS
    Wapato, Washington, United States

  • PB

    Paul Bergeron

    Graduate Student
    Washington State University
    Pullman, Washington, United States

There has been significant recent media attention on the impact of glyphosate (Roundup) on pollinators, especially honeybees. While there has been some research on the effects of herbicides on natural enemies, this work is relatively rare, especially considering the significant history of non-target effects research of other pesticides (e.g., insecticides and fungicides). To examine trends in herbicide bioassays, we conducted a meta-analysis summarizing the results of 103 papers containing 801 records, 1960-2021. We investigated trends in lethality based on mode of action, chemical class, and active ingredient in addition to determining if herbicides consistently impacted predation/parasitism, growth, reproduction, and movement.