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10-Minute Paper

Plant-Insect Ecosystems

P-IE: Biodiversity

Cowpies, pecans, flies, and dung beetles: Insect response to intensive grazing in pecan orchard ecosystems

Tuesday, November 7, 2023
1:24 PM – 1:36 PM ET
Location: Gaylord National Resort & Convention Center, National Harbor 11
In-Person
Cowpies, Pecans, Flies and Dung Beetles: Insect response to Intensive Grazing in Pecan Orchard Ecosystems

Rodrigo Soares, Kelly Seuhs, Charles Rohla, Mikaela Anderson, Justin Talley and W. Wyatt Hoback

Oklahoma State University Department of Entomology and Plant Pathology

Pecan weevils, Curculio caryae (Coleoptera: Curculionidae) (Horn 1893) are a serious pest of commercial pecan orchards that are typically managed with insecticides. Cattle grazing with high-intensity and short-duration in pecan orchards could reduce weevil numbers potentially as a result of trampling causing C. caryae larval mortality. Adaptive multi paddock (AMP) grazing management concentrates large numbers of cattle in a small area and moves them frequently while traditional grazing allows cattle to move within a large pasture. Cattle produce feces that is attractive to both flies and dung beetles but little is known about insect response to AMP methods. This study compared insects in pecan orchards in Ardmore and Perkins, Oklahoma. Sampling was conducted bi-weekly, with four replicates in each pasture to capture dung beetles. Weevils were monitored with Circle traps and flies on cattle were estimated using photographic techniques.