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Section Symposium

Medical, Urban, and Veterinary Entomology

Bugs, Barns, and Breakthroughs: Leveraging the past to Advance Livestock and Poultry Pest Control

Alternatives to conventional insecticides for control of biting and nuisance flies on pasture cattle

Tuesday, November 11, 2025
3:28 PM - 3:42 PM Pacific
Location: Oregon Convention Center, Portland Ballroom 255, OCC
Oral Presentation
Biting and nuisance flies are serious pests of pasture cattle in North America. The three main species, stable fly, horn fly, and face fly disrupt cattle comfort and reduce feeding leading to a reduction in daily weight gain. In addition, the face fly can transmit bacteria causing pink eye. Management of all three pest flies in pastures relies primarily on use of conventional insecticides using various application strategies. However, only a limited number of products are available thus raising concerns about developing insecticide resistance. Thus, there is a need and producer demand for alternatives to conventional insecticides such as biopesticides, traps, and biological control. We will review the alternatives, including an in-depth look at the potential of the black soldier fly as a novel biological control organism.