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Student Poster

Plant-Insect Ecosystems

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Student Regular Posters: P-IE

D3157: Effectiveness of biopesticides and reduced-risk miticides against two-spotted spider mites

Monday, November 6, 2023
9:00 AM - 6:30 PM ET
Location: Prince George's Exhibit Hall BCD
In-Person Poster
The Two-spotted spider mite is a polyphagous pest on >1000 plant species. Miticides have been a major management strategy for this pest but have led to the development of resistance. There are several new reduced-risk miticides and Biopesticides that may help fill the gap in control options and reduce concerns about human and environmental health. Spear-T is a biopesticide with the active ingredient GS-omega/kappa-Hxtx-Hv1a and is derived from spider venom. This study aimed to determine the adulticide, ovicidal, and repellence of GS-omega/kappa-Hxtx-Hv1a and several reduced-risk miticides against two-spotted spider mites on bean plants. Results from this will help elucidate and understand how GS-omega/kappa-Hxtx-Hv1a might work in field conditions against two-spotted mites and thus, help adjust pest management programs.