Spinosad has several desirable eco-toxicological qualities that make it ideal for use in and around livestock housing and human structures as a granular fly bait. In a small cage ingestion test, after 6-24 hours, GF-739 provided house fly mortality equivalent to methomyl bait. A knock-down test indicated water diluted GF-739 was not as fast acting as a wettable powder formulation of azamethiphos but fly mortality was equivalent at 24 hours. A residual test indicated GF-739, methomyl bait, and azamethiphos WP were able to provide 100% fly mortality after 84 days of aging. A large room test indicated GF-739 provided excellent control of flies when applied in a station/tray or when diluted in water. In general, in field tests in pig and poultry houses, GF-739 provided fly control equivalent to methomyl and azamethiphos baits.
Species 1: Diptera Muscidae Musca domestica (house fly)
Keywords: Fly control, baits
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