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TARGET PEST: Greenhouse whitefly (Trialeurodes vaporariorum), Silverleaf whitefly (Bemesia argentifolia), Sweet potato whitefly (Bemesia tabaci)
FOR YOUR FILES: Encarsia formosa Tech Sheet (PDF)
Encarsia formosa is a tiny parasitic wasp that parasitizes whiteflies. It was the first biological control agent developed for use in greenhouses. The whitefly species in a crop must be correctly identified to make sure it is a species that Encarsia can control and to determine the correct release rate.
The predatory beetle Delphastus avoids feeding on the whiteflies that have been parasitized byEncarsia. Delphastus adults also feed on whitefly eggs and can therefore be used with Encarsia. The predatory bug Dicyphus hesperus may be used with Encarsia. The parasitic wasp Eretmocerus californicus may also be used with Encarsia.
Orders for Encarsia formosa must be received by noon on Friday for shipment the following week. If the deadline is past, please call us and we will help you find a solution ASAP. (360) 656-6680
See order deadlines and shipping information.
Learn about release instructions for beneficial insects.