Preferred food: greenhouse whitefly (Trialeurodes vaporariorum) and limited control of sweet potato whitefly (Bemisia tabaci). For acre dosage release 3,000 weekly, for 8-10 weeks. Release upon receipt to ensure full potency....
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Preferred food: greenhouse whitefly (Trialeurodes vaporariorum) and limited control of sweet potato whitefly (Bemisia tabaci). For acre dosage release 3,000 weekly, for 8-10 weeks. Release upon receipt to ensure full potency. Shipped on strips (5 cards on each strip) that contain parasitized whitefly scale and more than 1,000 Encarsia. For prevention, use 1 parasite for 10 sq ft. The wasp develops inside the whitefly scale and emerges after 20 days. Release rates: For greenhouse tomatoes and peppers, 1 Encarsia/4 plants weekly for 8-10 weeks; cucumbers, one/2 plants weekly for 8-10 weeks; poinsettias, two/plant weekly, 8-12 weeks. Release rates vary depending upon crop, infestation and season of the year. Shipment, biology and release: Encarsia formosa Will kill 200 whiteflies per week. For low infestations (less than 1 adult whitefly per 50-100 plants) release 1 parasite/sq ft weekly for a minimum. Release Wasps at the first sign of whitefly by hanging strips on plant foliage.
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