Now In: Organic Options → Encarsia formosa / Eretmocerus eremicus
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This product utilizes two different species of predator. Both attack greenhouse whitefly (Trialeurodes vaporariorum) and tobacco whitefly (Bemisia tabaci). Encarsia goes for the third and fourth larval stage, whereas Eretmocerus prefers the second and third larval stage. Eretmocerus has the added advantages of working at higher temperatures, greater host feeding ability and more resistance to chemical pesticides. Encarsia prefers the greenhouse whitefly, Eretmocerus will attack both species of whitefly.
Suggested Release rates:
Preventive: 3m² every one to two weeks
Curative light: 6/m² weekly for three weeks, or until control is achieved
Curative heavy: 9/m² weekly for three weeks, or until control is achieved
Sold as 15 K parasitoids per box (7,500 E. formosa and 7,500 E. eremicus)
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