Whitefly Control

Integrated Pest Management of Whiteflies

1. Carefully inspect new plants before transplanting. 2. Dip foliage and root ball in soapy water, or hydrogen peroxide solution, to clean and kill any existing whitefly eggs, nymphs or adults. 3. Monitor pest thresholds with yellow sticky traps or ribbons. 4. Release Green Lacewing preventatively before infestation becomes severe. 5. Consider specialist parasites and predators for targeted whitefly infestations. 6. For quick knockdown control, consider sprays with a low environmental impact such as Beauveria bassiana products (see page 27) or Neem based sprays. 7. Clean tools and equipment as well as greenhouse structures between growing seasons. See Cleaning & Sanitizing on page 52.

Whitefly Parasite - Eretmocerus eremicus

Better Adapted To Higher Temperatures, Including Temperatures That Fluctuate Day & Night! Good For Desert Climates.

TARGET: Greenhouse whiteflies (Trialeurodes vaporarium), sweet potato whiteflies (Bemisia tabaci), silverleaf whiteflies (Bemisia argentifolii), and banded-winged whiteflies (T. abutiloneus) and others. DESCRIPTION: The whitefly parasite (parasitoid) is a tiny wasp that host feeds and parasitizes the scale (nymphs) of whiteflies. The time from egg laying to adult emergence is approximately 22 days. Can be used with Green Lacewings. SUGGESTED USE (Depending upon level of infestation): For prevention: use 1,000/10,000 sq. ft. Light infestations: 1,000/1,000 sq. ft. Heavy infestations: use 5,000/1,000 sq. ft. Hang squares with parasitized pupae on plant foliage at first sign of infestation. Order weekly for approximately 2-6 weeks until control is achieved. Call to set up your customized weekly program. Temperature: Moderate 62-82ºF Relative Humidity: Minimum 40% 1000703 ≈5,000 in 20 x 250 Blister Packs $94.95

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Eretmocerus eremicus

Whitefly Parasite -

Encarsia formosa

Save Your Plants From The Ravages Of Destructive Whiteflies! Good For Greenhouses.

TARGET: Greenhouse whiteflies (Trialeurodes vaporarium), sweet potato whiteflies (Bemisia tabaci) Encarsia and approximately 15 other species of whitefly. formosa DESCRIPTION: The whitefly parasite (parasitoid) is a tiny wasp that host feeds and parasitizes the scale (nymphs) of whiteflies. The time from egg laying to adult emergence is approx. 25 days. Can also be used with Green Lacewings. SUGGESTED USE (Depending upon level of infestation): For prevention: Use 500-1,000/15,000 sq. ft. Light infestations: (less than 1 adult whitefly per 50-100 plants) Use 1,000-2,000/5,000-10,000 sq. ft. for minimum of 3 weeks or until control is achieved. Heavy infestations: Use 3,000/3,500 sq. ft. for a minimum of 3 weeks or until control is achieved. Hang squares with parasitized pupae on plant foliage at first sign of infestation. Order weekly for approximately 2-6 weeks until control is achieved. Please call to set up your customized weekly program. Temperature: Moderate 76-85ºF Relative Humidity: Moderate ≈50-70% 1132001 ≈1,000 Count $32.50 1132002 ≈3,000 Count $46.00 1132003 ≈5,000 Count $60.00

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Whitefly Predator - Delphastus catalinae

These Tiny Brown Beetles Consume Several Hundred Pests Daily!

TARGET: Aphids, scale, thrips, and especially greenhouse and outdoor sweet potato whiteflies and other soft-bodied insect pests. Delphastus

catalinae

DESCRIPTION: Females lay ≈3-4 eggs daily and adults live for approximately one month. Adult beetles capture prey with their mandibles, inject paralyzing venom & feed on pest body fluids. Shipped as adults, they should be used at the first signs of infestation. SUGGESTED USE (Depending upon level of infestation): Upon arrival, release at sundown. May be stored at temperatures between 50-60°F for 1-2 days. Can be combined with other whitefly parasites. Temperature: Moderate 65-90ºF Relative Humidity: High ≈70% & Higher 1126001 ≈100 Count $50.00 1126003 ≈200 Count $90.00 1126002 ≈1,000 Count $190.00

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