*Recommended for control of Vine mealybug, Citrus mealybug, Obscure mealybug, and Longtail mealybug

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General Information

 

Anagyrus pseudococci are ready for release upon arrival. They should be released in the early morning after temperatures have risen about 45 degrees F but below 95 degrees F.

 

Target Crops: Grapes and Citrus

Preferred Pest Stage: Third and fourth Instars and egg laying adults. They also host feed.

Sex Ratio: 50-60% female

Fecundity: Average 45 eggs/female

Longevity: Females can live 40 days and males 30 days under laboratory conditions with weekly feedings. They survive 14 days with one feeding.  

Handling: Until release, keep parasites in an insulated cooler with wet newspaper and ice packs

Release Rate: 

• San Joaquin Valley: Relase 500 to 2,000 per acre monthly late April through August. August release is for following season.

• Coachella Valley Vineyards: Release 15,000 per acre for 4 weeks.  Start 1 week before girdling.

• Greenhouse: Apply 1 female per 5 square feet of greenhouse. Repeat every two weeks with ongoing evaluations.  

Release Method: Release every 3 to 5 rows.

Timing: Begin releasing as soon as mealybug is exposed. This is typically in late winter or early spring after the mealybug leaves the bark.