Mealybug Destroyer

Pest: Mealybug Destroyer (Cryptolaemus montrouzieri)

Pest Type: Beneficial Insect, Predaceous Beetle

Major Identifying Features: 1/6 inch long, mostly dark brown and blackish with an orangish head and tail, larvae grow up to 1/2 inch and are covered with waxy white curls making it difficult to see their legs, larvae resemble mealybugs except that they are larger and more active, wax can be scraped off, yellow eggs

Life Cycle: Complete metamorphosis, 4 generations per year,

Pest Rating: Beneficial!

Management Rating: Beneficial!

Host/Season/Outbreak Information: Eggs are laid among the cottony egg sacks of mealybugs, pupation occurs in sheltered places on stems or other substrates, does not survive in cold weather

Support Information/Common Prey: Predaceous on a wide variety of mealybugs and other soft bodied homopterans including the citrus mealybug and the green shield scale, used in citrus and greenhouses

Management/Attraction Options: Commercially available, effective when mealybug population is high, released in spring

Source:

http://www.ipm.ucanr.edu

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