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Green Lacewing Adults - Aphid Control

Green Lacewing Adults Chrysoperla - Aphid Control



TARGET PESTS: Aphids, Small Caterpillars, Whiteflies, Mites, Scale, Thrips, Psyllids, Mealybugs and other soft-bodied insects and their eggs.

DESCRIPTION: Green Lacewings are general predators that feed on a variety of insects. They are very effective on aphids.  During the larval stages, it is a predator. Adults are large green insects with large, almost transparent lace-like green wings. Larvae are small alligator looking critters with conspicuous legs.  They move from plant to plant on leaves. Larvae pupate on upper leaf surfaces, plant stems and twigs. Eggs are laid on hair-like filaments – up to 600 eggs per adult.


Preventative: 1-3 per 10 sq.ft., monthly, as needed.

Low: 2-5 per 10 sq.ft., bi-weekly, 2-3 times.

Medium: 4-8 per 10 sq.ft., weekly, 2-4 times.

High: 1 per sq. ft.,bi-weekly, 3-5 times.

Acres: For acreage; release 70 adults per acre.

Depending on the size and type of plants, the number and type of pests, other predator and parasite populations
and temperature affect the frequency and quantity of releases.

LIFESPAN: Egg to adult:  about 30 days depending on weather.  Adults live for 20-40 days and will lay 10-30 eggs/day and up to 600 eggs on hair-like filaments.  Lacewing eggs hatch in about 3-5 days after reaching temperature of about 60 °F.  Larvae are predators for 2 weeks or longer if nights are cool.  During 2-3 larval stages, one solitary Lacewing can kill 300-400 aphids, 11,000 spider mites, 3,700 scale crawlers or 6,000 scale eggs. Cocoons yield adult Lacewings in about 5 days. The adult Lacewing will migrate toward pollen, insect honeydew or nectar before laying eggs. Temperature and food availability will determine the timing of each stage and reproductivity.

STRATEGIC CONSIDERATIONS: Pesticides and even-wetting agents and spreader-stickers may adversely affect Lacewing survival.  Broad spectrum and systemic insecticides are toxic to Lacewings

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