Adult Chrysoperla are 11 to 13 mm in length with a long slender body and wings with many small veins resembling a lace pattern. The eggs are whitish green and oval, deposited at the end of a long erect stalk about 1 cm in length, and the larvae are long(2-10mm) with pronounced forward-projecting jaws. Mature larvae will pupae a hairy white cocoon attached to plant leaves.
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Use in Biological Control
Chrysoperla adults search out new pest infestations as sites for egg laying, and larvae begin searching for prey immediately after hatching. The larvae are voracious natural predators that easily distribute to follow movement of pest insects on plants. The large hollow jaws of the larvae penetrate through the cuticle of the pest insect, injecting a digestive enzyme that liquefies the internal body, allowing it to be sucked out through the mandibles. The larvae will target a wide variety of aphid species and can consume more than 200 aphids in a day, making them an excellent option for rapid knockdown pest control.
Chrysoperla are generally not suitable for preventative pest control, as the larvae need plentiful prey to complete their life cycle.
Adult Chrysoperla females lay single eggs, whitish green and oval, deposited at the end of a long erect stalk about 1 cm in length. There may be 1-10 egg stalks in a lone along the underside of a leaf. When hatched, the larvae are long with pronounced forward-projecting jaws, and are usually found where prey is plentiful. Developing larval stages are between 1-10mm in length. Mature larvae will pupae a hairy white cocoon attached to plant leaves. Once emerged, adult Chrysoperla feed on nectar and pollen, and do not contribute to pest control.
For Best Results
If storing, keep container horizontal, away from light, in temperatures between 47-50° F.
Do not store long term: larvae are cannibalistic and will consume each other in the absence of other prey
Suggested: when introducing Chrysoperla, rotate bottle and gently shake onto infested leaves