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Home Chrysoperla carnea

Chrysoperla carnea

Chrysoperla carnea is a green lacewing, used in the biological controlling of aphids and, less extend, pests like whitefly and thrips. Adults are pale green, about 12 – 20 mm. in length, with long antennae and a delicate body. The eggs are oval shaped and green coloured. The larvae of Chrysoperla carnea are brown and grey coloured. Their body is alligator-like shaped, with well-developed pincers. During the pupae stage they look like mealy bugs. 

Life cycle and relative effectiveness 

An female adult lays her egg at the end of a blade or stalk. The larvae attack its prey and suck it empty. Larvae can eat between 100 and 600 aphids a day, although they can have difficulty reaching their prey in hairy or sticky (aphid or whitefly excretion) crop. As the remainders of the aphids totally shrivel, they are hard to observe in the crop. Adult lacewings fly away and do not contribute to the pest control. Therefore, a repetition introduction might be necessary. 

Application and dose 

No specific climatologic conditions are required for the use of Chrysoperla carnea. Make sure the material will be plotted throughout the whole crop and leave the empty package for some days, so eventually the remaining larvae will crawl out searching for their prey. 

Storage and handling 

Chrysoperla carnea supplied in bottles (500 ml.), containing 1.000 larvae (2e larval stage). Keep the bottles horizontally, in darkness, at a temperature between 10°C – 15°C. Maximum storage time of two days.

 

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