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Brown lacewing - Hermerobiidae
Identifying natural enemies > lacewings > brown lacewing
Brown lacewing adult Brown lacewing egg Brown lacewing larva
Adults: Reddish brown, thin body. Large, membranous, brown wings. Long antennae and a long, thin body. Smaller than the green lacewing. Length 6-12 mm. Eggs: Several hundred oval eggs per female, laid on the undersides of leaves; eggs not on stalks like green lacewing eggs. Larvae: Similar in appearance
to green lacewing larvae,except head is similar in width to the pronotum. Gray to brown and alligator-like. Large, sickle-shaped mandibles.
Pupae: Pupation occurs inside a light brown, loosely woven cocoon on plant material. Left: Brown lacewing pupa

Diet: Larvae and adults feed on aphids, caterpillars, beetle larvae and insect eggs.

 Brown lacewing pupa 
 
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This information was developed for the publication Identifying Natural Enemies in Field Crops by Mary Gardiner, Christina DiFonzo, Michael Brewer and Takuji Noma, MSU Extension bulletin E2949.
The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the Michigan Agricultural Experiment Station, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.
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12/21/06