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Family Chrysopidae - Green Lacewings

Green Lacewing - Chrysoperla rufilabris Decorated Bug Which Lacewing? - Chrysoperla Whatsit1 - Leucochrysa Green Lacewing Incredible green lacewing - Chrysoperla Tiny empty egg sac Eremochrysa? - Eremochrysa
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Neuroptera (Antlions, Lacewings and Allies)
Suborder Hemerobiiformia
Family Chrysopidae (Green Lacewings)
Explanation of Names
Greek chrysos (χρυςοσ) 'gold' + ops (ω&psi) 'eye, face' + a feminine noun ending
Numbers
85 spp. in 14 genera* in our area(1); ca. 1,200 spp. in 75 genera and 3 subfamilies worldwide(2)
*Genera not yet in the guide: Chrysopodes (1 sp., FL, TX), Nacarina (1 sp., NC, FL), Nineta (1 sp., AZ-UT), Pimachrysa (5 spp., AZ-CA), Plesiochrysa (1 sp., FL)
Identification
Key to most NA genera provided in(3)
Soft-bodied insects with copper-colored eyes, long thread-like antennae, and lacy wings.
  
To the naked eye the wings appear hairless, but under magnification short hairs can be seen along the edges and veins. See photo and diagram of wing venation:
  
Most species are green, but some are brown, especially overwintering adults of certain species:
  
Pinned specimens turn yellowish.
Larvae are flat and elongated (alligator-like) with large jaws. Debris-carrying larvae cover themselves with bits of litter, perhaps to deter predators.
Habitat
Common in grass and weeds and on tree/shrub foliage
Food
Some adults are predators, others take liquids such as honeydew, and some feed on pollen
Larvae are predatory on other insects, especially aphids (sometimes called 'aphid lions'); will also consume larger insects, insect eggs, and pupae.
Life Cycle
Eggs are characteristically stalked. The eggs and egg-laying process is illustrated here:
  
The larvae pupate in silken cocoons that are generally attached to the underside of leaves or stems.

See illustration:
  
Remarks
often give off an unpleasant odor when handled
See Also
Hemerobiidae have different wing venation and usually more oval wings
Mantispidae have raptorial forelegs
Internet References
Aphid lion. Video of lacewing larvae feeding on aphids.
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Chrysopidae of Canada and Alaska (Ins., Neuroptera): revised checklist, new and noteworthy records,and geo-referenced localities
Garland J.A., Kevan D.K. Mce. 2007. Zootaxa 1486: 1–84.
3.The green lacewings of Florida (Neuroptera: Chrysopidae). 1. Genera
Stange L.A. 2000. Fla. Dept. Agric. & Consumer Serv., Division of Plant Industry, Entomology Circular No. 400.