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Fall Fund Drive


Family Hemerobiidae - Brown Lacewings

Brown Lacewing - Wesmaelius brown lacewing? - Micromus posticus Brown Lacewing larva A different lacewing.  Sympherobius, perhaps? - Sympherobius occidentalis Hopper - Megalomus fidelis Brown lacewing - Micromus posticus Brown Lacewing - Micromus variolosus Lacewing of some kind - Hemerobius
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Neuroptera (Antlions, Owlflies, Lacewings, Mantidflies and Allies)
Suborder Hemerobiiformia (Lacewings, Mantidflies and Allies)
Family Hemerobiidae (Brown Lacewings)
Explanation of Names
Hemerobiidae Latreille 1802
>60 spp. in 6 genera in our area(1), 10 spp. in 4 genera in FL(2), >600 spp. in ~30 genera worldwide(3)(4) arranged into 10 subfamilies
6-15 mm
Similar to Green Lacewings (Chrysopidae) but usually brown, smaller, wings usually more rounded, with membrane covered with small hairs and two or more radial sector veins(5)
Wing venation:
      Hemerobius       |     Sympherobius   |     Megalomus

Some Chrysopidae have a tan overwintering form, but wing venation is different:

keys to species in(6)[NA] (7)[FL]
worldwide & throughout North America (more diverse in the west)
Spring to fall, into winter in south.
Adults and larvae predaceous. Homopterans, such as aphids, are favorite prey.
Life Cycle
Females attach eggs directly to leaves (not on stalks as the Chrysopidae). Larvae do not carry debris on their backs.
Internet References
Fact sheet (MacLeod & Stange 2001-2011)[Cite:185010]