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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

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Family Sisyridae - Spongilla Lacewings

Lacewing Kin? - Climacia areolaris Spongilla fly Larvae Sisyrid? - Climacia areolaris Climacia californica apparent Sisyridae for SW US on BG - Climacia Dark brown lacewing or spongillafly - Sisyra vicaria Climacia areolaris Sisyra vicaria
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Neuroptera (Antlions, Lacewings, and Allies)
Suborder Hemerobiiformia (Lacewings and Allies)
Family Sisyridae (Spongilla Lacewings)
Other Common Names
Spongillaflies, Spongeflies, Sponge Lacewings
Explanation of Names
Sisyridae Handlirsch 1908
Numbers
2 genera with 3 species each in our area(1)
Size
6-8 mm
Identification
Adults resemble brown lacewings superficially. Larvae are distinctive, with ventral abdominal gills in instars II-III, and long straight jaws(2)

Wing venation of Sisyra:
Life Cycle
Eggs are laid on vegetation over a body of fresh water with sponges. Larvae are aquatic, develop inside of, and feed on, freshwater sponges and bryozoans. The elongated mouthparts are used to pierce the cells of the sponge and ingest their contents. Adults found near larval habitat and come to lights.(3)

larva -- larval mouthparts -- pupa:
See Also