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Species Calopteron reticulatum - Banded Net-wing

Net-winged Beetle - Calopteron reticulatum Caloperon reticulatum (mating) - Calopteron reticulatum - male - female Banded Net-wing - Calopteron reticulatum - male - female  Banded Net-wing - Calopteron reticulatum Odd Calopteron reticulatum - Calopteron reticulatum Calopteron reticulatum Calopteron reticulatum  Calopteron reticulatum - Banded Net-wing? - Calopteron reticulatum
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Elateriformia)
Superfamily Elateroidea (Click, Firefly and Soldier Beetles)
Family Lycidae (Net-winged Beetles)
Subfamily Lycinae
Tribe Calopterini
Genus Calopteron
Species reticulatum (Banded Net-wing)
Synonyms and other taxonomic changes
Calopteron reticulatum (Fabricius)
Orig. Comb: Lycus reticulatus Fabricius 1775
9.5–18.0 mm (1)
e NA (QC-FL to ON-MN-SD-TX) / Mex. (1)(2)
Life Cycle
Larvae are found in large groups. "The congregation occurs because, often enough, prime oviposition sites are located by several females, and they dump their eggs in about the same place....sometimes scores of females will find the same site and spawn hundreds of larvae in the same place." See comment by J. Cicero here

See Also
In C. discrepans, the upper transverse black band tends to be broad all the way to the edges, whereas in C. reticulatum, it tends either to taper at the edges or be narrow its entire length. This trait is not diagnostic, but may be helpful. In C. discrepans, the sutural extension of the median black band (running lengthwise up the center at the top of the wing) is expanded basally, being widest at the scutellum, whereas in reticulatum, its borders (when it is present) run parallel. The metasternum is entirely black in discrepans, partly reddish in reticulatum. Second antennal segment black in discrepans, rusty in reticulatum. Underside of antennae usually black in discrepans, some segments rusty in reticulatum. (3)

Print References
Miller R.S. (1988) Behavior of Calopteron reticulatum (F.) larvae (Coleoptera: Lycidae). Ohio J. Sci. 88(3): 119-120.
Internet References
Works Cited
1.Beetles of Eastern North America
Arthur V. Evans. 2014. Princeton University Press.
2.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
3.The Lycidae of the United States and Canada IV. The tribe Calopterini (Coleoptera)
John Wagener Green. 1952. Transactions of the American Entomological Society, Vol. 78, No. 1 .