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Net-winged midges
Blepharicera fasciata male Grünberg 1910.png
Blepharicera fasciata
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Suborder: Nematocera
Infraorder: Blephariceromorpha
Family: Blephariceridae
Loew, 1861

Blephariceridae, commonly known as net-winged midges, are a nematoceran family in the order Diptera. The adults resemble crane flies except with a projecting anal angle in the wings, and different head shape, absence of the V on the mesonotum, and more laterally outstretched forward-facing legs. They are uncommon, but there are dozens of genera worldwide, and over 200 species.

larva of Blepharicera
Larva of Blepharicera, ventral

They are found near fast-flowing streams where the larvae live. Blepharicerid larvae are filter feeders and have suckers on their abdominal tergites, used to adhere to rocks in the torrents in which they live. These suckers are sometimes called creeping welts. These are of unique evolutionary origin within the Diptera.

One recent classification based largely on fossils treats this family as the sole member of its infraorder, but this has not gained wide acceptance.


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