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Subfamily Telmatogetoninae

Beach Fly 1 - Telmatogeton - male - female Beach flies-Interesting behavior - Telmatogeton Fly on Rock at Rocky  Saltwater Beach - Telmatogeton japonicus Fly on Rock at Rocky  Saltwater Beach - Telmatogeton japonicus very, very weird fly from Big Sur - Telmatogeton Littoral Chironomidae? - Thalassomya bureni Telmatogeton japonicus Fly on seaweed - Telmatogeton japonicus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Nematocera" (Non-Brachycera))
Infraorder Culicomorpha (Mosquitoes and Midges)
Family Chironomidae (Midges)
Subfamily Telmatogetoninae
Synonyms and other taxonomic changes
From pg. 415 of Usinger(1)(1956):
"This subfamily is restricted, with the exception of some secondarily adapted mountain-stream Hawaiian species, to the zone of algae-covered rocks between tide levels on seacoasts. The larvae form silken cases on the rocks and between the bases of the algae filaments on which they feed. They pupate in reinforced larval cases, and several genera have evolved a remarkable, highly sclerotized obliquely flattened, caudal disc on the pupa, probably to offset the high-water pressures set up in the tunnels by wave action."
Two genera, Telmatogeton widely distributed along temperate coasts and Thalassomya found in tropical Florida.
Works Cited
1.Aquatic Insects of California
Robert L. Usinger, Editor. 1956. University of California Press.