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tremulus group

Seems to be a midge? - Cricotopus Cricotopus? - Cricotopus 3015298 midge - Cricotopus - female Mosquito or Midge -  black and white legs, black body with white abdominal band.  - Cricotopus - male very tiny yellow/black - Cricotopus - female black midge with white abdominal band - Cricotopus - male Pennsylvania Fly for ID - Cricotopus black midge with white abdominal band - Cricotopus - female
Classification
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 (Non-biting Midges)
Subfamily Orthocladiinae
Genus Cricotopus
No Taxon (subgenus Cricotopus)
No Taxon tremulus group
Habitat
Streams and rivers.
Remarks
Some species, including Cricotopus tremulus, have tergites 1 and 2 yellow, strongly contrasting with remainder of abdomen, and fore tarsomere 2 white. Cricotopus varipes lacks a pale band on fore tarsi. There may be undescribed American species in this group, as in the rest of Cricotopus.