Hex Mayflies
Hexagenia limbata
The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
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This specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.
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Caddisfly Genus Theliopsyche (Little Brown Sedges)
Where & when
Preferred waters: Small streams
In 11 records from GBIF, adults of this genus have been collected during May (55%), June (27%), and July (18%).
In 5 records from GBIF, this genus has been collected at elevations ranging from 1152 to 5764 ft, with an average (median) of 1752 ft.
Genus Range
Specimens of the Caddisfly Genus Theliopsyche
1 Female Adult
This one has a neat iridescent sheen to its wings.
See the discussion for details on this fly's tentative ID.
See the discussion for details on this fly's tentative ID.
Start a Discussion of Theliopsyche
References
- LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.
Caddisfly Genus Theliopsyche (Little Brown Sedges)
Taxonomy
6 species (Theliopsyche corona, Theliopsyche epilone, Theliopsyche griseus, Theliopsyche melas, Theliopsyche parva, and Theliopsyche tallapoosa) aren't included.