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 wild-looking little thing completely puzzled me. At first I was thinking beetle or month larva, until I got a look at the pictures on the computer screen. I made a couple of incorrect guesses before entomologist Greg Courtney pointed me in the right direction with Psychodidae. He suggested a possible genus of Thornburghiella, but could not rule out some other members of the tribe Pericomini.
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Caddisfly Species Neureclipsis crepuscularis (Little Red Twilight Sedges)
Where & when
This species is common, but its activity is spread evenly over several months, weakening its importance considerably.In 109 records from GBIF, adults of this species have mostly been collected during June (25%), July (24%), May (20%), August (16%), September (8%), and April (6%).
In 26 records from GBIF, this species has been collected at elevations ranging from 3 to 4544 ft, with an average (median) of 850 ft.
Species Range
Start a Discussion of Neureclipsis crepuscularis
References
- LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.
Caddisfly Species Neureclipsis crepuscularis (Little Red Twilight Sedges)
Species Range
Common Name
Resources
- NatureServe
- Integrated Taxonomic Information System
- Global Biodiversity Information Facility
- Described by Walker (1852)