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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
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.

27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Caddisfly Species Lepidostoma pluviale (Little Brown Sedges)

This is the most important Western species of Lepidostoma, and it can be very important to fly anglers.

Where & when

Time of year : June through September; best in June and July

Preferred waters: Rivers and lakes or still backwaters

In 50 records from GBIF, adults of this species have mostly been collected during July (48%), June (22%), August (18%), and September (6%).

In 46 records from GBIF, this species has been collected at elevations ranging from 1690 to 19701 ft, with an average (median) of 6493 ft.

Species Range

Hatching behavior

Time of day : Daytime

Larva & pupa biology

Shelter type: Round sand cases


Start a Discussion of Lepidostoma pluviale

References

Caddisfly Species Lepidostoma pluviale (Little Brown Sedges)

Taxonomy
Species Range
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