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.

Middle Fork Snoqualmie

From the Middle Fork Snoqualmie River in Washington

Stream photos

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Hydropsyche (Spotted Sedge) Caddisfly Larva Hydropsyche (Spotted Sedge) Caddisfly Larva

Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington

With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.

9 Recently Added Photos

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.

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Stonefly Genus Paraleuctra (Tiny Winter Blacks)

Where & when

In 1 records from GBIF, adults of this genus have been collected during June (100%).

Genus Range

source

Map of specific collection sites

Specimens of the Stonefly Genus Paraleuctra

1 Adult

Paraleuctra occidentalis (Tiny Winter Black) Stonefly Adult

1 Picture

Paraleuctra occidentalis (Leuctridae) (Tiny Winter Black) Stonefly Adult from the Touchet River in Washington

Members of the family Leuctridae are usually easily identified to family due to the "rolled" wing. They are small, nearly 1/4 " in length, black in color and emerge in early spring.

Collected March 6, 2012 from the Touchet River in Washington

Added by Bnewell on March 20, 2012

Collected March 6, 2012 from the Touchet River in Washington and added by Bnewell on March 20, 2012