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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.
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Mayfly Species Paraleptophlebia clara

Where & when

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

Species Range

Physical description

Most physical descriptions on Troutnut are direct or slightly edited quotes from the original scientific sources describing or updating the species, although there may be errors in copying them to this website. Such descriptions aren't always definitive, because species often turn out to be more variable than the original describers observed. In some cases, only a single specimen was described! However, they are useful starting points.

Male Spinner

Body length: 6 mm
Wing length: 7 mm

A brown species; longitudinal veins light brown.

Head and thorax brown. Fore legs brown. Wings hyaline; cross veins pale, almost invisible; longitudinal veins light brown. Abdominal tergites deep blackish brown, the apical segments somewhat lighter brown. Blackish markings in the region of the spiracles. Sternites pale brownish; 1-7 hyaline, 8 and 9 opaque, deeper brown. Penes as in fig. 135.


Start a Discussion of Paraleptophlebia clara

References

  • Needham, James G., Jay R. Traver, and Yin-Chi Hsu. 1935. The Biology of Mayflies. Comstock Publishing Company, Inc.

Mayfly Species Paraleptophlebia clara

Species Range
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