Header image
Enter a name
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.

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.

Stonefly Family Chloroperlidae (Sallfly)

These stoneflies, the "little yellows" and "little greens," are quite common Summer fauna. They are spread out in a mix between the different genera. The common name for them is Sallfly.

Where & when

In 215 records from GBIF, adults of this family have mostly been collected during May (31%), June (25%), April (20%), July (11%), and March (10%).

In 88 records from GBIF, this family has been collected at elevations ranging from 49 to 11201 ft, with an average (median) of 8579 ft.

Family Range

Hatching behavior

Time of day : Morning

Egg-Laying behavior

Time of day: Afternoon and evening

Specimens of the Stonefly Family Chloroperlidae

5 Female Adults
14 Adults
1 Male Adult
11 Nymphs

2 Streamside Pictures of Chloroperlidae Stoneflies:

Start a Discussion of Chloroperlidae


Stonefly Family Chloroperlidae (Sallfly)

» Family Chloroperlidae (Sallflies)
7 genera (Alaskaperla, Bisancora, Plumiperla, Rasvena, Sasquaperla, Triznaka, and Utaperla) aren't included.
Family Range
Troutnut.com is copyright © 2004-2023 (email Jason). privacy policy