Salmonflies (Pteronarcyidae Family)
We are jumping from the smallest aquatic insects in Yellowstone National Park, or
midges, to the largest aquatic insects in the park, which are Salmonflies. Species
of this Pteronarcyidae family of stoneflies are called “Giant Stoneflies”. These are
the largest stoneflies there are. This family of stoneflies contains two genera,
Pieronarcys and Pteronarcella, that are important to fly fishers.
The Pieronarcys genus includes the californica species or the famous “Giant
Salmon Fly” and that is the species that you need to become familiar with. This is
a very large stonefly. Both the adults and nymphs can be up to three inches long.
The nymphs live from two to four years.
The salmonfly hatch can offer some of the best fly fishing action the West has to
offer. Both the nymphs and the adult salmonflies are eaten by trout. Most of the
streams in the West that have fast water, have these huge stoneflies.
We are jumping from the smallest aquatic insects in Yellowstone National Park, or
midges, to the largest aquatic insects in the park, which are Salmonflies. Species
of this Pteronarcyidae family of stoneflies are called “Giant Stoneflies”. These are
the largest stoneflies there are. This family of stoneflies contains two genera,
Pieronarcys and Pteronarcella, that are important to fly fishers.
The Pieronarcys genus includes the californica species or the famous “Giant
Salmon Fly” and that is the species that you need to become familiar with. This is
a very large stonefly. Both the adults and nymphs can be up to three inches long.
The nymphs live from two to four years.
The salmonfly hatch can offer some of the best fly fishing action the West has to
offer. Both the nymphs and the adult salmonflies are eaten by trout. Most of the
streams in the West that have fast water, have these huge stoneflies.
Copyright 2008 James Marsh
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