Species of this Pteronarcyidae
family are called Giant
Stoneflies. This one is the
Pteronarcys dorsata often
called the "Giant Black".  They are
found in the East and Midwest.
The nymph is more important
than the adult but trout can be
taken on both flies.
(click here for more info)
Nymph
Adult
Giant Black Stonefly
Giant Black (Imitations)
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Copyright 2013 James Marsh
Side/bottom
View of Adult
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2.25
2.25
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