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Giant Stoneflies and Salmonflies
Pteronarcys
Pteronarcys is a genus of giant stoneflies in the family Pteronarcyidae. There are about 8 described species in Pteronarcys.
10 branches of this genus, most-observed first

California Giant Stonefly
speciesPteronarcys californica

American Salmonfly
speciesPteronarcys dorsata

Knobbed Salmonfly
speciesPteronarcys biloba

Appalachian Salmonfly
speciesPteronarcys proteus

Midwestern Salmonfly
speciesPteronarcys pictetii

Ebony Salmonfly
speciesPteronarcys princeps

Pteronarcys sachalina
speciesPteronarcys sachalina

Pteronarcys reticulata
speciesPteronarcys reticulata

Spiny Salmonfly
speciesPteronarcys comstocki

Carolina Salmonfly
speciesPteronarcys scotti
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Pteronarcys in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 47502.