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Upcoming Events

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Genus Pteronarcys - Giant Stoneflies

Giant Stonefly - Pteronarcys biloba Stonefly? - Pteronarcys - female Pteronarcys californica Pteronarcys biloba Pteronarcys proteus Pteronarchys (californica?) - Pteronarcys Pteronarcyidae: Pteronarcys - Pteronarcys giant stonefly - Pteronarcys
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Plecoptera (Stoneflies)
Superfamily Pteronarcyoidea
Family Pteronarcyidae (Giant Stoneflies)
Genus Pteronarcys (Giant Stoneflies)
Other Common Names
Explanation of Names
Pteronarcys Newman 1838
Greek pteron (πτηρον) 'feather, wing' + arkys (αρκυς) 'net'
8 spp. in our area, 10 total(1)(2)
holarctic (2 spp. in E. Asia), incl. much of NA, significantly more diverse in the west and in the Appalachians(1)(2)
See Also
Pteronarcella (smaller, not found east of the Rocky Mts)