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For Insects, Spiders & Their Kin
For the United States & Canada
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Genus Isoperla

stonefly - Isoperla transmarina - female stonefly - Isoperla montana Stonefly - Isoperla Isoperla namata Isoperla namata Isoperla similis Isoperla Isoperla  - Isoperla
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Plecoptera (Stoneflies)
Superfamily Perloidea
Family Perlodidae (Perlodid Stoneflies)
Subfamily Isoperlinae (Green-winged Stoneflies)
Genus Isoperla
Explanation of Names
Isoperla Banks 1906
60 spp. in our area (54 in contiguous US), 158 total(1)(2)(3)
holarctic + a few in so. Asia; in our area, throughout NA(3)