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

Mayfly Larva - Siphlonurus Siphlonurus marshalli ? - Siphlonurus marshalli Mayfly ID - Siphlonurus alternatus Mayfly - Siphlonurus occidentalis Mayfly - Siphlonurus - male Mayfly IMG_6793 - Siphlonurus Siphlonuridae? - Siphlonurus Mayfly for ID - Siphlonurus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Pisciforma
Family Siphlonuridae (Primitive Minnow Mayflies)
Genus Siphlonurus
Explanation of Names
Siphlonurus Eaton 1868
20 spp. in our area(1), 40 spp. total(2)
holarctic genus(2)