Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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

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


Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Stenonema

Mayfly - Stenonema femoratum - male Mayfly - Stenonema femoratum - male Mayfly - Stenonema femoratum - male White Mayfly - Stenonema femoratum White Mayfly - Stenonema femoratum Heptageniidae - Stenonema femoratum Maccaffertium subimago confirmed - Stenonema femoratum - male Stenonema femoratum? - Stenonema femoratum - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Pisciforma
Superfamily Heptagenioidea
Family Heptageniidae (Flatheaded Mayflies)
Genus Stenonema
Synonyms and other taxonomic changes
some workers [e.g., (1)] include here members of Maccaffertium
Explanation of Names
Stenonema Traver 1933
Numbers
monotypic genus(2), but see above
Range
nearctic(2)