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

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

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Species Stenonema femoratum

Mayfly - Stenonema femoratum - female Mayfly - Stenonema femoratum Mayfly - Stenonema femoratum - male Mayfly - Stenonema femoratum Larvae Found under Rocks in Stream - Stenonema femoratum Flatheaded mayfly - Stenonema femoratum - female Flatheaded mayfly - Stenonema femoratum - female Mayfly - Stenonema femoratum
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
Species femoratum (Stenonema femoratum)
Explanation of Names
Stenonema femoratum (Say 1823)
Identification
The distinctive traits are tightly clustered crossveins near the bulla of the forewing in combination with three dark marks along the posterior edges of the terga. -- Lloyd Gonzales
Range
Canada, e. US(1) map(2)