Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
Clickable Guide
Interactive image map to choose major taxa 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

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

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
TaxonomyBrowse
Info
ImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Brushleg Mayflies (Oligoneuriidae) » Homoeoneuria

Genus Homoeoneuria

Representative Images

Homoeoneuria homoeoneuria - Homoeoneuria Homoeoneuria Homoeoneuria From Missouri River in Elk Point, SD - Homoeoneuria alleni Homoeoneuria From Missouri River in Elk Point, SD - Homoeoneuria alleni Homoeoneuria From Missouri River in Elk Point, SD - Homoeoneuria alleni Homoeoneuria From Missouri River in Elk Point, SD - Homoeoneuria alleni Homoeoneuria From Missouri River in Elk Point, SD - Homoeoneuria alleni

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Pisciforma
Superfamily Heptagenioidea
Family Oligoneuriidae (Brushleg Mayflies)
Genus Homoeoneuria

Explanation of Names

Homoeoneuria Eaton 1881

Numbers

4 spp. in our area(1), 7 spp. total(2)

Size

body length: mature nymphs 8-12 mm, adults 6-11 mm

Identification

Adult: forewing with three longitudinal veins and no crossveins; three caudal filaments
Nymph: gill plates on segments 2-7 slender and elongate; forelegs without claws

Range

New World(2); in our area, sw. & w. US (north to se. Montana) through Midwest to se. US

Habitat

Mid-sized to large sandy rivers; nymphs found in loose- or shifting sand

Season

Across much of range, adults emerge in mid- to late summer; adults fly just above water surface, difficult to capture when present in low numbers

Life Cycle

Unknown but early instars present in early to mid-summer, mature nymphs present mid- to late summer at many sites

Print References

Pescador M.L., Peters W.L. (1980) A revision of the genus Homoeoneuria (Ephemeroptera: Oligoneuriidae). Transactions of the American Entomological Society 106: 357-393

Works Cited

1.Mayfly Central
2.Barber-James H., Sartori M., Gattolliat J-L., Webb J. (2013) World checklist of freshwater Ephemeroptera species
Contributed by Greg Courtney on 27 February, 2014 - 9:49am
Additional contributions by v belov

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2025 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo

Printer Friendly Version 		Terms of Use
Privacy Statement
Site Map
Contact