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


Species Ephemera simulans

Representative Images

Mayfly - Ephemera simulans - male Unknown ephemeroptera - Ephemera simulans Mayfly - Ephemera simulans Burrower Mayfly - Ephemera simulans Ephemeroptera - Ephemera simulans Ephemeroptera - Ephemera simulans dark brown mayfly - Ephemera simulans - female mayfly - Ephemera simulans - male

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Furcatergalia
Infraorder Scapphodonta
Superfamily Ephemeroidea
Family Ephemeridae (Common Burrower Mayflies)
Genus Ephemera
Species simulans (Ephemera simulans)

Other Common Names

"Brown Drake" refers to more than one taxon

Explanation of Names

Ephemera simulans Walker 1853

Range

across NA (our most widespread sp. of the genus)(1) map(2)

Life Cycle

Nymphs mature in one year in most places, but sometimes they take two.

Internet References