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


TaxonomyBrowseInfoImagesLinksBooksData

Family Heptageniidae - Flatheaded Mayflies

Phylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Ephemeroptera - Mayflies
Suborder Pisciforma
Superfamily Heptagenioidea
Family Heptageniidae - Flatheaded Mayflies

Genus Cinygma
Species dimicki - Cinygma dimicki
Species integrum - Cinygma integrum
Species lyriforme - Cinygma lyriforme
Genus Cinygmula
Species reticulata - Cinygmula reticulata
Species subaequalis - Cinygmula subaequalis
Genus Ecdyonurus
Species criddlei - Little Slate-Winged Dun
Species simplicioides - Ecdyonurus simplicioides
Genus Epeorus
Species albertae - Epeorus albertae
Species deceptivus - Epeorus deceptivus
Species dispar - Epeorus dispar
Species dulciana - Epeorus dulciana
Species fragilis - Epeorus fragilis
Species frisoni - Epeorus frisoni
Species longimanus - Epeorus longimanus
Species namatus - Epeorus namatus
Species permagnus - Epeorus permagnus
Species pleuralis - Epeorus pleuralis
Species punctatus - Epeorus punctatus
Species suffusus - Epeorus suffusus
Species vitreus - Epeorus vitreus
Genus Heptagenia
Species adaequata - Heptagenia adaequata
Species culacantha - Heptagenia culacantha
Species elegantula - Heptagenia elegantula
Species flavescens - Heptagenia flavescens
Species marginalis - Heptagenia marginalis
Species pulla - Heptagenia pulla
Species solitaria - Heptagenia solitaria
Genus Ironodes
Species nitidus - Ironodes nitidus
Species lepidus - Ironodes lepidus
Genus Leucrocuta
Species aphrodite - Leucrocuta aphrodite
Species hebe - Leucrocuta hebe
Species jewetti - Leucrocuta jewetti
Species juno - Leucrocuta juno
Species maculipennis - Leucrocuta maculipennis
Species minerva - Leucrocuta minerva
Species petersi - Leucrocuta petersi
Species thetis - Leucrocuta thetis
Species umbratica - Leucrocuta umbratica
Species walshi - Leucrocuta walshi
Genus Maccaffertium
Species exiguum - Maccaffertium exiguum
Species ithaca - Maccaffertium ithaca
Species luteum - Maccaffertium luteum
Species mediopunctatum - Maccaffertium mediopunctatum
Subspecies arwini - Maccaffertium mediopunctatum arwini
Subspecies mediopunctatum - Maccaffertium mediopunctatum mediopunctatum
Species meririvulanum - Maccaffertium meririvulanum
Species mexicanum - Maccaffertium mexicanum
Subspecies integrum - Maccaffertium mexicanum integrum
Species modestum - Maccaffertium modestum
Species pudicum - Maccaffertium pudicum
Species pulchellum - Maccaffertium pulchellum
Species smithae - Maccaffertium smithae
Species terminatum - Maccaffertium terminatum
Subspecies placitum - Maccaffertium terminatum placitum
Subspecies terminatum - Maccaffertium terminatum terminatum
Species vicarium - Maccaffertium vicarium
Genus Macdunnoa
Genus Nixe
Species inconspicua - Nixe inconspicua
Species rusticalis - Nixe rusticalis
Species lucidipennis - Nixe lucidipennis
Genus Raptoheptagenia
Species cruentata - Raptoheptagenia cruentata
Genus Rhithrogena
Species anomala - Rhithrogena anomala
Species brunneotincta - Rhithrogena brunneotincta
Species flavianula - Rhithrogena flavianula
Species hageni - Rhithrogena hageni
Species impersonata - Rhithrogena impersonata
Genus Spinadis
Species simplex - Spinadis simplex
Genus Stenacron
Species candidum - Stenacron candidum
Species carolina - Stenacron carolina
Species floridense - Stenacron floridense
Species gildersleevei - Stenacron gildersleevei
No Taxon interpunctatum complex
Species interpunctatum - Stenacron interpunctatum
Species minnetonka - Stenacron minnetonka
Species pallidum - Stenacron pallidum
Genus Stenonema
Species femoratum - Stenonema femoratum