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

TaxonomyBrowseInfoImagesLinksBooksData

Order Ephemeroptera - Mayflies

Phylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Ephemeroptera - Mayflies

Suborder Carapacea
Family Baetiscidae - Armored Mayflies
Genus Baetisca
Species berneri - Baetisca berneri
Species lacustris - Baetisca lacustris
Species laurentina - Baetisca laurentina
Species rogersi - Baetisca rogersi
Suborder Furcatergalia
Family Leptophlebiidae - Pronggilled Mayflies
Genus Choroterpes
Genus Habrophlebia
Species vibrans - Habrophlebia vibrans
Genus Habrophlebiodes
Species americana - Habrophleboides americana
Genus Leptophlebia
Species cupida - Early Brown Spinner
Species intermedia - Leptophlebia intermedia
Species nebulosa - Leptophlebia nebulosa
Species pacifica - Leptophlebia pacifica
Genus Neoleptophlebia
Species assimilis - Neoleptophlebia assimilis
Species heteronea - Neoleptophlebia heteronea
Species memorialis - Neoleptophlebia memorialis
Species mollis - Neoleptophlebia mollis
Genus Paraleptophlebia
Species aquilina - Paraleptophlebia aquilina
Species bicornuta - Paraleptophlebia bicornuta
Species debilis - Paraleptophlebia debilis
Species gregalis - Paraleptophlebia gregalis
Species guttata - Paraleptophlebia guttata
Species helena - Paraleptophlebia helena
Species praepedita - Paraleptophlebia praepedita
Species strigula - Paraleptophlebia strigula
Species vaciva - Paraleptophlebia vaciva
Genus Thraulodes
Species speciosus - Thraulodes speciosus
Genus Traverella
Species albertana - Traverella albertana
Infraorder Scapphodonta
Family Potamanthidae - Hacklegilled Burrower Mayflies
Genus Anthopotamus
Species distinctus - Anthopotamus distinctus
Species myops - Anthopotamus myops
Species neglectus - Anthopotamus neglectus
Species verticis - Anthopotamus verticis
Superfamily Ephemeroidea
Family Ephemeridae - Common Burrower Mayflies
Genus Ephemera
Species blanda - Ephemera blanda
Species guttulata - Green Drake
Species simulans - Ephemera simulans
Species varia - Yellow Drake
Genus Hexagenia
Species atrocaudata - Hexagenia atrocaudata
Species bilineata - Hexagenia bilineata
Species limbata - Hexagenia limbata
Species orlando - Hexagenia orlando
Species rigida - Hexagenia rigida
Genus Litobrancha
Species recurvata - Litobrancha recurvata
Family Palingeniidae - Riverbed Burrower Mayflies
Genus Pentagenia
Species vittigera - Pentagenia vittigera
Family Polymitarcyidae - Pale Burrower Mayflies
Genus Ephoron - White Flies
Species leukon - White Fly
Species album - White Fly
Genus Tortopsis
Species puella - Tortopsis puella
Species primus - Tortopsis primus
Genus Tortopus
Family Behningiidae - Sand-burrowing Mayfly
Genus Dolania - American Sand-burrowing Mayfly
Species americana - Dolania americana
Infraorder Pannota
Superfamily Caenoidea
Family Caenidae - Small Squaregilled Mayflies
Genus Brachycercus
Species harrisellus - Brachycercus harrisellus
Species nitidus - Brachycercus nitidus
Genus Caenis
Species hilaris - Caenis hilaris
Species latipennis - Caenis latipennis
Species tardata - Caenis tardata
Superfamily Ephemerelloidea
Family Ephemerellidae - Spiny Crawler Mayflies
Genus Attenella
Species attenuata - Attenella attenuata
Species delantala - Attenella delantala
Species margarita - Attenella margarita
Species soquele - Attenella soquele
Genus Caudatella
Species heterocaudata - Caudatella heterocaudata
Genus Drunella
Species coloradensis - Drunella coloradensis
Species cornuta - Drunella cornuta
Species cornutella - Drunella cornutella
Species doddsii - Drunella doddsii
Species flavilinea - Drunella flavilinea
Species grandis - Drunella grandis
Species lata - Drunella lata
Species pelosa - Drunella pelosa
Species spinifera - Drunella spinifera
Species tuberculata - Drunella tuberculata
Species walkeri - Drunella walkeri
Genus Ephemerella
Species aurivillii - Ephemerella aurivillii
Species dorothea - Ephemerella dorothea
Subspecies dorothea - Ephemerella dorothea dorothea
Subspecies infrequens - Ephemerella dorothea infrequens
Species excrucians - Ephemerella excrucians
Species invaria - Ephemerella invaria
Species maculata - Ephemerella maculata
Species subvaria - Ephemerella subvaria
Species tibialis - Ephemerella tibialis
Species verruca - Ephemerella verruca
Genus Eurylophella
Species aestiva - Eurylophella aestiva
Species bicolor - Eurylophella bicolor
Species funeralis - Eurylophella funeralis
Species lodi - Eurylophella lodi
Species prudentalis - Eurylophella prudentalis
Species temporalis - Eurylophella temporalis
Species verisimilis - Eurylophella verisimilis
Genus Matriella
Species teresa - Matriella teresa
Genus Penelomax
Species septentrionalis - Penelomax septentrionalis
Genus Serratella
Species levis - Serratella levis
Species micheneri - Serratella micheneri
Species serrata - Serratella serrata
Species serratoides - Serratella serratoides
Genus Teloganopsis
Species deficiens - Teloganopsis deficiens
Genus Timpanoga
Species hecuba - Timpanoga hecuba
Genus Tsalia
Species berneri - Tsalia berneri
Family Leptohyphidae - Little Stout Crawler Mayflies
Genus Leptohyphes
Genus Tricorythodes
Species explicatus - Tricorythodes explicatus
Family Neoephemeridae - Large Squaregill Mayfly
Genus Neoephemera - Large Squaregill Mayfly
Species purpurea - Neoephemera purpurea
Species youngi - Neoephemera youngi
Suborder Pisciforma
Family Ameletidae - Combmouthed Minnow Mayflies
Genus Ameletus
Species browni - Ameletus browni
Species celer - Ameletus celer
Species cryptostimulus - Ameletus cryptostimulus
Species lineatus - Ameletus lineatus
Species ludens - Ameletus ludens
Species similior - Ameletus similior
Species subnotatus - Ameletus subnotatus
Species tertius - Ameletus tertius
Species validus - Ameletus validus
Species velox - Ameletus velox
Species vernalis - Ameletus vernalis
Family Ametropodidae - Sand Minnows
Genus Ametropus
Species ammophilus - Ametropus ammophilus
Family Baetidae - Small Minnow Mayflies
Genus Acentrella
Species feropagus - Acentrella feropagus
Species insignificans - Acentrella insignificans
Species nadineae - Acentrella nadineae
Species turbida - Acentrella turbida
Genus Acerpenna
Species pygmaea - Acerpenna pygmaea
Species macdunnoughi - Acerpenna macdunnoughi
Genus Anafroptilum
Species album - Anafroptilum album
Species asperatum - Anafroptilum asperatum
Species bifurcatum - Anafroptilum bifurcatum
Species conturbatum - Anafroptilum conturbatum
Species minor - Anafroptilum minor
Genus Baetis
Species alius - Baetis alius
Species bicaudatus - Baetis bicaudatus
Species brunneicolor - Baetis brunneicolor
Species flavistriga - Baetis flavistriga
Species intercalaris - Baetis intercalaris
Species notos - Baetis notos
Species piscatoris - Baetis piscatoris
Species pluto - Baetis pluto
Species tricaudatus - Baetis tricaudatus
Genus Callibaetis
Species californicus - Callibaetis californicus
Species ferrugineus - Callibaetis ferrugineus
Subspecies hageni - Callibaetis ferrugineus hageni
Subspecies ferrugineus - Callibaetis ferrugineus ferrugineus
Species floridanus - Callibaetis floridanus
Species fluctuans - Callibaetis fluctuans
Species montanus - Callibaetis montanus
Species pallidus - Callibaetis pallidus
Species pictus - Callibaetis pictus
Species pretiosus - Callibaetis pretiosus
Species skokianus - Callibaetis skokianus
Genus Camelobaetidius
Species warreni - Camelobaetidius warreni
Genus Centroptilum
Genus Cloeon
Species dipterum - Cloeon dipterum
Genus Diphetor
Species hageni - Diphetor hageni
Genus Fallceon - Blue-winged Olives
Species quilleri - Fallceon quilleri
Genus Heterocloeon
Species amplum - Heterocloeon amplum
Species curiosum - Heterocloeon curiosum
Species petersi - Heterocloeon petersi
Genus Iswaeon
Species anoka - Iswaeon anoka
Genus Labiobaetis
Species propinquus - Labiobaetis propinquus
Genus Neocloeon
Genus Paracloeodes
Species minutus - Paracloeodes minutus
Genus Plauditus
Species cestus - Plauditus cestus
Species dubius - Plauditus dubius
Species gloveri - Plauditus gloveri
Species punctiventris - Plauditus punctiventris
Genus Procloeon
Species nelsoni - Procloeon nelsoni
Species rubropictum - Procloeon rubropictum
Species rufostrigatum - Procloeon rufostrigatum
Species vicinum - Procloeon vicinum
Species viridoculare - Procloeon viridoculare
Family Metretopodidae - Cleftfooted Minnow Mayflies
Genus Siphloplecton
Species basale - Siphloplecton basale
Species speciosum - Siphloplecton speciosum
Genus Metretopus
Species borealis - Metretopus borealis
Family Siphlonuridae - Primitive Minnow Mayflies
Genus Siphlonurus
Species alternatus - Siphlonurus alternatus
Species columbianus - Siphlonurus columbianus
Species marshalli - Siphlonurus marshalli
Species mirus - Siphlonurus mirus
Species occidentalis - Siphlonurus occidentalis
Species phyllis - Siphlonurus phyllis
Species quebecensis - Siphlonurus quebecensis
Species rapidus - Siphlonurus rapidus
Species securifer - Siphlonurus securifer
Species spectabilis - Siphlonurus spectabilis
Species typicus - Siphlonurus typicus
Superfamily Heptagenioidea
Family Arthropleidae - Flatheaded Mayflies
Genus Arthroplea
Species bipunctata - Arthroplea bipunctata
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
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 vitreus - Epeorus vitreus
Genus Heptagenia
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 lepidus - Ironodes lepidus
Species nitidus - Ironodes nitidus
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 rusticalis - Nixe rusticalis
Species lucidipennis - Nixe lucidipennis
Species inconspicua - Nixe inconspicua
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
Family Isonychiidae - Brushlegged Mayflies
Genus Isonychia
Species arida - Isonychia arida
Species bicolor - Isonychia bicolor
Species campestris - Isonychia campestris
Species georgiae - Isonychia georgiae
Species intermedia - Isonychia intermedia
Species obscura - Isonychia obscura
Species rufa - Isonychia rufa
Species sicca - Isonychia sicca
Species tusculanensis - Isonychia tusculanensis
Species velma - Isonychia velma
Family Oligoneuriidae - Brushleg Mayflies
Genus Homoeoneuria
Species alleni - Homoeoneuria alleni
Family Pseudironidae - Crabwalker Mayflies
Genus Pseudiron
Species centralis - Pseudiron centralis
Family Acanthametropodidae - Sand-dwelling Mayflies
Genus Analetris
Species eximia - Analetris eximia
No Taxon missing taxa