Common name	Scientific name	Family	Status	Weight	Countries
Tisa mayfly	Palingenia longicauda	Palingeniidae	Not recorded	Not recorded	Not recorded
Drake mackerel	Ephemera vulgata	Ephemeridae	Not recorded	Not recorded	Not recorded
Pond olive	Cloeon dipterum	Baetidae	Not recorded	Not recorded	Not recorded
Green dun	Ephemera danica	Ephemeridae	Not recorded	Not recorded	Not recorded
Pecatonica river mayfly	Acanthametropus pecatonica	Acanthametropodidae	Not recorded	Not recorded	Not recorded
Summer mayfly	Siphlonurus lacustris	Siphlonuridae	Not recorded	Not recorded	Not recorded
Small Spurwing	Centroptilum luteolum	Baetidae	Not recorded	Not recorded	Not recorded
Sepia dun	Leptophlebia marginata	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Yellow mayfly	Potamanthus luteus	Potamanthidae	Not recorded	Not recorded	Not recorded
Large Broadwings	Brachycercus harrisella	Caenidae	Not recorded	Not recorded	Not recorded
Claret dun	Leptophlebia vespertina	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Turkey brown	Paraleptophlebia submarginata	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Robust Pentagenia	Pentagenia robusta	Ephemeridae	Not recorded	Not recorded	Not recorded
Speckled dun	Callibaetis pictus	Baetidae	Not recorded	Not recorded	Not recorded
Lake olive	Cloeon simile	Baetidae	Not recorded	Not recorded	Not recorded
Sulphur dun	Ephemerella invaria	Ephemerellidae	Not recorded	Not recorded	Not recorded
Yellow may dun	Heptagenia sulphurea	Heptageniidae	Not recorded	Not recorded	Not recorded
March brown mayfly	Rhithrogena germanica	Heptageniidae	Not recorded	Not recorded	Not recorded
Blue-winged olive	Serratella ignita	Ephemerellidae	Not recorded	Not recorded	Not recorded
Light Cahill	Stenacron interpunctatum	Heptageniidae	Not recorded	Not recorded	Not recorded
Upland summer mayfly	Ameletus inopinatus	Ameletidae	Not recorded	Not recorded	Not recorded
Pale watery	Baetis fuscatus	Baetidae	Not recorded	Not recorded	Not recorded
Small eastern blue-winged olive	Baetis intercalaris	Baetidae	Not recorded	Not recorded	Not recorded
Large dark olive	Baetis rhodani	Baetidae	Not recorded	Not recorded	Not recorded
Little blue-winged olive	Baetis tricaudatus	Baetidae	Not recorded	Not recorded	Not recorded
Red speckled dun	Callibaetis ferrugineus	Baetidae	Not recorded	Not recorded	Not recorded
American sand-burrowing mayfly	Dolania americana	Behningiidae	Not recorded	Not recorded	Not recorded
Small western green drake	Drunella coloradensis	Ephemerellidae	Not recorded	Not recorded	Not recorded
Small blue-winged olive	Drunella walkeri	Ephemerellidae	Not recorded	Not recorded	Not recorded
Quill Gordon	Epeorus pleuralis	Heptageniidae	Not recorded	Not recorded	Not recorded
Coffinfly	Ephemera guttulata	Ephemeridae	Not recorded	Not recorded	Not recorded
Brown drake	Ephemera simulans	Ephemeridae	Not recorded	Not recorded	Not recorded
Pale dun	Ephemerella dorothea	Ephemerellidae	Not recorded	Not recorded	Not recorded
Red quill	Ephemerella subvaria	Ephemerellidae	Not recorded	Not recorded	Not recorded
Margined flat-headed mayfly	Heptagenia marginalis	Heptageniidae	Not recorded	Not recorded	Not recorded
Curious small minnow mayfly	Heterocloeon curiosum	Baetidae	Not recorded	Not recorded	Not recorded
Emergent mayfly	Hexagenia bilineata	Ephemeridae	Not recorded	Not recorded	Not recorded
Hex	Hexagenia limbata	Ephemeridae	Not recorded	Not recorded	Not recorded
Dun variant	Isonychia bicolor	Isonychiidae	Not recorded	Not recorded	Not recorded
Little sooty olive	Serratella serrata	Ephemerellidae	Not recorded	Not recorded	Not recorded
Spot-bellied spiny crawler mayfly	Serratella serratoides	Ephemerellidae	Not recorded	Not recorded	Not recorded
Northern summer mayfly	Siphlonurus alternatus	Siphlonuridae	Not recorded	Not recorded	Not recorded
White midge	Caenis luctuosa	Caenidae	Not recorded	Not recorded	Not recorded
Spinygilled mayfly	Coloburiscus humeralis	Coloburiscidae	Not recorded	Not recorded	Not recorded
Western green drake	Drunella doddsi	Ephemerellidae	Not recorded	Not recorded	Not recorded
Little western dark Hendrickson	Ephemerella tibialis	Ephemerellidae	Not recorded	Not recorded	Not recorded
Lake Hex	Hexagenia atrocaudata	Ephemeridae	Not recorded	Not recorded	Not recorded
Black quill	Leptophlebia cupida	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Fresh flat-headed mayfly	Maccaffertium meririvulanum	Heptageniidae	Not recorded	Not recorded	Not recorded
Small swimming mayfly	Nesameletus ornatus	Nesameletidae	Not recorded	Not recorded	Not recorded
Dappled prong-gilled mayfly	Paraleptophlebia guttata	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Pale evening dun	Procloeon bifidum	Baetidae	Not recorded	Not recorded	Not recorded
Tomah mayfly	Siphlonisca aerodromia	Siphlonuridae	Not recorded	Not recorded	Not recorded
Carolina flat-headed mayfly	Stenacron carolina	Heptageniidae	Not recorded	Not recorded	Not recorded
Gildersleeve's Stenacron mayfly	Stenacron gildersleevei	Heptageniidae	Not recorded	Not recorded	Not recorded
Dark Cahill	Stenonema femoratum	Heptageniidae	Not recorded	Not recorded	Not recorded
Ameletopsis mayfly	Ameletopsis perscitus	Ameletopsidae	Not recorded	Not recorded	Not recorded
Primitive minnow mayfly	Ameletus edmundsi	Ameletidae	Not recorded	Not recorded	Not recorded
False Ameletus mayfly	Ameletus falsus	Ameletidae	Not recorded	Not recorded	Not recorded
Golden drake	Anthopotamus distinctus	Potamanthidae	Not recorded	Not recorded	Not recorded
Tusked Sprawler	Anthopotamus verticis	Potamanthidae	Not recorded	Not recorded	Not recorded
Tapered spiny crawler mayfly	Attenella attenuata	Ephemerellidae	Not recorded	Not recorded	Not recorded
Blue-winged rusty dun	Baetis brunneicolor	Baetidae	Not recorded	Not recorded	Not recorded
Small dark olive	Baetis scambus	Baetidae	Not recorded	Not recorded	Not recorded
Medium olive	Baetis vernus	Baetidae	Not recorded	Not recorded	Not recorded
Etowah small square-gilled mayfly	Cercobrachys etowah	Caenidae	Not recorded	Not recorded	Not recorded
Fox small square-gilled mayfly	Cercobrachys fox	Caenidae	Not recorded	Not recorded	Not recorded
Winnebago small square-gilled mayfly	Cercobrachys winnebago	Caenidae	Not recorded	Not recorded	Not recorded
Hagen's small minnow mayfly	Diphetor hageni	Baetidae	Not recorded	Not recorded	Not recorded
Large blue-winged olive	Drunella cornuta	Ephemerellidae	Not recorded	Not recorded	Not recorded
Flav	Drunella flavilinea	Ephemerellidae	Not recorded	Not recorded	Not recorded
Western green drake	Drunella grandis	Ephemerellidae	Not recorded	Not recorded	Not recorded
Western slate olive	Drunella spinifera	Ephemerellidae	Not recorded	Not recorded	Not recorded
Little slate-winged dun	Ecdyonurus criddlei	Heptageniidae	Not recorded	Not recorded	Not recorded
Leonard springs flat-headed mayfly	Epeorus namatus	Heptageniidae	Not recorded	Not recorded	Not recorded
Colorado burrowing mayfly	Ephemera compar	Ephemeridae	Not recorded	Not recorded	Not recorded
Four-lined giant mayfly	Ephemera glaucops	Ephemeridae	Not recorded	Not recorded	Not recorded
Yellow drake	Ephemera varia	Ephemeridae	Not recorded	Not recorded	Not recorded
Pale morning dun	Ephemerella excrucians	Ephemerellidae	Not recorded	Not recorded	Not recorded
White fly	Ephoron album	Polymitarcyidae	Not recorded	Not recorded	Not recorded
Florida Hex	Hexagenia orlando	Ephemeridae	Not recorded	Not recorded	Not recorded
Great olive-winged drake	Hexagenia rigida	Ephemeridae	Not recorded	Not recorded	Not recorded
Sand-loving brush-legged mayfly	Homoeoneuria ammophila	Oligoneuriidae	Not recorded	Not recorded	Not recorded
Arid howdy mayfly	Isonychia arida	Isonychiidae	Not recorded	Not recorded	Not recorded
Brown may dun	Kageronia fuscogrisea	Heptageniidae	Not recorded	Not recorded	Not recorded
Johnson's Pronggill mayfly	Leptophlebia johnsoni	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Jewett's flat-headed mayfly	Leucrocuta jewetti	Heptageniidae	Not recorded	Not recorded	Not recorded
Large swimming mayfly	Oniscigaster distans	Oniscigastridae	Not recorded	Not recorded	Not recorded
Streaky prong-gilled mayfly	Paraleptophlebia strigula	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Large Spurwing	Procloeon pennulatum	Baetidae	Not recorded	Not recorded	Not recorded
White crabwalker mayfly	Pseudiron centralis	Heptageniidae	Not recorded	Not recorded	Not recorded
Dark red quill	Rhithrogena impersonata	Heptageniidae	Not recorded	Not recorded	Not recorded
Minno's primitive minnow mayfly	Siphlonurus minnoi	Siphlonuridae	Not recorded	Not recorded	Not recorded
Lacustrine small square-gilled mayfly	Sparbarus lacustris	Caenidae	Not recorded	Not recorded	Not recorded
Maculated small square-gilled mayfly	Sparbarus maculatus	Caenidae	Not recorded	Not recorded	Not recorded
Large-nosed small square-gilled mayfly	Sparbarus nasutus	Caenidae	Not recorded	Not recorded	Not recorded
Great red quill	Timpanoga hecuba	Ephemerellidae	Not recorded	Not recorded	Not recorded
Karāroa mayfly	Aupouriella pohei	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Scarce olive	Baetis buceratus	Baetidae	Not recorded	Not recorded	Not recorded
Iron blue quill	Baetis magnus	Baetidae	Not recorded	Not recorded	Not recorded
Eglin Caenis mayfly	Caenis eglinensis	Caenidae	Not recorded	Not recorded	Not recorded
Waltz's small minnow mayfly	Camelobaetidius waltzi	Baetidae	Not recorded	Not recorded	Not recorded
Gartrell's flat-headed mayfly	Cinygmula gartrelli	Heptageniidae	Not recorded	Not recorded	Not recorded
Kootenay flat-headed mayfly	Cinygmula kootenai	Heptageniidae	Not recorded	Not recorded	Not recorded
Striped mayfly	Ephemera lineata	Ephemeridae	Not recorded	Not recorded	Not recorded
Little dark Hendrickson	Ephemerella needhami	Ephemerellidae	Not recorded	Not recorded	Not recorded
Bicolor spiny crawler mayfly	Eurylophella bicolor	Ephemerellidae	Not recorded	Not recorded	Not recorded
Dirty spiny crawler mayfly	Eurylophella lutulenta	Ephemerellidae	Not recorded	Not recorded	Not recorded
South African prong-gill	Euthraulus elegans	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Dusky flat-headed mayfly	Heptagenia pulla	Heptageniidae	Not recorded	Not recorded	Not recorded
Southern giant mayfly	Hexagenia albivitta	Ephemeridae	Not recorded	Not recorded	Not recorded
Dark green drake	Litobrancha recurvata	Ephemeridae	Not recorded	Not recorded	Not recorded
Flowers's flat-headed mayfly	Nixe flowersi	Heptageniidae	Not recorded	Not recorded	Not recorded
Clear-winged flat-headed mayfly	Nixe lucidipennis	Heptageniidae	Not recorded	Not recorded	Not recorded
Large swimming mayfly	Oniscigaster wakefieldi	Oniscigastridae	Not recorded	Not recorded	Not recorded
Purple dun	Paraleptophlebia cincta	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Burks's prong-gilled mayfly	Paraleptophlebia sticta	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Scarce purple dun	Paraleptophlebia werneri	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Passive small minnow mayfly	Procloeon inanum	Baetidae	Not recorded	Not recorded	Not recorded
Insignificant small minnow mayfly	Procloeon insignificans	Baetidae	Not recorded	Not recorded	Not recorded
Predaceous flat-headed mayfly	Raptoheptagenia cruentata	Heptageniidae	Not recorded	Not recorded	Not recorded
Western Gordon quill	Rhithrogena futilis	Heptageniidae	Not recorded	Not recorded	Not recorded
Western black quill	Rhithrogena hageni	Heptageniidae	Not recorded	Not recorded	Not recorded
March brown	Rhithrogena morrisoni	Heptageniidae	Not recorded	Not recorded	Not recorded
Olive upright	Rhithrogena semicolorata	Heptageniidae	Not recorded	Not recorded	Not recorded
Columbia flat-headed mayfly	Rhithrogena virilis	Heptageniidae	Not recorded	Not recorded	Not recorded
Frison's Serratella	Serratella frisoni	Ephemerellidae	Not recorded	Not recorded	Not recorded
Flapless cleft-footed minnow mayfly	Siphloplecton interlineatum	Metretopodidae	Not recorded	Not recorded	Not recorded
Wallace's deepwater mayfly	Spinadis simplex	Heptageniidae	Not recorded	Not recorded	Not recorded
Lewis's prong-gilled mayfly	Traverella lewisi	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Autumn dun	Ecdyonurus dispar	Heptageniidae	Not recorded	Not recorded	Not recorded
Large green dun	Ecdyonurus insignis	Heptageniidae	Not recorded	Not recorded	Not recorded
Large brook dun	Ecdyonurus torrentis	Heptageniidae	Not recorded	Not recorded	Not recorded
Scarce dusky yellowstreak	Electrogena affinis	Heptageniidae	Not recorded	Not recorded	Not recorded
Oriental mayfly	Ephemera orientalis	Ephemeridae	Not recorded	Not recorded	Not recorded
Yellow evening dun	Ephemerella notata	Ephemerellidae	Not recorded	Not recorded	Not recorded
Pop-eyed mayfly	Machadorythus maculatus	Machadorythidae	Not recorded	Not recorded	Not recorded
Scarce summer mayfly	Siphlonurus armatus	Siphlonuridae	Not recorded	Not recorded	Not recorded
Six-gilled sulphur dun	Afroptilum sudafricanum	Baetidae	Not recorded	Not recorded	Not recorded
Galling small minnow mayfly	Baetis persecutor	Baetidae	Not recorded	Not recorded	Not recorded
Red border-wing	Cloeon lacunosum	Baetidae	Not recorded	Not recorded	Not recorded
Two-winged waterfall Baetid	Demoreptus natalensis	Baetidae	Not recorded	Not recorded	Not recorded
Dusky yellowstreak	Electrogena lateralis	Heptageniidae	Not recorded	Not recorded	Not recorded
Mooi river burrower	Ephemera mooiana	Ephemeridae	Not recorded	Not recorded	Not recorded
Mayfly	Heptagenia longicauda	Heptageniidae	Not recorded	Not recorded	Not recorded
Big tusked wood burrower	Povilla adusta	Polymitarcyidae	Not recorded	Not recorded	Not recorded
Southern African false Pannote Baetid	Pseudopannota maculosa	Baetidae	Not recorded	Not recorded	Not recorded
Yellow brachycercus mayfly	Sparbarus flavus	Caenidae	Not recorded	Not recorded	Not recorded
Manitoba white burrowing mayfly	Tortopsis primus	Polymitarcyidae	Not recorded	Not recorded	Not recorded
Gila mayfly	Lachlania dencyannae	Oligoneuriidae	Not recorded	Not recorded	Not recorded
Not recorded	Ableptemetes dicinctus	Leptohyphidae	Not recorded	Not recorded	Not recorded
Not recorded	Ableptemetes melanobranchus	Leptohyphidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthametropus nikolskyi	Acanthametropodidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops cooperi	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops delphinae	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops elgonensis	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops erepens	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops faro	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops gosei	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops griffithsi	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops io	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops marlieri	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops namorona	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops spinosum	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops tsitsa	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops variegatus	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops varius	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthiops zomba	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acanthophlebia cruentata	Leptophlebiidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella alachua	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella almohades	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella barbarae	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella chantauensis	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella charadra	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella diptera	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella feminalis	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella fenestrata	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella feropagus	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella fimbriata	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella glareosa	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella gnom	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella hyaloptera	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella inexpectata	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella insignificans	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella joosti	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella lapponica	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella lata	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella nadineae	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella parvula	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella rallatoma	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella scabriventris	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella sibirica	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella sinaica	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella suzukiella	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella tonneri	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acentrella turbida	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acerobiella alinae	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acerpenna akataleptos	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acerpenna macdunnoughi	Baetidae	Not recorded	Not recorded	Not recorded
Not recorded	Acerpenna pygmaea	Baetidae	Not recorded	Not recorded	Not recorded