Mayflies

Species for Taxon

Scientific Name Common Name RSGCN Concern Global Rank Federal Status RSGCN Status
Neoephemera eatoni a large square-gilled mayfly Moderate GNR NA Watchlist [Defer to SEAFWA]
Acentrella barbarae a mayfly Moderate G2G3 NA Watchlist [Defer to SEAFWA]
Ameletus tertius Trinity Comb Minnow Mayfly Moderate G4 NA Watchlist [Assessment Priority]
Afghanurus rusticalis Rusty Flat-headed Mayfly Moderate G5 NA RSGCN
Eurylophella coxalis Barton's Spiny Crawler Mayfly Moderate G5 NA Proposed RSGCN
Epeorus subpallidus a mayfly Moderate G1Q NA Proposed RSGCN
Procloeon vicinum Potomac Small Minnow Mayfly High G2G3 NA Watchlist [Assessment Priority]
Ameletus walleyi Walley's Comb Minnow Mayfly High G1G2 NA Proposed Watchlist [Assessment Priority]
Rhithrogena jejuna Hungry Flat-headed Mayfly High G5 NA Proposed Watchlist [Assessment Priority]
Rhithrogena brunneotincta Brown Flat-headed Mayfly High G3 NA Proposed RSGCN
Epeorus suffusus Blushing Flat-headed Mayfly High G1Q NA Watchlist [Assessment Priority]
Isonychia hoffmani Hoffman's Isonychia Mayfly Moderate G1G3 NA Watchlist [Defer to SEAFWA]
Heptagenia culacantha a flat-headed mayfly Moderate G2G3 NA RSGCN
Habrophlebiodes celeteria a leptophlebiid mayfly Moderate G2G4 NA Watchlist [Defer to SEAFWA]
Ameletus browni Brown's Comb Minnow Mayfly High G3G4 NA RSGCN
Eurylophella poconoensis Poconos Chocolate Dun High G1G2 NA Watchlist [Assessment Priority]
Tsalia berneri Berner's Ephemerella Mayfly Moderate G4 NA Watchlist [Defer to SEAFWA]
Ephemera blanda West Virginia Burrowing Mayfly Moderate G5 NA Watchlist [Defer to SEAFWA]
Epeorus frisoni Roaring Brook Mayfly High G1 NA RSGCN
Epeorus punctatus Dotted Flat-headed Mayfly Moderate G2G3 NA RSGCN
Baetisca rubescens Provancher's Armored Mayfly High G3G4 NA RSGCN
Barbaetis benfieldi Benfield's Bearded Small Minnow Mayfly High G2G4 NA RSGCN
Siphloplecton costalense Speith's Great Speckled Olive Mayfly High G2G4 NA Watchlist [Assessment Priority]
Siphlonurus demaryi Demary's Primitive Minnow Mayfly High G2G3 NA RSGCN
Siphlonurus barbarus Barbarous Primitive Minnow Mayfly High G1G3 NA RSGCN
Siphlonurus barbaroides Wild Primitive Minnow Mayfly High G3 NA RSGCN
Siphlonisca aerodromia Tomah Mayfly High G2G3 NA RSGCN
Parameletus midas Midas Primitive Minnow Mayfly High G5 NA RSGCN
Neoleptophlebia assimilis Southeastern Prong-gilled Mayfly High G4 NA Watchlist [Assessment Priority]
Afghanurus horrida Rough Flat-headed Mayfly High G2G3 NA RSGCN