| Diura washingtoniana |
Presidential Springfly |
Very High |
NA |
NA |
RSGCN |
| Brachycentrus incanus |
Hoary Humpless Caddisfly |
Very High |
G5 |
NA |
Proposed RSGCN |
| Manophylax altus |
Mount Mitchell Caddisfly |
Very High |
G1 |
NA |
Proposed RSGCN |
| 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 |
| Isoperla stewarti |
Stewart Stripetail |
Moderate |
GNR |
NA |
Proposed RSGCN |
| Eurylophella coxalis |
Barton's Spiny Crawler Mayfly |
Moderate |
G5 |
NA |
Proposed RSGCN |
| Neophylax ottawa |
Ottawa Little Caddisfly |
Moderate |
G1 |
NA |
Proposed RSGCN |
| Heteroplectron americanum |
American Comb-lipped Caddisfly |
Moderate |
G5 |
NA |
Proposed RSGCN |
| Lepidostoma ontario |
Ontario Bizarre Caddisfly |
Moderate |
G5 |
NA |
Proposed RSGCN |
| Adicrophleps hitchcocki |
a brachycentrid caddisfly |
Moderate |
G4G5 |
NA |
Proposed RSGCN |
| Theliopsyche grisea |
a caddisfly |
Moderate |
G4 |
NA |
Proposed RSGCN |
| Epeorus subpallidus |
a mayfly |
Moderate |
G1Q |
NA |
Proposed RSGCN |
| Procloeon vicinum |
Potomac Small Minnow Mayfly |
High |
G2G3 |
NA |
Watchlist [Assessment Priority] |
| Hydatophylax victor |
Conquering Northern Caddisfly |
High |
G4G5 |
NA |
Watchlist [Assessment Priority] |
| Polycentropus chenoides |
a polycentropodid caddisfly |
High |
G2G3 |
NA |
RSGCN |
| Sweltsa palearata |
Shenandoah Sallfly |
High |
G2G3 |
NA |
RSGCN |
| Isoperla myersi |
Paddle Stripetail |
High |
GNR |
NA |
RSGCN |
| Ostrocerca prolongata |
Bent Forestfly |
High |
G3 |
NA |
RSGCN |
| Alloperla stipitata |
Blue Ridge Sallfly |
High |
G2G3 |
NA |
Proposed RSGCN |
| Ceraclea ruthae |
Ruth's Long-horned Caddisfly |
High |
G4 |
NA |
Proposed RSGCN |
| Homoplectra monticola |
a hydropsychid caddisfly |
High |
G2G3 |
NA |
Proposed RSGCN |
| 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] |
| Banksiola calva |
a giant casemaker caddisfly |
High |
G2 |
NA |
Proposed RSGCN |
| Rhithrogena brunneotincta |
Brown Flat-headed Mayfly |
High |
G3 |
NA |
Proposed RSGCN |
| Polycentropus pixi |
Pitch Trumpet-net Caddisfly |
High |
G4 |
NA |
Proposed RSGCN |
| Leuctra laura |
Hampshire Needlefly |
Very High |
GHQ |
NA |
Proposed RSGCN |
| Epeorus suffusus |
Blushing Flat-headed Mayfly |
High |
G1Q |
NA |
Watchlist [Assessment Priority] |
| Isoperla major |
Big Stripetail |
Very High |
G1 |
NA |
RSGCN |
| Isonychia hoffmani |
Hoffman's Isonychia Mayfly |
Moderate |
G1G3 |
NA |
Watchlist [Defer to SEAFWA] |
| Isoperla gibbsae |
Quebec Stripetail |
Moderate |
G4 |
NA |
RSGCN |
| Heptagenia culacantha |
a flat-headed mayfly |
Moderate |
G2G3 |
NA |
RSGCN |
| Hansonoperla appalachia |
Appalachian Stonefly |
Moderate |
G3 |
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] |
| Alloperla vostoki |
Scotia Sallfly |
Very High |
G3 |
NA |
RSGCN |
| Alloperla voinae |
Lawrence Sallfly |
High |
G3 |
NA |
RSGCN |
| Tsalia berneri |
Berner's Ephemerella Mayfly |
Moderate |
G4 |
NA |
Watchlist [Defer to SEAFWA] |
| Epeorus frisoni |
Roaring Brook Mayfly |
High |
G1 |
NA |
RSGCN |
| Epeorus punctatus |
Dotted Flat-headed Mayfly |
Moderate |
G2G3 |
NA |
RSGCN |
| Ephemera blanda |
West Virginia Burrowing Mayfly |
Moderate |
G5 |
NA |
Watchlist [Defer to SEAFWA] |
| Alloperla biserrata |
Dusky Sallfly |
High |
G3 |
NA |
RSGCN |
| Alloperla aracoma |
Aracoma Sallfly |
High |
G3 |
NA |
RSGCN |
| Ceraclea uvalo |
Spatulate Long-horned Caddisfly |
Moderate |
G2G4 |
NA |
RSGCN |
| Cheumatopsyche helma |
Helma's Net-spinning Caddisfly |
Moderate |
G3 |
NA |
Watchlist [Assessment Priority] |
| Beraea fontana |
American Spring-loving Caddisfly |
Very High |
G3 |
NA |
RSGCN |
| Beraea nigritta |
a caddisfly |
Very High |
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 |
| Utaperla gaspesiana |
Gaspe Sallfly |
High |
G3 |
NA |
RSGCN |
| Taeniopteryx nelsoni |
Cryptic Willowfly |
Very High |
G1 |
NA |
RSGCN |
| Tallaperla lobata |
Lobed Roachfly |
High |
G2 |
NA |
RSGCN |
| Sweltsa pocahontas |
Pocahontas Sallfly |
High |
G2 |
NA |
RSGCN |
| Sweltsa holstonensis |
Holston Sallfly |
Very High |
G1 |
NA |
RSGCN |
| Soyedina merritti |
Powdermill Forestfly |
Very High |
G2 |
NA |
RSGCN |
| Siphlonurus barbaroides |
Wild Primitive Minnow Mayfly |
High |
G3 |
NA |
RSGCN |
| Siphlonurus demaryi |
Demary's Primitive Minnow Mayfly |
High |
G2G3 |
NA |
RSGCN |
| Siphlonurus barbarus |
Barbarous Primitive Minnow Mayfly |
High |
G1G3 |
NA |
RSGCN |
| Siphloplecton costalense |
Speith's Great Speckled Olive Mayfly |
High |
G2G4 |
NA |
Watchlist [Assessment Priority] |
| Siphlonisca aerodromia |
Tomah Mayfly |
High |
G2G3 |
NA |
RSGCN |
| Remenus kirchneri |
Blue Ridge Springfly |
High |
G2 |
NA |
RSGCN |
| Diploperla kanawholensis |
Kanawhole Springfly |
High |
G3 |
NA |
RSGCN |
| Allocapnia simmonsi |
Spatulate Snowfly |
High |
G3 |
NA |
RSGCN |
| Allocapnia frumi |
Monongahela Snowfly |
Very High |
G2 |
NA |
RSGCN |
| Allocapnia harperi |
Stonyfork Snowfly |
High |
G4 |
NA |
RSGCN |
| Allocapnia illinoensis |
Illinois Snowfly |
Moderate |
G3 |
NA |
RSGCN |
| Prostoia hallasi |
Swamp Forestfly |
High |
G3 |
NA |
RSGCN |
| Parameletus midas |
Midas Primitive Minnow Mayfly |
High |
G5 |
NA |
RSGCN |
| Neoleptophlebia assimilis |
Southeastern Prong-gilled Mayfly |
High |
G4 |
NA |
Watchlist [Assessment Priority] |
| Acroneuria flinti |
Manassas Stonefly |
High |
GH |
NA |
RSGCN |
| Afghanurus horrida |
Rough Flat-headed Mayfly |
High |
G2G3 |
NA |
RSGCN |
| Neoperla mainensis |
Maine Stone |
Very High |
G2G3 |
NA |
RSGCN |
| Megaleuctra flinti |
Shenandoah Needlefly |
Moderate |
G2 |
NA |
RSGCN |
| Acroneuria arida |
Elegant Stone |
Very High |
G3 |
NA |
RSGCN |