| Taeniopteryx nelsoni |
Cryptic Willowfly |
Very High |
| Acroneuria arida |
Elegant Stone |
Very High |
| Beraea nigritta |
a caddisfly |
Very High |
| Beraea fontana |
American Spring-loving Caddisfly |
Very High |
| Alloperla vostoki |
Scotia Sallfly |
Very High |
| Allocapnia frumi |
Monongahela Snowfly |
Very High |
| Sweltsa holstonensis |
Holston Sallfly |
Very High |
| Isoperla major |
Big Stripetail |
Very High |
| Neoperla mainensis |
Maine Stone |
Very High |
| Soyedina merritti |
Powdermill Forestfly |
Very High |
| Epeorus suffusus |
Blushing Flat-headed Mayfly |
High |
| Alloperla aracoma |
Aracoma Sallfly |
High |
| Barbaetis benfieldi |
Benfield's Bearded Small Minnow Mayfly |
High |
| Siphlonurus demaryi |
Demary's Primitive Minnow Mayfly |
High |
| Ameletus browni |
Brown's Comb Minnow Mayfly |
High |
| Siphlonurus barbarus |
Barbarous Primitive Minnow Mayfly |
High |
| Prostoia hallasi |
Swamp Forestfly |
High |
| Siphlonisca aerodromia |
Tomah Mayfly |
High |
| Diploperla kanawholensis |
Kanawhole Springfly |
High |
| Allocapnia harperi |
Stonyfork Snowfly |
High |
| Baetisca rubescens |
Provancher's Armored Mayfly |
High |
| Afghanurus horrida |
Rough Flat-headed Mayfly |
High |
| Neoleptophlebia assimilis |
Southeastern Prong-gilled Mayfly |
High |
| Siphlonurus barbaroides |
Wild Primitive Minnow Mayfly |
High |
| Parameletus midas |
Midas Primitive Minnow Mayfly |
High |
| Utaperla gaspesiana |
Gaspe Sallfly |
High |
| Remenus kirchneri |
Blue Ridge Springfly |
High |
| Eurylophella poconoensis |
Poconos Chocolate Dun |
High |
| Alloperla voinae |
Lawrence Sallfly |
High |
| Allocapnia simmonsi |
Spatulate Snowfly |
High |
| Tallaperla lobata |
Lobed Roachfly |
High |
| Sweltsa pocahontas |
Pocahontas Sallfly |
High |
| Siphloplecton costalense |
Speith's Great Speckled Olive Mayfly |
High |
| Acroneuria flinti |
Manassas Stonefly |
High |
| Alloperla biserrata |
Dusky Sallfly |
High |
| Epeorus frisoni |
Roaring Brook Mayfly |
High |
| Megaleuctra flinti |
Shenandoah Needlefly |
Moderate |
| Heptagenia culacantha |
a flat-headed mayfly |
Moderate |
| Habrophlebiodes celeteria |
a leptophlebiid mayfly |
Moderate |
| Allocapnia illinoensis |
Illinois Snowfly |
Moderate |
| Ceraclea uvalo |
Spatulate Long-horned Caddisfly |
Moderate |
| Epeorus punctatus |
Dotted Flat-headed Mayfly |
Moderate |
| Isonychia hoffmani |
Hoffman's Isonychia Mayfly |
Moderate |
| Tsalia berneri |
Berner's Ephemerella Mayfly |
Moderate |
| Cheumatopsyche helma |
Helma's Net-spinning Caddisfly |
Moderate |
| Isoperla gibbsae |
Quebec Stripetail |
Moderate |
| Hansonoperla appalachia |
Appalachian Stonefly |
Moderate |
| Cheumatopsyche virginica |
A Caddisfly |
|
| Isogenoides frontalis |
A stonefly |
|
| Rhyacophila otica |
A Free-living Caddisfly |
|