| Common Name |
Scientific Name |
Hatch Begins |
Hatch Ends |
| Little Blue Winged Olive |
Baetis tricaudatus |
All Season |
All Season |
| Little Black Caddis |
Chimarra species |
All Season |
All Season |
| Little Black Stone |
Allocapnia and Capnie species |
Mid Feb |
Mid March |
| Early Black Stone |
Taeniopteryx nivalis |
Late Feb |
Late March |
| Early Brown Stone |
Strophopteryx fasciata |
Mid March |
Early April |
| Spring Blue Quill (Paralep) |
Paraleptophlebia adoptiva |
Mid April |
Late April |
| Quill Gordon |
Epeorus pleuralis |
Mid April |
Late April |
| Hendrickson |
Ephemerella subvaria |
Late April |
Mid May |
| Grannom Caddis |
Brachycentrus numerosus and fuliginosus
|
Early May |
Late May |
| Sulphur |
Ephemerella invaria |
Mid May |
Late June |
| March Brown & Gray Fox |
Maccaffertium vicarium |
Mid May |
Late June |
| Apple Caddis |
Brachycentrus appalachia |
Mid May |
Mid May |
| Spotted Sedge Caddis |
Various Hydropsyche and Symphitopsyche species |
Mid May |
Mid August |
| Little Sister Sedge Caddis |
Cheumatopsyche species |
Mid May |
Mid June |
| Yellow/Golden Stone |
Acroneuria, Agnetina & Paragnetina species |
Mid May |
Late June |
| Little Sulphur |
Ephemerella dorothea |
Late May |
Late August |
| Green Drake |
Ephemera guttulata |
Late May |
Early June |
| Slate Drake |
Isonychia bicolor |
Late May |
Mid October |
| Dark Blue Sedge Caddis |
Psilotreta labida and frontalis
|
Late May |
Mid June |
| Giant Stone |
Pteronarcys species |
Late May |
Early June |
| Brown Drake |
Ephemera silmulans |
Early June |
Early June |
| Green Caddis |
Rhyacophila lobifera & related species |
Early June |
Early August |
| Blue Winged Olive |
Drunella cornuta, cornutella
|
Mid June |
Mid June |
| Light Cahill |
Stenacron interpunctatum |
Mid June |
Mid July |
| Cahill (cream & dark) |
Macaffertium and Stenonema species |
Mid June |
Mid Sept |
| Yellow Drake |
Ephemera varia |
Mid June |
Late July |
| Pink Lady |
Epeorus vitreus |
Mid June |
Early July |
| Summer Blue Quill |
Paraleptophlebia mollis |
Mid June |
Mid Sept |
| Little Green Stone |
Alloperla imbecilla |
Mid June |
Mid August |
| Yellow Sally Stone |
Isoperla bilineata |
Mid June |
Mid August |
| Golden Drake |
Anthopotamus distinctus |
Late June |
Early July |
| Trico |
Tricorythodes species |
Mid July |
Mid Nov |
| Pale Evening Dun |
Leucrocuta hebe |
Early August |
Late Oct |
| White Fly |
Ephoron leukon |
Mid Aug |
Early Sept |
| October Caddis |
Pycnopsyche scabripennis |
Early Oct |
Late Oct |
