Hatch Chart

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 Capnia 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 Early July
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, and 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) 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
(and 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 and 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 Paraleptopheblia 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 August Early Sept
October Caddis Pycnopsyche scabripennis Early October Late October

Little Blue Winged Olive
Mayfly Species: Baetis tricaudatus
Time of Year:All Season
Size: 16 - 22

Pattern Suggestions
Nymphs
Pheasant Tails
Mike's Baetis Nymph
Safet's BWO Nymph
Wets
BWO Winged Wet
Woodcock & Green
Partridge & Green w/ Thorax
Partridge & Green
Emergers
BWO CDC Emerger
BWO Snowshoe Emerger
Dries
Flick's BWO
BWO Traditional
BWO Parachute


Little Black Caddis
Caddis Species: Chimarra species
Time of Year:All Season
Size: 16 - 20

Pattern Suggestions
Larva/Pupa
Safet's Chimarra Black Caddis Larva
Electric Caddis – Chimarra
Black Gnat Soft Hackle
Adults
Black Elk Hair Caddis
Parachute Black Caddis
Black X Caddis


Little Black Stone
Stone Fly Species: Allocapnia and Capnia species
Time of Year: Mid February - Mid March
Size: 12 - 16

Pattern Suggestions
Nymphs
Black Stone
Black Copper John
Dark Prince Nymph
Black Gnat Soft Hackle
Adults
Parachute Black Caddis


Early Black Stone
Adult

Early Black Stone
Stone Fly Species: Taeniopteryx nivalis
Time of Year: Late February - Late March
Size: 16 - 18

Pattern Suggestions
Nymphs
Black Copper John

Wets
Black Gnat Soft Hackle
Adults
Parachute Black Caddis


Early Brown Stone
Stone Fly Species: Strophopteryx fasciata
Time of Year: Mid March - Early April
Size: 14 - 16

Pattern Suggestions
Nymphs
Copper John
Barbless Dark UV Hares Ear
Hares Ear Nymph
Hares Ear Bead Head
Adults
Parachute Brown Caddis


Spring Blue Quill (Paralep)
Mayfly Species: Paraleptophlebia adoptiva
Time of Year: Mid April - Late April
Size: 16 - 18

Pattern Suggestions
Nymphs
Pheasant Tails
Emergers
Paralep CDC Emerger
Adults
Blue Quill Traditional
Paralep Comparadun
Paralep CDC Comparadun
Paralep Parachute
Wets
Lead Wing Coachman
Spinners
Rusty Spinner Poly


Quill Gordon
Mayfly Species: Epeorus pleuralis
Time of Year: Mid April - Late April
Size: 12 - 14

Pattern Suggestions
Nymphs
Hare's Ear
Bead Head Hare's Ear
Adults
Quill Gordon Traditional
Wets
Quill Gordon Wet
Spinners
Rusty Spinner Hackle Wing


Hendrickson
Mayfly Species: Ephemerella subvaria
Time of Year: Late April - Mid May
Size: 12 - 14

Pattern Suggestions
Nymphs
Barbless Dark UV Hares Ear
Hare's Ear
Bead Head Hare's Ear
Pheasant Tail
Emergers
CDC Hendrickson Emerger
Hendrickson Hen Wing Emerger
Red Quill Snowshoe Emerger
Adults
Red Quill Traditional
Light Hendrickson Traditional
Hendrickson Parachute
CDC Hendrickson Comparadun
Hendrickson Comparadun
Red Quill Comparadun
Wets
Quill Gordon Wet
Spinners
Rusty Spinner Hackle Wing


Grannom Caddis
Caddis Species: Brachycentrus numerosus and fuliginosus
Time of Year: Early May - Late May
Size: 12 - 16

Pattern Suggestions
Larva/Pupa
Cased Caddis
Chartreuse Electric Caddis
Olive and Black Electric Caddis
Adults
CDC X Caddis Olive Gray
Safet's Grannom Caddis
Parachute Black Caddis
Chuck Caddis


Sulphur
Mayfly Species: Ephemerella invaria
Time of Year: Mid May - Early June
Size: 14 - 16

Pattern Suggestions
Nymphs
Pheasant Tail
Emergers
CDC Sulphur Emerger
CDC Sulphur Trans Emerger
Sulphur Parachute Emerger
Sulphur Snowshoe
Sulphur Snowshoe Emerger
Mike's Sulphur Snowshoe Emerger
Adults
Sulphur CDC Comparadun
Sulphur Parachute
Sulphur Traditional
Sulphur Traditional, Biot Body
Spinners
Sulphur Spinny Poly Wing


March Brown / Gray Fox
Mayfly Species: Maccaffertium vicarium
Time of Year: Mid May - Early July
Size: 10 - 14

Pattern Suggestions
Nymphs
Dette March Brown Nymph
Emergers
March Brown Parachute Emerger
March Brown Quigley Cripple
Adults
Gray Fox Parachute
American March Brown Traditional
March Brown Comparadun
March Brown Sparkle Dun
Spinners
March Brown Spinner
2X-Long Rusty Spinner Hackle Wing


Apple Caddis
Caddis Species: Brachycentrus appalachia
Time of Year: Mid May
Size: 14 - 16

Pattern Suggestions
Larva/Pupa
Cased Caddis
Chartreuse Electric Caddis
Safet's Olive Caddis Larva
Adults
X Caddis Apple
Parachute Apple Caddis
Safet's Apple Caddis


Spotted Sedge Caddis
Caddis Species: Various Hydropsyche and Symphitopsyche species
Time of Year: Mid May - Mid August
Size: 14 - 18

Pattern Suggestions
Larva/Pupa
Safet's Tan Caddis Larva
Adults
X Caddis Blue Sedge
CDC X Caddis Gray
Parachute Black Caddis
Wets
Black Gnat
Lead Wing Coachman


Little Sister Sedge Caddis
Caddis Species: Cheumatopsyche species
Time of Year: Mid May - Mid June
Size: 16 - 20

Pattern Suggestions
Larva/Pupa
Safet's Tan Caddis Larva
Adults
Olive Chuck Caddis
Parachute Olive Caddis
Wets
Woodcock & Green Soft Hackle


Yellow / Golden Stone
Stone Fly Species: Acroneuria, Agnetina, and Paragnetina species
Time of Year: Mid May - Late June
Size: 6 - 12

Pattern Suggestions
Nymphs
Dette Yellow Stone Nymph
Adults
Orange Stimulator
Yellow Stimulator


Little Sulphur
Mayfly Species: Ephemerella dorothea
Time of Year: Late May - Late August
Size: 14 - 16

Pattern Suggestions
Nymphs
Pheasant Tail
Emergers
Dorothea Snowshoe Emerger
Dorothea Parachute Emerger
Dorothea CDC Emerger
Dorothea CDC Trans Emerger
Adults
Dorothea Parachute
Dorothea Comparadun
Dorothea Traditional
Spinners
Sulphur Spinner Poly Wing
Rusty Spinner Poly Wing


Green Drake
Mayfly Species: Ephemera guttulata
Time of Year: Late May - Early June
Size: 08 - 12

Pattern Suggestions
Emergers
Green Drake Emerger
Green Drake Sparkle Dun
Green Drake Parachute Emerger
Adults
Green Drake Parachute
Green Drake Comparadun
Spinners
Coffin Fly Hackle Spinner
Coffin Fly Hackle Spinner
Coffin Fly Deer Hair Spinner
White Wulff


Slate Drake (Isonychia)
Mayfly Species: Isonychia bicolor
Time of Year: Late May - Mid October
Size: 10 - 14

Pattern Suggestions
Nymphs
Dette Isonychia Nymph
Safet's Isonychia Nymph
Emergers
Iso Hen Wing Emerger
Isonychia CDC Emerger
Isonychia Snowshoe Emerger
Isonychia Parachute Emerger
Adults
Isonychia Parachute
Wets
Lead Wing Coachman
Spinners
Brown Drake Deer Hair Spinner
Rusty Spinner 2X-Long


Dark Blue Sedge Caddis
Caddis Species: Psilotreta labida and frontalis
Time of Year: Late May - Mid June
Size: 12 - 14

Pattern Suggestions
Larva/Pupa
Cased Caddis
Green Sedge Larva
Olive Caddis Larva
Green Sedge Larva
Adults
X Caddis Blue Sedge
Parachute Black Caddis
Wets
Leadwing Coachman


Giant Stone
Stone Fly Species: Pteronarcys species
Time of Year: Late May - Early June
Size: 4 - 8

Pattern Suggestions
Adults
Stimulator, Orange


Brown Drake
Mayfly Species: Ephemera silmulans
Time of Year: Early June
Size: 10 - 12

Pattern Suggestions
Adults
Brown Drake Comparadun
Spinners
Brown Drake Deer Hair Spinner


Green Caddis
Caddis Species: Rhyacophila lobifera (and related species)
Time of Year: Early June – Early August
Size: 12 - 16

Pattern Suggestions
Larva/Pupa
Chartreuse Electric Caddis
Olive Electric Caddis
Green Sedge Larva
Olive Caddis Larva
Green Sedge Larva
Adults
Olive Parachute Caddis
Olive Chuck Caddis
Wets
Partridge and Green


Blue Winged Olive
Mayfly Species: Drunella cornuta, cornutella
Time of Year: Mid June
Size: 14 - 16

Pattern Suggestions
Nymphs
Pheasant Tail
Safet's BWO Nymph
Emergers
CDC BWO Emerger
BWO Snowshoe Emerger
Mike's Baetis Snowshoe Emerger
Adults
Flick's BWO Traditional
BWO Traditional, Biot
BWO Parachute
Wets
BWO
Spinners
Rusty Poly Spinner


Light Cahill
Mayfly Species: Stenacron interpunctatum
Time of Year: Mid June – Mid July
Size: 14 - 16

Pattern Suggestions
Nymphs
Hares Ear
Bead Head Hare's Ear
Adults
Light Cahill Traditional, Biot
Cahill Parachute
Wets
Light Cahill Wet
Spinners
Cahill / White Fly Spinner


Cahill (cream and dark)
Mayfly Species: Macaffertium and
Stenonema species
Time of Year: Mid June – Mid September
Size: 14 - 16

Pattern Suggestions
Nymphs
Hares Ear
Bead Head Hare's Ear
Adults
Light Cahill Traditional, Biot
Cahill Parachute
Wets
Light Cahill Wet
Spinners
Cahill / White Fly Spinner


Yellow Drake
Mayfly Species: Ephemera varia
Time of Year: Mid June – Late July
Size: 10 - 12

Pattern Suggestions
Adults
Yellow Drake Parachute
Yellow Drake Comparadun


Pink Lady
Mayfly Species: Epeorus vitreus
Time of Year: Mid June – Late July
Size: 12 - 16

Pattern Suggestions
Nymphs
Hare
Hares Ear
Bead Head Hare's Ear
Adult
Hendrickson imitations work great for Pink Ladies
Spinners
Rusty Spinner Poly Wing


Summer Blue Quill
Mayfly Species: Paraleptopheblia mollis
Time of Year: Mid June - Mid September
Size: 18 - 20

Pattern Suggestions
Nymphs
Pheasant Tails
Emergers
Paralep CDC Emerger
Adults
Blue Quill Traditional
Paralep CDC Comparadun
Spinners
Rusty Spinner Poly Wing


Little Green Stone
Stone Fly Species: Alloperla imbecilla
Time of Year: Mid June - Mid August
Size: 14 - 16

Pattern Suggestions
Nymphs
Copper John Green
Copper John Chartreuse


Yellow Sally Stone
Stone Fly Species: Isoperla bilineata
Time of Year: Mid June - Mid August
Size: 14 - 16

Pattern Suggestions
Copper John Green
Copper John Chartreuse


Golden Drake
Mayfly Species: Anthopotamus distinctus
Time of Year: Late June - Early July
Size: 10 - 12

Pattern Suggestions
Nymphs
Hare's Ear
Bead Head Hare's Ear
Adults
Golden Drake Comparadun
Spinners
White Wulff


Trico
Mayfly Species: Tricorythodes species
Time of Year: Mid July - Mid November
Size: 22 - 26

Pattern Suggestions
Nymphs
Pheasant Tail
Trico Nymph
Adults
Trico Dun
Spinners
Female Trico Spinner Poly Wing
Female Trico Spinner Flash Wing
Male Trico Spinner Poly Wing
Male Trico Spinner Flash Wing


Pale Evening Dun (Hebe)
Mayfly Species: Leucrocuta hebe
Time of Year: Early August - Late October
Size: 16 - 18

Pattern Suggestions
Nymphs
Pheasant Tail
Emergers
CDC Sulphur Emerger
CDC Sulphur Trans Emerger
Sulphur Parachute Emerger
Sulphur Snowshoe
Sulphur Snowshoe
Sulphur CDC Comparadun
Sulphur Parachute
Sulphur Traditional
Sulphur Traditional, Biot Body
Spinners
Sulphur Spinny Poly Wing
Rusty Spinner Poly Wing


White Fly
Mayfly Species: Ephoron leukon
Time of Year: Mid August – Early September
Size: 12 - 16

Pattern Suggestions
Nymphs
Hare's Ear
Bead Head Hare's Ear
Adults
White Wulff
Spinners
White Fly Spinner


October Caddis
Caddis Species: Pycnopsyche scabripennis
Time of Year: Early October – Late October
Size: 10

Pattern Suggestions
Larva/Pupa
October Caddis Larva
Adults
Parachute October Caddis