Hatch Chart

This is by no means a complete listing of every insect and every pattern. However, it is a good base to start with. If you ever have a question about other flies that may be working do not hesitate to email me. 

December/January
Insect Time Patterns
BWO Afternoon 18 - 24 BWO,
18 - 24 Adams
Early Dark Stoneflies All Day 18 Turkey Tail Nymph
18 Early Brown Stonefly
Diptera Midge Afternoon 18 - 24 Griffith's Gnat,
18 - 24 Olive Midge
MicroCaddis All Day 20 - 24 Bright Green or Black Elk Hair Caddis

February/March
Insect Time Patterns
Early Dark Stoneflies All Day 18 American Pheasant Tail
18 Early Brown Stonefly
Blue Quill
Paraleptophlebia adoptiva
Late March
Morning to Early Afternoon
18 Blue Quill Wet & Dry
18 Adams
BWO
Baetis
Early Afternoons - Warm Days 18 BWO Parachute
18 Adams
Quill Gordon
Epeorus pleuralis
Late March
Early Afternoon
12 - 14 Gold Ribbed Hare's Ear
12 - 14 Quill Gordon Dry

April
Insect Time Patterns
Blue Quills
Paraleptophlebia adoptiva
Early April
Mornings to Early Afternoons
18 Sawyer Pheasant Tail
18 Clipped Mahogany Dun
Dark Dun/Black Caddis Mid-April
Mid-Mornings
14 - 16 Crow's Nest Soft Hackle
14 - 16 Dark SolomonCaddis
March Brown
Maccaffertium vicarium
Mid-April
Sporadic All Day
12 March Brown Nymph
12 American March Brown Dry
Mottled Brown/Gray Caddis Mid-April
All Day
16 Brown or Gray Soft Hackle
16 Brown Elk Hair Caddis
Quill Gordon
Epeorus pleuralis
Early April
Early Afternoons
12 - 14 Ginger Quill Wet
12 - 14 Light Hendrickson
Hendrickson
Ephemerella subvaria
All Day: Female Spinner
has Yellow Egg Sac
14 Hendrickson Nymph,
14 Red Quill,
14 Hendrickson Thorax

May
Insect Time Patterns
Hendrickson
Ephemerella subvaria
All Day; Female Spinner
has Yellow Egg Sac
14 Gold Ribbed Hare's Ear
14 Red Quill Dry
14 Light Hendrickson Dry
March Brown
Maccaffertium vicarium
Mid-May
All Day
12 American Pheasant Tail
12 Gray Fox Comparadun
Mottled Brown/Gray Caddis All Day 16 Brown or Gray Soft Hackle
16 Brown Elk Hair Caddis
Light Cahill
Maccaffertium ithaca
Afternoon - Evening 16 - 18 Light Cahill
16 - 18 Cream Cahill Parachute
Gray Fox
Maccaffertium vicarium
Sparse Hatch 14 Gray Fox,
14 Ginger Quill,
14 Gray Fox Variant
Sulphurs
Ephemerella dorothea
Early May
Late Afternoon and Evening
16 - 18 Sulphur Dun
16 - 18 Sulphur Loopwing Vertical Emerger
16 - 18 Sulphur Parachute
Yellow Midge
Diptera
Early May 20 Yellow Midge
Black Caddis Early May
All Day
18 Black Soft Hackle
18 Black Fluttering Caddis
18 Black Diving Caddis
BWO
Baetis
Mid-May
Early Afternoon
20 -22 BWO,
20 - 22 Adams
Green Drake
Ephemera guttulata
Late May
Evening
10 Eastern Green Drake Dun
12 Tan Klinkhammar Special
Cream Midge Mid-May
All Day
20 - 22 Cream Midge
Giant Stonefly
Pteronarcys
Early May
Early Morning
4 - 8  Giant Black Stonefly Nymph

June
Insect Time Patterns
Terrestrials All Summer Inchworms, Black Foam Ants,
Crowe Beetles, and Letort Crickets
Mottled Brown
Gray Caddis
Early June
All Day
16 Brown or Gray Soft Hackle
16 Brown Elk Hair Caddis
Isonychia bicolor All Day 12 Zug Bug
12 Adams
12 Dun Variant
Green and Yellow
Stonefly
Late Afternoons 16 Little Green Stonefly Dry
16 Yellow Sally
16 Yellow Stimulator
Light Cahill
Maccaffertium ithaca
Late
Afternoon and Evening
16 - 18 Light Cahill
16 - 18 Cream Cahill Parachute
Sulphurs
Ephemerella dorothea
Late Afternoon and
Evening
16 - 18 Sculpture Dun
16 - 18 Sulphur Parachute
16 - 18 Sulphur Loopwing Vertical Emerger
Giant Stonefly
Pteronarcys
Early Mornings 4 - 6  Black Stonefly Nymph

July
Insect Time Patterns
Isonychia bicolor All Day 12 Zug Bug
12 Adams
12 Dun Variant
Terrestrials All Summer Inchworms, Black Foam Ants,
Crowe Beetles, and Letort Crickets
Golden Stonefly
Acroneuria
Early Morning and
at Dusk
6 - 8 Golden Stonefly Nymph
6 - 8 Orange Stimulator
6 - 8 Downwing Hornberg
Green and Yellow
Stonefly
Late Afternoons 16 Light Green and Yellow
Fluttering Stone
Light Cahill
Maccaffertium ithaca
Late
Afternoon and Evening
16 - 18 Light Cahill
16 - 18 Cream Cahill Parachute


August
Insect Time Patterns
Light Cahill
Stenonema ithaca
Late
Afternoon and Evening
16 - 18 Yellow Ginger Comparadun
16 - 18 Cahill
Flying Ants All Day 20 - 24 Black Wet Ant
20 -24 Flying Cinnamon Ants
Isonychia bicolor All Day 12 Leadwing Coachman Wet
12 Adams
12 Dun Variant
Golden Stonefly
Acroneuria
Early Morning and at Dusk Giant Golden Stonefly Nymph
6 - 8 Orange Stimulator
6 - 8 Downwing Hornberg
Terrestrials All Summer Inchworms, Black Fur Ants,
Black Beetles, and Letort Crickets

September
Insect Time Patterns
Light Cahill
Maccaffertium ithaca
Usually at Dusk 16 - 18 Light Cahill
16 - 18 Yellow Ginger Comparadun
Terrestrials All Summer Inchworms, Black Fur Ants,
Black Beetles, and Letort Crickets
Isonychia bicolor All Day 12 Leadwing Coachman Wet
12 Adams
12 Dun Variant
Flying Ants All Day 20 - 24 Spentwing Black and
Brown Ants


October/November
Insect Time Patterns
October Caddis


BWO
October - November
Afternoon

October - November
Afternoon
14 - 16 Orange or Cream Elk Hair Caddis

18 - 24 BWO Parachute
16 - 24 BWO CDC emerger
Dipterans Midge October - November
Afternoon
16 - 24 Brassie
16 - 24 RS2
16 - 24 Midge, Black, Olive, Grey, Yellow