| December/January | ||
| Insect | Emergence Date | Recommended Patterns |
| Diptera Midge | December – January Afternoon | 18 – 24 Griffith’s Gnat, 18 – 24 Olive Midge |
| Blue Winged Olive | December – January Afternoon | 18 – 24 Blue Winged Olive, 18 – 24 Adams |
| Early Dark Stoneflies | December – January All Day | 18 Turkey Tail Nymph 18 Early Brown Stonefly |
| MicroCaddis | December – January All Day | 20 – 24 Bright Green or Black Elk Hair Caddis |
| February/March | ||
| Insect | Emergence Date | Recommended Patterns |
| Blue Winged Olive Baetis | February – March Early Afternoons – Warm Days | 18 Blue Winged Olive Parachute 18 Adams |
| Early Dark Stoneflies | February – March 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 |
| Quill Gordon Epeorus Pleuralis | Late March Early Afternoon | 12 – 14 Gold Ribbed Hare’s Ear 12 – 14 Quill Gordon Dry |
| April | ||
| Insect | Emergence Date | Recommended Patterns |
| Blue Quills Paraleptophlebia Adoptiva | Early April Mornings to Early Afternoons | 18 Sawyer Pheasant Tail 18 Clipped Mahogany Dun |
| Quill Gordon Epeorus Pleuralis | Early April Early Afternoons | 12 – 14 Ginger Quill Wet 12 – 14 Light Hendrickson |
| Dark Dun/Black Caddis | Mid-April Mid-Mornings | 14 – 16 Crow’s Nest Soft Hackle 14 – 16 Dark SolomonCaddis |
| Mottled Brown/Gray Caddis | Mid-April All Day | 16 Brown or Gray Soft Hackle 16 Brown Elk Hair Caddis |
| Hendrickson Ephemerella Subvaria | All Day: Female Spinner has Yellow Egg Sac | 14 Hendrickson Nymph, 14 Red Quill, 14 Hendrickson Thorax |
| March Brown Stenonema Vicarium | Mid-April Sporadic All Day | 12 March Brown Nymph 12 American March Brown Dry |
| May | ||
| Insect | Emergence Date | Recommended Patterns |
| Mottled Brown/Gray Caddis | All Day | 16 Brown or Gray Soft Hackle 16 Brown Elk Hair Caddis |
| 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 Stenonema Vicarium | Mid-May All Day Sporadically | 12 American Pheasant Tail 12 Gray Fox Comparadun |
| Light Cahill Stenonema Ithaca | Afternoon – Evening | 16 – 18 Light Cahill 16 – 18 Cream Cahill Parachute |
| Yellow Midge Diptera | Early May | 20 Yellow Midge |
| Gray Fox Stenonema Fuscum | 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 Parachute 16 – 18 Sulphur Loopwing Vertical Emerger |
| Black Caddis | Early May All Day | 18 Black Soft Hackle 18 Black Fluttering Caddis 18 Black Diving Caddis |
| Cream Midge | Mid-May All Day | 20 – 22 Cream Midge |
| Blue Winged Olive Baetis | Mid-May Early Afternoon | 20 -22 Blue Winged Olive, 20 – 22 Adams |
| Green Drake Ephemera Guttulata | Late May Evening | 10 Eastern Green Drake Dun 12 Tan Klinkhammar Special |
| Giant Stonefly Pteronarcys | Early May Early Morning | 4 – 8 Jorgensen’s Giant Black Stonefly Nymph |
| June | ||
| Insect | Emergence Date | Recommended Patterns |
| Mottled Brown Gray Caddis | Early June All Day Sporadically | 16 Brown or Gray Soft Hackle 16 Brown Elk Hair Caddis |
| Light Cahill Stenonema Ithaca | Sporadically – 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 |
| Isonychia Bicolor | Sporadically – 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 Kaufmann’s Stimulator |
| Giant Stonefly Pteronarcys | Early Mornings | 4 – 6 Kaufmann’s Black Stonefly Nymph |
| Terrestrials | All Summer | Inchworms, Black Foam Ants, Crowe Beetles, and Letort Crickets |
| July | ||
| Insect | Emergence Date | Recommended Patterns |
| Isonychia Bicolor | Sporadically – All Day | 12 Zug Bug 12 Adams 12 Dun Variant |
| Green and Yellow Stonefly | Late Afternoons | 16 Light Green and Yellow Fluttering Stone |
| Golden Stonefly Acroneuria | Early Morning and at Dusk | 6 – 8 Kaufmann’s Golden Stonefly Nymph 6 – 8 Kaufmann’s Orange Stimulator 6 – 8 Downwing Hornberg |
| Light Cahill Stenonema Ithaca | Sporadically – Late Afternoon and Evening | 16 – 18 Light Cahill 16 – 18 Cream Cahill Parachute |
| Terrestrials | All Summer | Inchworms, Black Foam Ants, Crowe Beetles, and Letort Crickets |
| August | ||
| Insect | Emergence Date | Recommended Patterns |
| Isonychia Bicolor | Sporadically – All Day | 12 Leadwing Coachman Wet 12 Adams 12 Dun Variant |
| Golden Stonefly Acroneuria | Early Morning and at Dusk | 6 – 8 Jorgensen’s Giant Golden Stonefly Nymph 6 – 8 Kaufmann’s Orange Stimulator 6 – 8 Downwing Hornberg |
| Light Cahill Stenonema Ithaca | Sporadically – Late Afternoon and Evening | 16 – 18Yellow Ginger Comparadun 16 – 18 Cahill |
| Flying Ants | All Day | 20 – 24 Black Wet Ant 20 -24 Flying Cinnamon Ants |
| Terrestrials | All Summer | Inchworms, Black Fur Ants, Black Beetles, and Letort Crickets |
| September | ||
| Insect | Emergence Date | Recommended Patterns |
| Light Cahill Stenonema Ithaca | Usually at Dusk | 16 – 18 Light Cahill 16 – 18 Yellow Ginger Comparadun |
| Isonychia Bicolor | All Day | 12 Leadwing Coachman Wet 12 Adams 12 Dun Variant |
| Flying Ants | All Day | 20 – 24 Spentwing Black and Brown Ants |
| Terrestrials | All Summer | Inchworms, Black Fur Ants, Black Beetles, and LetortCrickets |
| October/November | ||
| Insect | Emergence Date | Recommended Patterns |
| Dipterans Midge | October – November Afternoon | 18 – 24Brassie 18 – 24 RS2 18 – 24 Brook’s Midge, Black, Olive, Grey, Yellow |
| Blue Winged Olive | October – November Afternoon | 18 – 24 Blue Winged Olive Parachute 18 – 24 Blue Winged Olive CDC emerger |