You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser.
Pennsylvania Fly Fishing Hatch Chart
Hatch Common Name | Hook Size | Start Date | Start time | Latin Name |
Little Blue Winged Olive | 16-20 | 15-Mar | 10:00 AM - 4:00 PM | Ephemerella & Baetis |
Blue Quill | 16-18 | 17-Apr | 11:30 AM - 3:00 PM | Paraleptophlebia adoptiva |
Quill Gordon | 12-14 | 17-Apr | 1:30 PM - 6:30 PM | Epeorus pleuralis |
Hendrickson Female | 12 | 19-Apr | 2:00 PM - 6:30 PM | Ephemerella subvaria |
Red Quill Male | 14 | 19-Apr | 2:00 PM - 6:30 PM | Ephemerella subvaria |
Sulphurs | 14-16 | 10-May | 7:00 PM | Ephemerella rotunda, dorthea, & others |
March Brown | 10-12 | 12-May | All Day | Stenonema vicarium |
Gray Fox | 10-12 | 12-May | 10:00AM - Noon | Stenonema fuscum |
Light Cahill | 14 | 18-May | 8:00 PM | Stenacron |
Blue Winged Olive | 14-18 | 20-May | 10:00 AM - 3:00 PM | Baetidae |
Green Drake | 8-10 | 24-May | 8:00 PM | Ephemera guttulata |
Brown Drake | 10-14 | 26-May | 8:00 PM | Ephemera simulans |
Slate Drake | 12-14 | 26-May | 5:00 PM | Isonychia bicolor & sadleri |
Trico | 20-24 | 15-Jul | 7:00 AM -Noon | Tricorythodes stygiatus |
White Fly | 10-14 | Early August | 7:30 PM | Ephoron lekon |
Slate Drake | 12-14 | August-October | Noon - 4:00 PM | Isonychia |