Pennsylvania Fly Fishing Hatch Chart

Hatch Common NameHook SizeStart DateStart timeLatin Name
Little Blue Winged Olive16-2015-Mar10:00 AM - 4:00 PMEphemerella & Baetis
Blue Quill16-1817-Apr11:30 AM - 3:00 PMParaleptophlebia adoptiva
Quill Gordon12-1417-Apr1:30 PM - 6:30 PMEpeorus pleuralis
Hendrickson Female1219-Apr2:00 PM - 6:30 PMEphemerella subvaria
Red Quill Male1419-Apr2:00 PM - 6:30 PMEphemerella subvaria
Sulphurs14-1610-May7:00 PMEphemerella rotunda, dorthea, & others
March Brown10-1212-MayAll DayStenonema vicarium
Gray Fox10-1212-May10:00AM - NoonStenonema fuscum
Light Cahill1418-May8:00 PMStenacron
Blue Winged Olive14-1820-May10:00 AM - 3:00 PMBaetidae
Green Drake8-1024-May8:00 PMEphemera guttulata
Brown Drake10-1426-May8:00 PMEphemera simulans
Slate Drake12-1426-May5:00 PMIsonychia bicolor & sadleri
Trico20-2415-Jul7:00 AM -NoonTricorythodes stygiatus
White Fly10-14Early August7:30 PMEphoron lekon
Slate Drake12-14August-OctoberNoon - 4:00 PMIsonychia
 
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