Hatch Charts
Match the hatch on New Jersey's premier trout streams. Interactive charts, bug identification, and suggested fly patterns for every season.
🎯 What's Hatching Now
🔎 Quick Bug ID
What did you see? Click to learn more.
Upright Wings
Sailboat shape, 2-3 tails = Mayfly
Tent Wings
Wings folded like tent, antennae = Caddis
Flat Wings
Wings flat over body, 2 tails = Stonefly
Tiny / Mosquito-like
Very small, delicate = Midge or Tiny Mayfly
Hatch Timeline
Mayfly
Caddis
Stonefly
Midge/Other
Insect
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Data Sources & Credits: Hatch timing and fly patterns compiled from Matt Grobert's "Fly Fishing New Jersey Trout Streams", East Jersey Trout Unlimited, and decades of observations from South Branch Outfitters guides. Entomology references from Troutnut.com and The Catch and The Hatch. For real-time conditions, check our Fishing Reports.