MAY 25, 2025
Caddis flies are one of the most important hatches in America. Caddis flies go through a complete metamorphosis which is made up of four stages.
Egg stage, the female lays her eggs on rocks and plants in or near the water. These eggs hatch in about two weeks. The egg stage last about three weeks.
Larva stage, nymphs are long and worm like. Some of the caddis species make a case around themselves to form a type of shell. The larva stage last about ten months.
Time to fish with a larva fly is all winter into end of April.
Patterns to use:
Pupa stage, the nymph attach its casings to rocks on the river bottom . During the pupa stage the shell structure encasement pulls away from the larval skin and forms the pupa shape. The pupa stage last about five weeks.
Time to fish with a pupa fly is April, May and June.
Patterns to use:
Adult stage, Adult caddisflies emerge from the pupa, breaking out of the skin and swim to the surface where they shake their wings open and escape the surface. Adults typically live for about five weeks, focusing on egg laying. The adult stage last about five weeks.
Time to fish with an adult fly is basically from May through the entire summer.
Patterns to use: Wet Flies
Patterns to use: Dry Flies
October Caddis
The October Caddis is the larger sized caddis and is very important for the trout to gorge itself on before the weather turns cold.
Time to fish Nymph and Pupa fly is August and September
Patterns to use: Wet Flies
Time to Fish Adult fly is October to November
Patterns to use: Dry Flies