Caddis Fly and the Art of Caddis Fly Fishing

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Caddis flies are the most abundant aquatic food source found in all rivers and streams in America. In many rivers and streams caddis flies start hatching in May and continue all the way through to October. It is critical that fly anglers understand this insect and the major role it plays in the feeding habits of trout in our waters. This class focuses on Caddis fly entomology and using successful strategies to catch trout during a caddis hatch.

The Caddis fly can make up to half of what an average trout will eat during the fishing season. Some studies done on the Clarks Fork River and the Missouri River actually show where the trout in those rivers prefer the Caddis fly over the May fly. On most of the rivers of Idaho and the Northwest you will find large populations of Caddis flies and the trout that feed on them. On the Boise River through the City of Boise you can actually catch trout rising to Caddis flies almost on a daily basis from June through late September. Given the above information it’s only logical that the successful fly angler must have a clear understanding on what a Caddis fly is and of course what affect the Caddis fly has on trout in our rivers.


So what is a Caddis fly and why should I know how to fly fish a Caddis fly? That’s what this class is all about. Emphasis on the life cycle of the Caddis fly and the many types of Caddis flies that populate our rivers and how these flies behave and live is clearly defined. Clear instruction is given on the types of fly patterns that are the most effective during a Caddis hatch and how these flies are perceived by feeding trout. Examples of the many Caddis emerger patterns that have historically caught trout on a consistent basis as well as the types of egg laying adults and the Caddis pupa are shown and discussed. The focus on the class is to give the angler complete information on understanding what Caddis flies are and the effective way to fly fishing a Caddis hatch.