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Caddis Larva & Pupa Flies

Caddisfly larva and emerging pupa are literally all the buzz on the trout stream throughout much of late spring, summer and fall. Caddis pupa are great flies for searching for active fish on most rivers this time of year. Turn a few rocks over and match your fly to what you find. When you hit it right with the caddis pupa the trout are looking for, it can be lights out.

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Caddisflies make up a massive portion of a trout’s diet—and most of that feeding happens below the surface. Caddis Larva & Pupa Flies are critical patterns for imitating the underwater stages of this prolific insect, especially in rivers where caddis species are abundant year-round. From slow-moving riffles to deep tailouts, trout instinctively key in on the vulnerable, drifting forms of caddis larvae and pupae.

Caddis Larva & Pupa Flies are designed to imitate these insects in both their free-living and case-building stages, as well as during their transition to adulthood. Larva patterns typically ride near the bottom, where real caddis cling to rocks and debris, while pupa flies are fished higher in the water column to match the natural emergence. Effective designs like the Beadhead Caddis Larva and Sparkle Pupa feature lifelike segmentation, subtle flash, and natural movement to trigger strikes from wary trout.

Whether dead-drifted as part of a tight-line nymph rig, floating under an indicator, or suspended under a dry fly, Caddis Larva & Pupa Flies are a go-to choice for consistent subsurface success. They’re especially productive in the hours leading up to an evening hatch, when trout begin to feed more actively on rising pupae. For anglers serious about matching the full life cycle of aquatic insects, these flies are indispensable—and often the key to unlocking pressured or selective fish.

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