Dry FliesBPS Spent Caddis

The BPS Spent Caddis is a versatile fly designed to imitate a spent caddisfly, a stage when the insect is extremely vulnerable and thus, a prime target for feeding fish. This pattern is a favorite among anglers for its realistic appearance and effectiveness in enticing strikes from wary trout.

Season
Spring, Summer, Fall
Difficulty
Advanced
Target Species
Trout
BPS Spent Caddis - Image source: Orvis
Image source: Orvis

Overview

A spent-wing dry fly tied with a dubbed body, spent wings made from CDC or Antron, and a sparse hackle or trailing shuck. The low-profile body should sit flush with the water. Keep the wing fibers splayed wide and horizontal to mimic the collapsed wings of a dying adult caddis.

Pattern Characteristics

Advanced Difficulty
Trout
Stillwater
Moving Water
Spring
Summer
Fall
Imitates: Caddisflies

Materials

Hook: Daiichi 1180, size #14-#18
Thread: Tan 8/0 Uni-thread
Body: Tan superfine dubbing
Wing: Elk hair
Hackle: Grizzly and brown dry fly hackle, mixed
Antennae: Wood duck flank fibers

Fishing Tips

Season

This pattern is particularly effective from late spring through fall, when caddisflies are most active.

Presentation

Present this fly with a dead drift, mimicking a spent caddisfly on the water's surface.

When to Use

Use this fly when you observe trout feeding on spent caddisflies, especially during a caddisfly hatch or in the evening when caddisflies are most active.

Water Type

This pattern is effective in both stillwater and moving water.

Rigging Suggestions

Rig this fly on its own or in a tandem dry fly setup with another caddisfly imitation.

Visibility & Floatation

The elk hair wing of this fly provides excellent visibility and floatation. Its hackle also aids in floatation, making it ideal for fishing in faster currents.