Blue Wing Olive - Thorax

The Blue Wing Olive – Thorax is a time-tested dry fly pattern designed to imitate one of the most important mayflies in trout fishing. This classic Catskill-style thorax variation offers a natural profile, excellent flotation, and a realistic presentation that consistently produces results during Blue Wing Olive hatches.

Blue Winged Olives are among the most dependable and widespread mayfly hatches found on rivers, streams, and tailwaters across the country. Often emerging during overcast conditions, cool weather, and throughout much of the fishing season, BWOs are a staple food source that trout eagerly target.

Featuring an upright wing and traditional thorax-style silhouette, this pattern rides naturally on the surface and remains highly visible to anglers. Whether you're matching a hatch on a technical tailwater or prospecting a mountain stream, the Blue Wing Olive – Thorax is a proven performer that belongs in every trout angler's fly box.

Key Features
• Classic Catskill-style thorax design
• Realistic Blue Wing Olive imitation
• Excellent visibility and flotation
• Highly effective during BWO hatches
• Productive on rivers, streams, and tailwaters
• Trusted dry fly for selective trout

Imitates
Adult Blue Wing Olive (BWO) mayflies.

Available Sizes
#12 - #22

A true trout-fishing essential, the Blue Wing Olive – Thorax continues to fool wary trout wherever Blue Winged Olive hatches occur.