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Olive Perdigon fly pattern
Nymph · #312 of 382

Olive Perdigon

Olive Perdigon is a deadly euro nymph for trout feeding on olive-toned mayflies in clear rivers and tailwaters. It supports Olive Perdigon, olive euro nymph, and best BWO nymph for trout searches.

Imitates: Blue-winged olive nymphs and other small olive mayflies

Quick Reference

Best Sizes
#16-20
Best Season
Late fall through spring, plus cloudy hatch days
Best Conditions
Tailwaters, riffles, and gentle runs with olive insects
Water Temp
40-56°F
Recommended Tippet
5X-6X

How to Rig It

Fish it as a point fly or as a heavier companion to a tiny midge trailer.

How to Present It

Drift it near the bottom with subtle contact and frequent short presentations.

Why It Works

The olive tone matches one of the most common and important trout food colors in many rivers.

History

Modern competition anglers made olive perdigons standard because so many rivers are loaded with small olive nymphs.

Pro Tip

It is especially effective on overcast days when trout become tuned to darker olive naturals.

Frequently Asked Questions

When should I fish Olive Perdigon?+

Fish it during BWO activity or anytime trout are keyed on darker olive nymphs.

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