Offline — showing saved data
Pattern Library
Light Cahill Quill fly pattern
Dry · #392 of 532

Light Cahill Quill

Light Cahill Quill is a segmented pale mayfly dry with a quill body that excels during classic summer Light Cahill-type trout hatches. It supports Light Cahill Quill fly, light mayfly dry, and trout hatch searches.

Imitates: Light Cahill and other pale mayfly duns

Quick Reference

Best Sizes
#12-18
Best Season
Late spring through summer
Best Conditions
Glides, riffle tails, and classic mayfly hatch water
Water Temp
54-68°F
Recommended Tippet
5X-6X

How to Rig It

Fish it solo during pale mayfly hatches when trout are feeding steadily on duns.

How to Present It

Use gentle slack presentations for a long drag-free drift in softer lanes.

Why It Works

The slim quill body and pale silhouette match clean light mayfly duns very closely.

History

Quill-bodied Cahill variants remain favorites among anglers who want a cleaner segmented profile than dubbed dries provide.

Pro Tip

Carry it one size smaller than you think for selective fish in flat water.

Frequently Asked Questions

What does Light Cahill Quill imitate?+

It imitates pale mayfly duns, especially Light Cahill-type hatches.

Try the Fly Advisor

Not sure if Light Cahill Quill is right today?

Get a fly recommendation based on live water temp, flow, sky, and time of day for any river in the US.

Open Fly Advisor
MapFly GuideStrike ZoneReportsLogTools