Dry FliesIron Blue Dun
The Iron Blue Dun is a dry fly pattern designed by Karlo Furlan. This effective pattern combines traditional materials with proven techniques for consistent results in a variety of water conditions.
Spring, Summer, Fall
Intermediate
Trout
Overview
This pattern was designed by Karlo Furlan. It demonstrates traditional fly tying techniques that have proven effective on waters around the world.
Pattern Characteristics
Materials
Hook: #14-16 dry fly hook
Thread: Black
Tag: Fluorescent red thread or floss
Body: Heron (or mole)
Hackle: Blue dun cock
Fishing Tips
Season
Most effective during spring, summer, and fall when mayflies are active.
Presentation
Dead drift on the surface with occasional subtle twitches.
When to Use
During hatch activity or as a searching pattern when fish are actively feeding.
Water Type
Effective in freestone streams, tailwaters, and spring creeks.
Rigging Suggestions
Fish on 9-12 foot leader with 4X-5X tippet.
Visibility & Floatation
Floats well with proper floatant application.
