Dry FliesTrout Crack
John Wilson's Trout Crack blends a hare and fine-flash dubbing mix, tied olive, under a reddish-brown Liquid Lace shellback that adds a segmented, glossy back to the fly. A sparse tan thread rib picks out the body segments, giving trout a slim, flash-flecked profile that passes for mayflies or caddis on moving water and stillwaters through the warmer months.
Spring, Summer, Fall
Intermediate
Trout
Feb 2026
Overview
Wilson's design uses Liquid Lace, a stretchy vinyl-like material, as a shellback instead of the more common turkey or pheasant tail, giving the back a shiny, translucent quality that catches light differently than feather fibers. The hare and flash dubbing underneath keeps the body buggy while the flash adds attraction without overdoing it. It works best as a general searching pattern rather than an exact imitation, useful on tailwaters and freestone water when naturals are more suggestion than exact match.
Where to Buy This Fly
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Materials
- Hook:
- Ashima F-45 #14 (or equivalent)
- Thread:
- Benecchi 12/0, tan
- Body:
- Hare/fine flash mixture, olive
- Shellback:
- Liquid Lace, midge, light reddish/brown
- Rib:
- Tying Thread
Behavior & Presentation
Natural Behavior: When diverse insect species emerge simultaneously, adults create chaotic surface activity with overlapping mayfly duns, skittering caddis, and occasional stoneflies all competing for space. Trout abandon selective feeding during these mixed hatches, attacking any substantial surface disturbance with aggressive opportunistic strikes.
Where Trout Eat It: Upper water column during active surface feeding, targeting riffles and runs where multiple insect species concentrate in overlapping emergence windows.
How to Fish It: Cast upstream with drag-free drift through productive feeding lanes, relying on the pattern's high visibility to trigger strikes from trout feeding opportunistically on mixed hatches.
Best Water: Moderate riffles with complex current seams, pocket water between boulders, and tail-outs where diverse insect species funnel into concentrated feeding zones.
Strike Type: Aggressive visible rises with audible splashes as trout attack the attractor pattern without hesitation during opportunistic feeding periods.
Fishing Strategy
Rigging Suggestions: Fish on a 9-12 foot leader with 4X or 5X tippet. Use quality gel floatant on hackle and body to maintain high-riding flotation.
Seasonal Timing: Produces consistent results from April through October during mixed hatches, with exceptional performance during when diverse insect activity occurs simultaneously.
Pro Tips: The attractor design triggers aggressive strikes from opportunistic feeders. Excellent choice when fishing unfamiliar water or as a searching pattern.
Entomology
During intense caddis emergences, overlapping generations of adults create chaotic surface activity with insects constantly landing, taking off, and egg-laying. The concentrated biomass and continuous disturbance triggers feeding frenzies as trout gorge on the abundant, distracted insects.
- Order
- Trichoptera
- Common Name
- Caddisfly
- Organism Type
- insect
- Life Stage
- adult
