NymphTwo Flymphs (generic)
This flymph-style nymph pairs a badger hen hackle with an olive Argentinean hare body spun in a split thread loop, giving the fur a spiky, translucent texture that pulses in the current like a swimming mayfly nymph. An optional gold wire rib and feather-barb tail let tiers dress it up or keep it bare, depending on how much movement they want.
Spring, Summer, Fall
Intermediate
Trout
Feb 2026
Overview
Built in the flymph tradition, the soft hen hackle is meant to work like an early emerging wing rather than a stiff dry-fly collar, giving the fly a soft, breathing silhouette underwater. The split-thread body technique flares the hare fur out from the thread core instead of packing it flat, so the fibers move independently in the drift. Because the rib and tail are optional, tiers can simplify it to a bare hackle-and-body pattern or add both for a fuller profile, and either version works as a searching nymph on rivers and stillwaters.
Where to Buy This Fly
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Materials
- Hook:
- Tiemco 102Y #15
- Thread:
- Pearsall's Gossamer silk, black
- Hackle:
- Hen, badger
- Rib (optional):
- Wire, gold
- Tail (optional):
- Feather barbs
- Body:
- Argentinean hare, dyed olive - in split thread
Behavior & Presentation
Natural Behavior: Mayfly nymphs swim with pulsing abdominal movements and gill vibrations as they transition from bottom feeding to pre-emergence staging just beneath the surface. Fish recognize these active swimming nymphs as more vulnerable than dead-drifting individuals, targeting the visible movement before hatches intensify.
Where Trout Eat It: Just subsurface to mid-depth in runs and riffles, with trout positioned in current seams intercepting swimming nymphs transitioning toward emergence zones.
How to Fish It: Traditional wet fly swing across current, adding Leisenring lift near drift's end to animate the pattern like ascending nymphs swimming toward the surface during pre-hatch movements.
Best Water: Moderate runs with depth transitions, riffle edges where nymphs stage before emergence, and current seams funneling pre-emergent nymphs into concentrated feeding lanes.
Strike Type: Subtle resistance or line hesitation as trout intercept swinging nymphs, often requiring immediate strip-set to connect during the brief take window.
Fishing Strategy
Rigging Suggestions: Use a 9-11 foot leader with 4X or 5X tippet. Fish one or two flies in tandem, spacing them 18-24 inches apart for traditional wet fly fishing.
Seasonal Timing: Effective year-round but peaks during mayfly emergences, particularly productive March through May and September through November.
Pro Tips: Traditional flymph technique emphasizes fishing just subsurface where emerging nymphs are most vulnerable. Maintain a tight line to detect subtle takes.
Entomology
Mayfly nymphs make subtle swimming motions using undulating abdominal movements and gill plate vibrations as they navigate between feeding areas. Trout are attuned to these small-scale movements, selectively targeting nymphs that display active swimming rather than dead-drifting postures.
- Order
- Ephemeroptera
- Common Name
- Mayfly
- Organism Type
- insect
- Life Stage
- nymph
