NymphJumbo Juju
The Jumbo Juju is a large stonefly nymph pattern that applies Charlie Craven's signature Super Hair body construction to a bigger profile for imitating giant stonefly nymphs. This robust pattern features a white brass or tungsten bead, lead wire for additional weight, a Super Hair body with brown and orange strands, a black dubbed thorax, and a dual wing case system using opal mirage tinsel and Thinskin. The UV resin coating adds durability and a realistic sheen.
Spring, Summer
Intermediate
Trout
Dec 2025
Overview
This Charlie Craven pattern from Charlie's Fly Box showcases his innovative Super Hair body construction scaled up for larger stonefly imitations. The Jumbo Juju uses the same proven techniques as the Jujubaetis but with a longer hook and larger materials to target trout feeding on giant stonefly nymphs. The combination of brown and orange Super Hair strands creates realistic segmentation and color variation. The dual wing case system with opal mirage tinsel underneath Thinskin adds flash and a realistic wing pad appearance.
Materials
Hook: Daiichi 1760, #12-18
Bead: Brass (or Tungsten) Bead 7/64", white
Weight: Lead Wire, .010
Thread: UTC 70 Denier, white (body), Veevus 8/0, black (thorax)
Body: Super Hair, brown (3 strands) and orange (2 strands)
Thorax: Superfine Dubbing, black
Casing: Mirage Tinsel, opal medium
Overwing: Thinskin
Glue: Solarez UV Resin, medium
Behavior & Presentation
Natural Behavior: Giant stonefly nymphs crawl among cobbles and boulders in fast water, occasionally getting dislodged into current. Their massive size provides more nutrition than dozens of smaller invertebrates, making them priority targets. Poor swimming ability means they tumble helplessly when dislodged.
Where Trout Eat It: Fish intercept these near bottom in pocket water, runs, and along cobbled banks where nymphs migrate before emergence.
How to Fish It: Dead drift near substrate as these nymphs are poor swimmers and tumble along the bottom when dislodged.
Best Water: Target pocket water, runs, riffle edges, and structure along banks where large stoneflies congregate.
Strike Type: Indicator dips, hesitations, or tightening signal aggressive takes on large prey.
Fishing Strategy
Rigging Suggestions: Fish on a euro nymph rig or under an indicator with 3X-4X tippet. The built-in weight from the bead and lead wire gets the fly down quickly.
Seasonal Timing: and summer when large stonefly nymphs are active and migrating toward shore for emergence. Peak effectiveness from March through July depending on location.
Pro Tips: The white bead and opal mirage tinsel provide flash that helps attract fish in faster, deeper water. The substantial weight ensures the pattern gets into the strike zone quickly.
Entomology
Giant stonefly nymphs inhabit fast, well-oxygenated water where they crawl among cobbles and boulders, occasionally getting dislodged into the current. Fish aggressively feed on these massive nymphs because they provide more nutrition than dozens of smaller invertebrates combined.
- Order
- Plecoptera
- Common Name
- Stonefly
- Organism Type
- insect
- Life Stage
- general