Target fish: trout / grayling
DRESSING:
Hook: 6 - 10 grub
Mounting thread: Black.
Body abdomen: Two feathers of mallard duck (dyed) mounted parrallel to the hook shank.
Rib: Mounting thread.
Thorax: Yellow, brown and grey CDC dubbing.
Hackles: Two turns of partridge.
Notes: Disregarding all the other duns, fish often prefer to take those mayflies that, trapped
in the surface film, did not make to emerge and fly.
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