BOSNIAN CDC EMERGER
Hook Size 16-20 Partridge K4AY Thread Semperfli 18/0 Nano silk, olive Body Semperfli 18/0 Nano silk, olive Rib Veevus 14/0 thread, yellow First thorax Hot orange seal fur Wing CDC Second thorax Hare’s ear
This imitation emerged while I was scratching my head on some tricky Bosnian rivers. Trout and grayling that had refused normal patterns just could not refuse the orange hot-spot. The fly has also worked in the UK, particularly during, but not limited to, blue-winged-olive hatches. Vary the thread colours.