I had a request from ParamedicPete to do an SBS for this nymph that I recently posted in the fly tying section. I've labelled it a PT nymph (olive variant) but I suppose it could also be an Olive nymph variant but I'm sure I'll be corrected on that but that will do for now, although its a long way off the original PTN tied with copper wire. Tied on a Kamasan B175 size 12 but any decent nymph hook will do.
Select a decent sized olive hackle about 2 inches in length.
Strip the hackle as in pic below.

Start thread about an eyes length from hook eye and catch in hackle stem and wrap it down to opposite hook barb
Cut 5 or 6 PT fibres (dyed olive) from feather and catch in for the tail and secure with a few turns
Wrap the PT fibres around the shank up to about two thirds the hookshank length, for extra strength a thin coat of varnish can be applied to the thread body and allowed to tack slightly before wrapping, then tie off fibres with a few thread turns.
Now wrap the hackle stem for the rib and tie off
Normally I would leave the PT fibres that I've just tied off for the thorax cover but I'm useing pearsalls thread which is thicker than a Uni 8 which is what I would normally use, so I have cut them off and am tieing in 5 or 6 more PT fibres near their tips. This will reduce bulk at the head when I tie off. I like the way pearsalls reflects the light which is why I am useing it here (no. 20 waxed lightly), if you are useing olive uni 8 then don't cut the PT fibres but leave them for the thorax cover.
Apply golden olive seals fur dubbing and form the thorax with it.
Now take a small olive coloured hen hackle and prepare it as in photo, you need to cut a v shaped notch in the end of the feather and the length of stem containing the hackle fibres should be the same length as the thorax (more or less). I am useing a french partridge hackle here as it has a nice green tinge to it.
Place the hackle so it lies over the thorax as in pic below and tie it in and remove waste stem. If the seals fur seems too bulky trim it off underneath and then pick some out again with a bodkin to create the desired effect although personally I like it to look slightly unkempt.

Pull PT fibres over thorax and hackle and tie off, cut off waste, make a head, whip finish and varnish.
The finished nymph

Thanks for lookng and hope you enjoyed this SBS (including Pete)
cheers
mark