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Tuesday, 13 March 2018

Tying Davie McPhail's "Goose CDC Iron Blue Dun"

In this week's video, Davie's tying up a twist on the classic Dun pattern using Goose CDC but first, let's have a look at the cycle of the Iron Blue.While the Iron Blue has been heavily affected by abstraction, pollution, and dredging, you'll find that trout love eating these little flies.All upwinged flies go through four unique stages in their lifetime: egg, nymph, dun, and spinner. The opening stages are spent underwater whereas the latter are the two winged stages. 


Skipping the egg stage, the nymph is the first stage post-hatching. Nymphs have three tails and mainly feed on algae and rotting vegetation. Nymphs are sorted into six categories that describe how they have adapted to their habitat and how they act within it. These are well imitated by a classic Pheasant Tail Nymph.
The Nymphs of our Iron Blue, which is otherwise referred to scientifically as Alainites muticus are what is referred to as "agile darters". As an "agile darter" these creatures are unique and a special interest to anglers due to the way that they quickly swim around the water in search of more food thus Trout can eat them even when there is no hatch of flies.
 Iron Blue Nymph

Imitating the nymph's natural darting movement is important when it comes to moving your fly around the water. A tip to achieve short, jerky movements for your nymph would be to dip the rod tip just below the water. 
The Dun/Subimago of the Iron Blue


Now in the form of a Dun, the Iron Blue is a tiny fly when compared to other popular up-winged flies that are prevalent during the springtime, with its main emergence period of April/May.





Unlike some other flies, the Iron Blue has a second generation that emerges in September/October. The Iron Blue is known for giving good sport no matter the weather conditions right through the season




Davie McPhail ties an Iron Blue Dun this week with Goose CDC, which results in a high-quality fly. All of the materials needed to tie this fly are available from Glasgow Angling Centre as listed below, but as always if you need any help finding materials or substitutes then we'll be happy to help. Without further ado, here's Davie McPhail's take on an Iron Blue Dun with Goose CDC.


Materials Used:
Hook: Fulling Mill Ultimate Dry Fly size 18
Thread and Tag: Uni - 8/0 Wine
Tail: Coq de Leon Fibres
Body: Uni-Mylar Clear
Thorax: Natural Rabbit Grey Underfur
Wing: Veniard Cul De L'Oie - Goose CDC

Davie's preferred type of whip finish tool can be found HERE!

(Come along to the rescheduled Fishing Megastore Open Weekend and check out Fly Tyers Row. We'll have excellent tyers from all over Britain giving demos in the store all weekend.
Other guests at the Open Weekend include Scott MacKenzie, Ian Gordon and more!)

Be sure to attend, there's lots to see and do! Pick up your Golden Ticket for a FREE gift!

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