I have also used the light TPI March Brown material as an underwing on a skitting caddis and even as an underwing on Muddler Minnows; as seen further on.

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EP TRIGGER POINT                                                                                                                           PAGE 2

Have you ever thought how big a Mayfly looks to a trout up close like this and what triggers a take?

So after dozens of emails zipping back and forth across the Pacific, we slowly started to build the Trigger Point collection.
 
In developing the Trigger Point International range, we first looked at the Mayfly species and their common wing colours, such as the blue/grey and the mottled browns.  Then came the olives, the spinners were easy but we still added a few new tricks to tease old speckles with.  Then we looked at Caddis, Stoneflies and finally, terrestrials.
 
The final stage was to select a series of unblended colours so that you can build your own combinations.  Have we finished building the Trigger Point International range?  To be honest, because there are so many creative fly tyers out there, I don’t think we ever will.

Calibaetis Speckled Dun

The TPI range is unique in so many ways for it is so versatile that even we are still learning the benefits of this amazing product.  There are many good winging products on the market but we believe we have created a product that for the first time allows you to match as closely as you want to the wings of the natural insect you may wish to imitate and here is why.

1.        With the TPI color combinations you can select from our extended range or create a blend to match just about any wing coloration found in the insect world.

2.        The unique non-matting fibres allow you to blend colours as you wish.  As an example, by using a few strands of black, dark brown, olive or any colour you choose, you can simply create a fore-edge along a Mayfly wing.

3.        Many of the TPI colors that we have designed in fact have a subtle amount of black fibres threaded throughout the blend to specifically represent the wing venation.

4.        The TPI fibres are unique in that they are so fine and delicate that they allow you to use them on just about any size hook you choose, yet they are strong enough when used as an upright wing to minimise collapsing over time, which is a common problem.

5.        The TPI fibres are so light-weight that they resist affecting the balance of a well tied fly. 

6.        The total TPI range is marking pen friendly; you can simply add blotches or bars across any wing design.  Or if you wish, you can darken the whole wing or create a fore-edge just with a touch of a pen. 
 
7.        Another unique feature of the TPI range is that it has been pre-treated with a floatant to assist in maintaining the look of the wing that you have created. 

Range Explanation, Tying Tips & Suggestions

A.australis Male Photographed by Mick Hall
Atalophlebia australis is often referred to as Australia’s answer
to the fabled March Brown

Flies & Photography Mick Hall

Arguably there are a lot of species that are commonly referred to as the March Brown.  As an example, Perrault’s Standard Dictionary of Fishing Flies lists thirty-three American patterns alone and Terry Hellekson’s work, Fish Flies, Vol.1, lists a number of different species referred to as a March Brown.  So be it.
 
We have developed a light and dark winging material to match most of the popular materials normally used in the dressings for March Browns.  Even in saying that, some variations I have seen may need a fore-edge of black just to highlight the wing.  This is your choice