This is by far  my favorite olive dun. It was created by Jacques Boyko - a fantastic French  fisherman (multiple champion with French Team,  Team Captain and great fisherman guide )  

Is not complicated to do,  maybe a little bit fancy due to material used for body. But sometimes a colorful fly will work better than the classic ones. So here is a version of F Fly that works for me: Hook: Demmon D400 #12-18 Thread: Black 8/0 Body: Blue Macaw barb Wing: Troutline CDC  Campbell  

This model is one of my daily favorite F Fly. Is tied to represent small dun flies, sedge flies and yellow stone flies in the same time. It is delicate and effective in the same time. For fishing in medium and slow running rivers with spooky fish this is a model that you should start ...

This is not the easiest emerger to tie but works excellent in all kind of waters and trout seems to love it. I had great results in rivers from Italy, Poland and Sweden and I had entire evenings with trout eating mainly this fly. It is in my box all the time and when I ...

Materials used: Hook: Demmon Competition D400 BL #12, 14, 16,18,20 Thread: Uni 8/0 Black Body: Uni Thread black Ribbing: silver wire 0.09 Thorax: one turn of squirrel dubbing Wing: CDC Teal Duck -2 feathers In some parts from Europe this fly is considered for many years a classic model. In fact this fly was developed by ...

Materials used: Hook: Maruto Dohitomi D04 #12, 14, 16 Thread: Uni 8/0 Black Body: Peacock herl Tail: Red floss Hackle: ginger or  brown palmered over the entire body Wing: CDC Teal Duck -2 feathers In some parts from Europe this fly is considered for many years a classic model. In other parts or even countries the ...

Tying Recipe and materials: Hook: Barbless #10-16 Thread: UTC 70 Cream Body: Pure Squirrel Dubbing yellow mixed with olive Tail: 2 fibers of Krystal Flash Wing: CDC fixed in loop – natural grey color or natural black – (Troutline Ultra Select CDC is used here) Hackle: Partridge  back spotted feather Fishing Tips: -It is a fly that floats excellent , a sedge pattern ...

Tying Recipe and materials: Hook: Barbless #12-16 ( in this case is used Maruto Dohitomi D23 BL) Thread: UTC 70 Denier Black Body: cream biot Tail: Coq de Leon - Pardo Corzuno Medio Wing: CDC fixed in loop - natural grey color or natural black - (Troutline Ultra Select CDC is used here) Thorax: Spikey Dubbing in natural color ...

Tying Recipe and materials: Hook: Barbless #14-#20 Thread: Uni 8/0 Body: yellow Mad Rabbit Dubbing Tail: Coq de Leon Wing: CDC in natural tan color from Teal Duck fixed in dubbing loop Ribbing: 0,09 wire to increase the durability Fishing tips: perfect for fishing when small yellow dun are all over extremely efficient in Summer and Autumn tied on size #18-20 is  great for catching grayling all day ...

Tying Recipe and materials: Hook: Barbless #14-#20 Thread: Uni 8/0 Body: blue dun thread Tail: long synthetic fibers tied in V Wing: CDC in natural tan color from Teal Duck Thorax: hare dubbing from mask - Mad rabbit Dubbing in natural color Fishing tips: perfect for fishing when Baetis insects hatch extremely efficient in Summer time and in Autumn tied on size #18-20 is  great ...