J:son Mayfly Dun 3 Olive Grey #18 realistisk organic profile

organic profile

For serious fly tyers

High Quality: Exact proportions and biological colours that perfectly match the natural insect’s final life stage

The High-Contrast Swimmer – J:son Mayfly Nymph 3 Black (Hook #12) The Black Nymph 3 is a specialized imitation designed to match the swimming nymphs from families like Baetidae and Leptophlebiidae when they appear in their darkest stages

System Integration: Perfectly calibrated for use with J:son Wing Material – C5

J:son Mayfly Dun 3 Olive Grey #18 realistisk organic profileThe Mayfly Dun: The Moment of Truth (The Crucial Stage) The stage of the newly hatched adult Mayfly is called the Dun. This is arguably the most critical phase for the fly angler. Depending on surrounding circumstances such as temperature, wind, and weather, the time it takes before the Dun is able to fly away from the surface will vary. These newly hatched Mayflies are often an easy and vulnerable target for the fish, and many will end up in Mr.