J:son Mayfly Dun 3 Olive Grey #18 realistisk you get a hook that

you get a hook that ensures maximum exposure and superior hooking capacity

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

The name "Gritter Bug" refers to its buggy

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

J:son Mayfly Dun 3 Olive Grey #18 realistisk you get a hook thatThe 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.