J:Son Sweden's Mayfly Dun is an imitation of adult mayfly. It has an extension body and realistic wings.
Adult mayfly imitations are choice for grayling, char and rainbow & brown trout. Mayflies are found world wide and that's why mayfly imitations are popular in every fisherman's fly box. With adult mayfly imitations fishing is best in early summer, May and June.
In the chart below you can see approximate fly and hook sizes:
The product option you have selected is currently out of stock and cannot be added to the shopping cart. Please select another option.
Please select product options before adding to your cart.
You can select option by clicking option's image box.
We use cookies to make our shop more user friendly and secure. More information.