Etha Wing Emerger - PMD #14, CLEARANCE! The pale morning dun represents the largest mayfly hatch in North America, both in sheer numbers and the rivers they are found in. The Etha Wing Pale Morning Dun Emerger can be fished with floatant applied only to the wings. The fly body will be submerged, giving the appearance that the pmd is hatching. Trout love emergers because they are an easy meal.