the temptation is to just chuck your fly into the middle of those fish, and watch them eat. just because there are a lot of rising fish, that doesn’t mean the rules of fly fishing have changed. trout have feeding lanes, and the fly must be in that lane to be taken. when you’re working a pod of established risers feeding on pmd’s, it can get a bit frustrating. the established fish have found their groove, and are focused on a specific phase of the hatch, and are set in their ways. give that trout a chance to make a mistake before they find their comfort zone. the pale morning dun nymph is a very slow emerger.
the trout will often key on this stage. the short dropper length keeps the nymph just below the surface, and will take those trout not fully coming to the surface. this can be described as nervous water on the inside of the river bend. it’s not always easy to see trout rising in that diamond chop water, unless you look for them! but examine those soft insides carefully, as the pmd’s like to emerge there, and the trout love the cover the chop gives them. but there is a time in the middle of the hatch when both species will hatch simultaneously. pay attention to the size of the flies that are floating past you, that will tell you the size of the fly to tie on.
ascent fly fishing is open for walk in shopping monday-friday 8am – 5pm and by appointment on the weekends. ephemerella excrucians, better known by fly fishers as the pale morning dun or pmd can be found in trout rivers from coast to coast but is best known as a summertime staple from the midwest to the pacific. the nymph of the pmd is stocky in appearance and is among the “crawling type mayflies” that primarily inhabit the riverbeds in the riffles and runs of the river. more comfortable on the bottom of the river than in the current, the pmd nymphs are clumsy swimmers and will make several false starts swimming up and down in the current before making their final break towards the surface of the water.
the pmd nymph breaks through the surface of the river and hatches into its dun life cycle in the morning to early afternoon. to imitate this vulnerable life cycle, the angler can fish the pmd sparkle dun in sizes 14-16 or the pmd parachute emerger. as its name would imply, the dun life cycle has a light, creamy yellow colored thorax and abdomen. spending a total of 24 hours as an adult (dry fly), the spinners swarm over the river and mate in the evening before landing on the surface of the water to lay their eggs during the last hours of daylight.
the pale morning dun nymph is a very slow emerger. they often struggle at the surface film, as their thorax slowly splits down the middle and the wings the nymph of the pmd is stocky in appearance and is among the “crawling type mayflies” that primarily inhabit the riverbeds in the riffles and the caddis fly shop has a great selection of pmd pale morning dun flies that will match the hatch when fishing for trout in creeks, rivers,, pale morning dun vs blue wing olive, pale morning dun emerger, pale morning dun emerger, difference between pale morning dun and pale evening dun, pale evening dun vs pale morning dun.
pale morning dun emerger. it is natural to think that during a full blow pmd hatch, trout would feed on the high riding duns, but many have found that fishing pale morning duns or pmds provide some of the finest dry fly action of the summer. they are classified as crawler nymphs. nymphs, emergers, cripples, duns,, pale evening dun fly, pale morning dun vs sulphur.
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