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PMD

PMD

Best Flies for PMD & Sulphur Hatches

Best time: Late spring through summer
Water: Rivers, tailwaters, and spring creeks
Size: Typically 14–18

Shop by Hatch

Use smaller, precise patterns during active hatches and adjust between emergers and dry flies based on trout behavior.

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  • Aura Emerger

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    When fish are slurping, this one is catching Great for PMD and Sulphurs, but catches anytime a fish is cruising the film

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  • Barbless Beadhead Flashback Pheasant Tail

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    A great improvement on this all-time classic pattern. Many nymphs take on a very shiny appearance right before emerging. Trout key in on this vuln...

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  • Barbless Beadhead Pheasant Tail

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    One of the top five trout nymphs ever tied on a tippet. A near perfect imitation of the blue wing olive nymph, also works great for a general mayf...

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  • Barr's Emerger PMD - Glass Bead

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    Barr’s Emerger Glass Bead PMD The Barr’s Emerger Glass Bead PMD is a deadly transitional pattern built for trout feeding just below the surface du...

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  • Christiaens' GT Adult - Montana Fly Co - Mayfly Dry Fly

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    It's a great all-around mayfly dry The klinkhammer-style curved hook leaves much of the fly's body under the surface, represents a struggling emer...

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  • Cove's Pheasant Tail

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    Everyone, in mean everyone, has a pheasant tail nymph in a fly box. The Cove's Pheasant Tail is yet another pattern spawned from the ingenious p...

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  • Film Critic - Umpqua

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    Bob Quigley, the king of the "film” designed the Film Critic to match mayflies at their most vulnerable stage of the hatch, while emerging from nym...

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  • Flashback Pheasant Tail - Tungsten

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    A great improvement on this all-time classic pattern. Many nymphs take on a very shiny appearance right before emerging. Trout key in on this vul...

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  • Flashback Soft Hackle Pheasant Tail - Tungsten

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    Take a beadhead Pheasant Tail and give it a heavier bead, and you have a faster sink rate, and slightly different action to foll even the wariest ...

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  • Harrop's CDC Biot Dun PMD - Solitude - Mayfly Dry Fly

    $2.37
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    When trout are locked in on Pale Morning Duns and refusing anything that doesn’t look just right, Harrop’s CDC PMD is the fly you want on your lead...

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  • Hot Spot Pheasant Tail

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    Like all the Pheasant Tail patterns, this one has a spot in every trout fisher's fly box. Hot spots make more sense that one might think at first...

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  • Juju Baetis - Umpqua

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    The Juju baetis has become THE baetis pattern in the years since its inception. With a perfectly shaped, durable small mayfly profile, the Juju bae...

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  • Juju Baetis Tungsten - Umpqua

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    One of the most infamous baetis patterns in history. This pattern has been one of the top producers of picky fish across North America. Baetis are ...

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  • Limeade - Tungsten

    $1.22
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    A fantastic summertime PMD nymph. Imitates a caddis pretty dang well too Simple, heavy, flashy.  Often, the simplest fly is the most productive ...

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  • Missing Link Mercer's - Umpqua

    $3.23
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    The Missing Link is that fly that works even when when the hatch might be not quite as expected. You may have thought PMDs were going to pop today,...

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  • Moonshine Mayfly - Beadhead

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    Ton of flash gives this fly an more emergance look to it. Rootbeer glass bead creates a nice head with a translucent look to it.  A great addition...

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  • Morrish's May Day - Umpqua

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    This sneaky little dry/emerger pattern can trick even the pickiest trout. The simple pattern has the right amount of wing material to really pique ...

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  • Pale Morning Dun Thorax - Mayfly Dry Fly

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    Thorax style flies feature a single wing, and more hackling. Often fished with a 'V' cut in the bottom hackle to allow it ride lower. Proponents o...

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  • Parachute Adams Yellow - Mayfly Dry Fly

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    The Parachute Adams fly is one of the stables that almost every fly fisherman has in their fly box. The pattern imitates an abundance of insects ...

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  • Parachute Extended Body PMD - Solitude - Mayfly Dry Fly

    $2.37
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    This fantastic little dry fly for the pickiest trout. Soft and realistic, this is a proven winner. Customer requested, this one should have been i...

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  • Parachute Light Cahill - Mayfly Dry Fly

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    Excellent pattern for many light colored mayflies including Pale Morning Dun, Red Quills, Pale Evening Duns, Pale Watery Duns, and Spur Wings. If ...

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  • Parachute Sulphur

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    Absolute must pattern for the eastern United States, and a versatile enough color to be effective everywhere. Invararia, dorothea, are the scienti...

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  • PMD Poxyback

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    Quite simply one of THE great hatches. Many, many anglers rely on this hatch to provide them with the bulk of their warm weather fish. Begins as e...

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  • PMD Wet Fly

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    PMD is one of the most important hatches, known to trout fly fishers. It is also one of the most fished, be ready for all the different stages wit...

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  • Split Flag - RIO

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    This one is for you, Gen Z. The Spilt Flag is a modern twist on the tried and trued Parachute Adams millennials were given. Stacked hackle allows f...

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  • Sulphur Dun Dry Fly – Mayfly

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    Ephemerella invaria, throughout the Midwest and many other regions as well, this is THE hatch to fish. The duns take flight fairly quickly, but be...

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  • Tups Indispensable - Mayfly Dry Fly

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    This fly replicates a pale watery and has hints of pale ephemerid in it. A great pattern for those fish that seem timid to raise. An excellent sea...

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How to Fish PMD & Sulphur Hatches

PMD and Sulphur hatches are some of the most consistent mayfly events, often producing steady surface feeding and selective trout. Matching size, profile, and timing is key to success.

  • Start with nymphs before surface activity begins
  • Fish emergers as trout begin feeding just below the surface
  • Switch to dry flies when trout are rising consistently

When PMD & Sulphur Hatches Occur

PMD and Sulphur hatches typically occur in late spring through summer and can last for extended periods on productive rivers.

  • Most common from May through August
  • Often strongest in late morning through afternoon
  • Common on tailwaters and spring creeks

Fly Selection Tips for PMD & Sulphur

Trout feeding on PMDs and Sulphurs are often selective, especially on pressured water.

  • Use smaller patterns (sizes 14–18) to match the hatch
  • Downsize if trout are refusing your fly
  • Emergers are often more effective than dry flies during heavy hatches

PMD & Sulphur Fly Quality & Construction

  • Hooks: Chemically sharpened for consistent hook sets
  • Materials: Fine dubbing and delicate profiles for realistic imitations
  • Sizes: Consistent sizing for precise hatch matching
  • Tested: Proven effective on technical trout water

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