PMDfly fishing glossary
Pale Morning Dun — a prolific mayfly hatch (Ephemerella) important for summer dry fly fishing.
Pale Morning Duns are medium-sized mayflies (#14–18) that hatch from late spring through summer. They're one of the most reliable and exciting dry fly hatches across Western rivers.
Timing
PMDs typically emerge mid-morning to early afternoon, often between 10 AM and 2 PM. They prefer water temperatures in the 55–65°F range.
Patterns
- Sparkle Dun (#16)
- Comparadun
- Parachute PMD
- Pheasant Tail (nymph)