What's hatching in the Southwest in May

47 fly patterns are active in the Southwest in May. Here's what to tie on — with sizes and full recipes.

Match the hatch live →

May hatches — Southwest

Pale Morning Dun (PMD) (Nymph)

Nymph · #16, #18 · imitates Ephemerella excrucians

Light Pale Morning Dun (PMD) (Nymph)

Nymph · #16, #18 · imitates Ephemerella excrucians

Pale Morning Dun (PMD) (Emerger)

Emerger · #16, #18 · imitates Ephemerella excrucians

Light Pale Morning Dun (PMD) (Emerger)

Emerger · #16, #18 · imitates Ephemerella excrucians

Pale Morning Dun (PMD) (Dun)

Dun · #16, #18 · imitates Ephemerella excrucians

Light Pale Morning Dun (PMD) (Dun)

Dun · #16, #18 · imitates Ephemerella excrucians

Pale Morning Dun (PMD) (Spinner)

Spinner · #16, #18 · imitates Ephemerella excrucians

Light Pale Morning Dun (PMD) (Spinner)

Spinner · #16, #18 · imitates Ephemerella excrucians

Tan Elk Hair Caddis (Nymph)

Nymph · #14, #16, #18 · imitates Hydropsyche

Olive Elk Hair Caddis (Nymph)

Nymph · #14, #16, #18 · imitates Hydropsyche

Black Elk Hair Caddis (Nymph)

Nymph · #14, #16, #18 · imitates Hydropsyche

Tan Elk Hair Caddis (Emerger)

Emerger · #14, #16, #18 · imitates Hydropsyche

Olive Elk Hair Caddis (Emerger)

Emerger · #14, #16, #18 · imitates Hydropsyche

Black Elk Hair Caddis (Emerger)

Emerger · #14, #16, #18 · imitates Hydropsyche

Tan Elk Hair Caddis (Dun)

Dun · #14, #16, #18 · imitates Hydropsyche

Olive Elk Hair Caddis (Dun)

Dun · #14, #16, #18 · imitates Hydropsyche

Black Elk Hair Caddis (Dun)

Dun · #14, #16, #18 · imitates Hydropsyche

Cinnamon Caddis (Nymph)

Nymph · #14, #16, #18 · imitates Cheumatopsyche

Cinnamon Caddis (Emerger)

Emerger · #14, #16, #18 · imitates Cheumatopsyche

Cinnamon Caddis (Dun)

Dun · #14, #16, #18 · imitates Cheumatopsyche

Golden Stonefly (Nymph)

Nymph · #8, #10, #12 · imitates Hesperoperla pacifica

High-Vis Golden Stonefly (Nymph)

Nymph · #8, #10, #12 · imitates Hesperoperla pacifica

Golden Stonefly (Dun)

Dun · #8, #10, #12 · imitates Hesperoperla pacifica

High-Vis Golden Stonefly (Dun)

Dun · #8, #10, #12 · imitates Hesperoperla pacifica

Red Zebra Midge (Nymph)

Nymph · #18, #20, #22 · imitates Chironomidae

Black Zebra Midge (Nymph)

Nymph · #18, #20, #22 · imitates Chironomidae

Olive Zebra Midge (Nymph)

Nymph · #18, #20, #22 · imitates Chironomidae

Cream Zebra Midge (Nymph)

Nymph · #18, #20, #22 · imitates Chironomidae

Red Zebra Midge (Emerger)

Emerger · #18, #20, #22 · imitates Chironomidae

Black Zebra Midge (Emerger)

Emerger · #18, #20, #22 · imitates Chironomidae

Olive Zebra Midge (Emerger)

Emerger · #18, #20, #22 · imitates Chironomidae

Cream Zebra Midge (Emerger)

Emerger · #18, #20, #22 · imitates Chironomidae

Red San Juan Worm (Nymph)

Nymph · #12, #14 · imitates Annelida

Pink San Juan Worm (Nymph)

Nymph · #12, #14 · imitates Annelida

Squirmy-Orange San Juan Worm (Nymph)

Nymph · #12, #14 · imitates Annelida

Prince Nymph (Nymph)

Nymph · #12, #14, #16 · imitates Attractor Nymph

Beadhead Prince Nymph (Nymph)

Nymph · #12, #14, #16 · imitates Attractor Nymph

Black Woolly Bugger (Streamer)

Streamer · #4, #6, #8, #10 · imitates Leech / Baitfish attractor

Olive Woolly Bugger (Streamer)

Streamer · #4, #6, #8, #10 · imitates Leech / Baitfish attractor

White Woolly Bugger (Streamer)

Streamer · #4, #6, #8, #10 · imitates Leech / Baitfish attractor

Callibaetis (Nymph)

Nymph · #14, #16 · imitates Callibaetis coloradensis

Callibaetis (Emerger)

Emerger · #14, #16 · imitates Callibaetis coloradensis

Callibaetis (Dun)

Dun · #14, #16 · imitates Callibaetis coloradensis

Callibaetis (Spinner)

Spinner · #14, #16 · imitates Callibaetis coloradensis

Green Caddis Larva (Nymph)

Nymph · #12, #14, #16 · imitates Rhyacophila

Green Caddis Pupa (Emerger)

Emerger · #12, #14, #16 · imitates Rhyacophila

Damselfly Nymph (Nymph)

Nymph · #10, #12, #14 · imitates Zygoptera

Other months in the Southwest

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

May in other regions