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Devaux MAI 01 Emergent Fly

Manufacturer: Devaux
Devaux MAI01 emergent flies, ideal for fly fishing thanks to their realism, effectiveness and precision tying.
SKU: DVX-MAI01H10-GROUP
GTIN: 3700087146826
3.10 CHF incl tax
ReferenceModèleQuantitéTailleStock quantityAvailabilityPrice
DVX-MAI01H10
MAI 011H100
To order - lead times vary according to supplier
3.10 CHF
DVX-MAI01H12
MAI 011H120
To order - lead times vary according to supplier
3.10 CHF
DVX-MAI01H14
MAI 011H140
To order - lead times vary according to supplier
3.10 CHF
DVX-MAI01H16
MAI 011H160
To order - lead times vary according to supplier
3.10 CHF
DEVAUX EMERGENT FLIES MAI01: the must-have reference for fly fishing enthusiasts demanding effectiveness, stealth and realism. A true concentrate of know-how and innovation, this pattern offers outstanding finishing quality, delivering optimal performance on challenging rivers. Designed to tempt even the wariest fish, the MAI01 Emergent Flies set a new standard in emergent patterns.

1) Striking introduction
The DEVAUX MAI01 EMERGENT FLIES are crafted to provide the ultimate imitation of natural emergents—an essential item in any serious fly angler’s box. Their intelligent design and meticulous attention to detail give you a decisive advantage in technical fishing situations.

2) Technical features

  • Hand-tied with precision for a refined finish

  • High-quality reinforced steel hook

  • Pattern inspired by May emergences, a crucial phase for trout

  • Constructed from selected materials for buoyancy and durability

  • Intended for freshwater fishing (rivers, streams)

  • Universally compatible with all fly rods



3) Benefits and product strengths
The MAI01 Emergent Flies stand out for their near-perfect imitation of insects in the emergence stage—vital for succeeding in the most demanding fishing sessions. Their subtly worked profile attracts cautious fish, while the hook’s strength ensures reliable holds during the fight. Thanks to modern materials, these flies offer excellent flotation even in fast currents—a decisive criterion for success.

  • Fine workmanship meeting the needs of discerning anglers

  • High resistance to water and wear

  • Remarkably natural appearance, likely to trigger immediate strikes



4) Usage tips and recommended rigs
Use the MAI01 Emergent Fly on fine tippets to maximize presentation stealth. It adapts to standard weighted leaders and excels when mounted on a tapered setup, perfectly simulating the insect’s behavior as it leaves the water. Favor a slow or natural drift animation to fully exploit its potential and effectively fool trout and other salmonids. This pattern performs particularly well during major May hatches, when fish become extremely selective.

5) Testimonials and expert opinions
"After several early-season outings, I can confirm that the DEVAUX MAI01 EMERGENT FLY triggered strikes when other patterns had no effect. Its natural look and optimal buoyancy make all the difference, even on pressured fish. A must in every serious fly angler’s box!" – Jules Moret, enthusiast for 25 years

6) FAQ and additional information

  • When is the MAI01 Emergent Fly best used? Ideal during May hatch periods and throughout the emergent season.

  • Is it suitable for beginners? Yes, its realism and user-friendly tying make it a reliable choice for all skill levels.

  • How to ensure longevity? Rinse and air-dry after each outing to preserve the fibers.


Enjoy Devaux innovation with the MAI01 EMERGENT FLY and maximize your catches throughout the season.