Isonychia-Slate Drake - Nymphs & Wet Flies - Flies
![Isonychia-Slate Drake - Nymphs & Wet Flies - Flies](https://reisaflyfish.com/media/catalog/product/cache/1/image/478x654/9df78eab33525d08d6e5fb8d27136e95/i/s/isonychia-slate-drake-fly-fishing-flies-nymphs.jpg)
![](http://detteflies.com/cdn/shop/products/IsonychiaSpinner_2_1024x1024.jpg?v=1628169999)
Mahogany (Isonychia) Spinner – Dette Flies
![](https://wiflyfisher.com/images/mayflies/iso-bicolor-under-leaf.jpg)
Isonychia bicolor mayfly hatch, Mahogany Dun, Slate Drake
![](http://www.troutnut.com/im_regspec/picture_2329_small.jpg)
Mayfly Genus Isonychia (Slate Drakes) hatch & pictures
![](https://reisaflyfish.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/i/s/isonychia-slate-drake-fly-fishing-flies-nymphs.jpg)
Isonychia-Slate Drake - Nymphs & Wet Flies - Flies
Hook Size: 10/12, The Perfect Fly Slate Drake Nymph nymph is a trout fly that imitates the Slate Drake Nymph mayfly in the nymphal stage of life.
![](https://perfectflystore.com/wp-content/uploads/2021/03/slate_drake_nymph3.jpg)
Slate Drake Nymph
![](https://i.ytimg.com/vi/CVW4zJlhbus/hqdefault.jpg)
Fly Tying: Purple Soft Hackle (Isonychia / Slate Drake Emerger)
![](http://www.flyfishingsmokymountains.com/wp-content/uploads/2021/05/mayfly1.jpg)
Mayfly Imitations - Fly Fishing Smoky Mountains
![](https://frostyfly.com/wp-content/uploads/2019/12/Fly-Fishing-Isonychia-Bicolor-Mayfly-Pattern-2.jpg)
Fly Fishing Isonychia Bicolor Mayfly Pattern - FrostyFly
![](https://donbastianwetflies.wordpress.com/wp-content/uploads/2013/09/isonychia-nymph-size-10-2.jpg)
Slate Drakes – aka “Isonychias”
![](https://i.pinimg.com/originals/1f/18/71/1f187125323c24e83abe6a486316a28c.jpg)
Isonychia sadleri dun. Commonly referred to as a Slate Drake or a Mahogany Dun
![](https://www.ginkandgasoline.com/wp-content/uploads/2014/02/swimming-iso-nymph.jpg)
Isonychia Nymph Patterns – 4 Proven Imitations - Fly Fishing, Gink and Gasoline, How to Fly Fish, Trout Fishing, Fly Tying