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Catch Trout All Across Canada by Imitating These 3 Delicious Insects

Big Three Bugs

Catch trout all across Canada by imitating their favourite food—mayflies, caddisflies and stoneflies

Mayflies
Mayflies

Mayflies

Also known in some regions as shadflies or fishflies, mayflies are the best known and most often imitated trout food. Mayflies spend 99 per cent of their lives underwater as nymphs (above left), which are very important trout forage. When the nymphs are ready to mature, they rise to the surface and struggle to emerge from their husks.

Once they’ve emerged, the fragile adults—also known as duns—drift on the surface waiting for their wings to dry before they can fly away. Duns (above right) are easy to recognize by their long, slender bodies, triangular upright wings resembling a boat’s sail and helicopter-like flight. Depending on the species and conditions, mayflies can hatch individually, in small groups or in massive swarms.

Choice Flies

Nymphs: American Pheasant Tail (above), Gold Ribbed Hare’s Ear, Prince Nymph, all with or without bead heads

Wets: Leadwing Coachman, Partridge and Orange, Hare’s Ear Flymph

Dries: Parachute Adams, Klinkhammer Special, Sparkle Dun (below)

Strategies

Trout eat mayfly nymphs as the insects drift helplessly with the current, so imitations should be dead-drifted below the surface. To get the fly down, it can be internally weighted or sport a bead head, or you can add weight to the leader. Nymph fishing can be challenging. You need to get your fly in the strike zone without constantly hanging it up, maintain a drag-free drift and detect the subtle takes. This is where using a strike indicator is a big help.

Mayflies are especially vulnerable to predation as they rise and emerge; an easy way to imitate this stage is to use the classic down-and-across wet-fly swing. This tactic is a little out of fashion, but it works as well today as when it was invented two centuries ago. Not surprisingly, adult mayflies are imitated with dry flies, most often dead-drifted up and across the current.

Scott Gardner

Scott Gardner

Outdoor Canada associate editor and fly-fishing columnist Scott Gardner is happiest when he's on the water fishing (especially from his kayak) or just surrounded by trees, preferably out of cell phone range. Since joining Outdoor Canada in 2010, Scott has won nine National Communication Awards from the Outdoor Writers of Canada for his adventure travel and fly fishing articles, and been nominated for five National Magazine Awards.

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