Wisconsin Fly Fishing during the Stonefly Hatch


Wisconsin Trout Stream Maps

Early Brown Stonefly Hatch
Strophopteryx fasciata


Early Brown Stonefly hatch is one of the earliest hatches where you might get a chance to fish for rising trout on a freestone stream in NorthWest Wisconsin. The hatch occurs from mid-March into mid-April depending on the temperatures, Winter snow amounts and the stream location. Before the Wisconsin DNR started the early season catch & release we never got a chance to experience this wonderful early season stonefly hatch.

The small little stonefly adults hatch sporatically during the daylight. Especially in midday and early afternoon, but it depends on the seasonal weather. The adults seem to struggle at getting off the water and that gets the trout's attention. The stoneflies come back on the water to lay their eggs and flutter and skate across the surface. You will find them in the riffled waters of the freestone northern streams. (I have not successfully caught the stonefly nymph, but I have collected many adults.)

For my preferred fly dressing I use a size #12 Mustad 94840 dry fly hook, with a very brown coastal deer hair wing, and two black dry fly hackles or dark brown and black. I actually have found the Hebert Miner Black hen capes to be perfect for this pattern and the hen capes are very cheap to buy. At times, I clip the hackle on the bottom of the fly to make the imitation flush on the surface, or switch to a parachute pattern, When the trout are taking the fluttering stoneflies skating across the surface I like a simulator type pattern with a hackle palmered body..

early brown stonefly

Early Brown Stonefly

early brown stonefly on the river

Early Brown Stonefly pattern

Brown Trout early brown stonefly imitation

stonefly habitat

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