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March Brown Flies
The March Brown hatch is one of the most anticipated spring mayfly hatches on trout rivers across North America. Both Western species (Rhithrogena) and Eastern species (Stenonema / Maccaffertium) produce large mayflies that bring trout to the surface during warm spring afternoons. These insects are commonly found on freestone rivers and riffled water where trout feed aggressively during the hatch.
March Browns typically appear from April through early June, depending on water temperatures and location. During the hatch, trout often feed on emerging nymphs first, followed by adult mayflies drifting on the surface.
Below you’ll find our selection of March Brown fly patterns, tied in proven styles and sizes for trout waters across the United States.
5.0 / 5.0
2 Reviews
Beadhead Hare’s Ear Fly The Beadhead Hare’s Ear is one of the most versatile and reliable nymph patterns ever tied—and for good reason. Built to im...
View full details5.0 / 5.0
1 Review
The March Brown is a common insect name given to many different insect species. At its most simple, if you are fishing early spring (doesn't have ...
View full details5.0 / 5.0
1 Review
The Eastern March Brown differs slightly from the Western version. This pattern here has a lighter body and gray wings. Rithrogena Germanica,Sten...
View full details5.0 / 5.0
1 Review
A great improvement on this all-time classic pattern. Many nymphs take on a very shiny appearance right before emerging. Trout key in on this vu...
View full detailsOne of the best searching patterns out there. When fish are feeding sub-surface, they cannot resist a soft hackled fly drifting by with that life...
View full details5.0 / 5.0
1 Review
All the amazing benefits of the Beadhead Hare's Ear with the added movement and enticing properties of rubber legs. Still the #1 nymph in the wor...
View full detailsThis pattern represents the March Brown nymph. In many places the emergence of this nymph represents the beginning of the spring fly fishing. This...
View full details5.0 / 5.0
2 Reviews
One of the world's most popular prospecting flies, presented here a beadhead for the sink and wiggle. Buggy, flashy, suggestive of a plethora of ...
View full detailsWhile originally designed to imitate the Eastern Gray Fox, this is one of the most versatile large mayfly patterns you can carr...
View full details5.0 / 5.0
1 Review
Excellent for spring high water everywhere. In many places the emergence of this nymph represents the beginning of the spring fly fishing. This pa...
View full detailsParachute version of this popular mayfly hatch. Also great for Brown Drakes, and many other brown colored hatches. Rithrogena Germanica, Stenonema...
View full detailsThis pattern represents the Stenonema vicarium nymph. These are slow emergers and therefore a favorite of fly fishers. A very important spring pat...
View full detailsParachute version of this popular mayfly hatch. Also great for Brown Drakes, and many other brown colored hatches. Quill Body and CDC parachute gi...
View full detailsThis pattern represents the Stenonema vicarium nymph. These are slow emergers and therefore a favorite of fly fishers. A very important spring pat...
View full detailsPerhaps no other hatch is as anticipated as this early spring hatcher. This pattern also duplicates as a great searching pattern. Rithrogena Germa...
View full detailsAbsolute must in your fishing box, regardless of species. Imitates many under water food sources, has attraction, movement, a real classic. Create...
View full details5.0 / 5.0
1 Review
Every once in awhile a fly comes around that is both extremely effective and versatile, that would be an underestimate for the Borcher's Drake. Kn...
View full detailsA beautiful all-purpose soft hackle beadhead. Imitates a March Brown along with many other mayflies. Fish it in lakes, rivers and even works we...
View full detailsRedesigned and updated. Sure to be most effective during Brown Drake hatches, but useful during other drake, and march brown hatches as well. A na...
View full details4.0 / 5.0
1 Review
An excellent searching pattern. Silhouette resembles enough food patterns to work everywhere. A real workhorse that is not fished enough for fish ...
View full detailsThis fly was designed to be buoyant, will fish all day long. The March Brown is the first riffle-hatching mayfly of the season in the west. The ...
View full detailsNot always on the water, but when they are the fish are always biting. Emerger patterns are great for the time of day when the hatch hasn't yet st...
View full detailsNot really a fly designed to mimic any one mayfly hatch, more of a general purpose pattern when drakes are out. We like the parachute on this bug ...
View full detailsThis sneaky little dry/emerger pattern can trick even the pickiest trout. The simple pattern has the right amount of wing material to really pique ...
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