Updated October 15, 2026
    dry

    March Brown

    Imitates rhithrogena/Maccaffertium adult

    Classic early-season mayfly pattern for eastern and UK waters.

    Buy at AmazonWhere it works (17)

    dry · hook sizes

    #10#12#14

    in brown, tan

    Type
    dry
    Imitates
    Rhithrogena/Maccaffertium adult
    Difficulty
    beginner
    Sizes
    #10, #12, #14
    Colors
    brown, tan
    Technique
    dry-drift
    Water
    freestone

    When to fish it

    Early spring during March Brown hatches.

    Where it works 17 waters

    Recommended on 17 waters in 11 states. Pick a state to narrow the list.

    Where to buy

    Amazon→

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    Read before you go

    Gear & tipsFly Tying EssentialsTools Materials & First Patterns to Learn
    Gear & tips

    Fly Tying Essentials – Tools Materials & First Patterns to Learn

    Master fly tying fundamentals with essential tools, materials, and beginner patterns that catch fish consistently.

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