Nemoura cinerea, known as spring stonefly or brown stoneflies. Fly fishermen often refer to these insects as tiny winter blacks.

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Photo credit: © Henri Koskinen / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: black, blacks, brown, cinerea, finland, fishing, fly, fly-fishing, food, insect, nemoura, plecoptera, spring, stoneflies, stonefly, tiny, trout, winter