The Nemouridae are a family of stoneflies containing more than 700 described species, occurring primarily in the Holarctic region.[1][2] Members of this family are commonly known as spring stoneflies or brown stoneflies. Fly fishermen often refer to these insects as tiny winter blacks.

Nemoura cinerea
Scientific classification e
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Infraclass: Neoptera
Superorder: Exopterygota
Order: Plecoptera
Family: Nemouridae

Although these insects use a wide range of flowing-water habitats, they tend to be most prevalent in smaller streams. The nymphs are distinctive, being broad-bodied and bristly with divergent wing pads.


These 20 genera belong to the family Nemouridae:[2][3]


  1. ^ Nelson, C. Riley. 1996. Nemouridae. Version 1 January 1996 (under construction). in The Tree of Life Web Project,
  2. ^ a b DeWalt, R.E.; Maehr, M.D.; Neu-Becker, U.; Stueber, G. (2019). "family Nemouridae". Plecoptera species file online, Version 5.0. Retrieved 11 June 2019.
  3. ^ "Nemouridae". GBIF. Retrieved 11 June 2019.