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Stoneflies - Plecoptera: Nemouridae of Gunnison County, Colorado

Malenka coloradensis
Colorado Forestfly, Little Western Stonefly, Little Brown Stones, Early Winter Brown

(Banks) 1897
Updated 17 Dec 2017


The genus Malenka was previously named Nemoura. Older publications may refer to this species as Nemoura coloradensis. Malenka coloradensis is common and widespread in the mountains of western North America.

Good Links

On this website:
Malenka Introduction

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Photos, Map, Museum specimens, DNA - Barcodinglife.org


Banks, N 1897 New North american neuropteroid insects. Transactions of the American Entomological Society 24:21-31.
     Described as Nemoura coloradensis .

Baumann,RW, Gaufin,AR and Surdick,RF 1977 The stoneflies (Plecoptera) of the Rocky Mountains. Memoirs of the American Entomological Society 31, 1-208.
     Quote from page 32: "This species is widely distributed in the Southern Rocky Mts. The adults emerge from June to November." They mention Malenka coloradensis is present in Gunnison County.

Béthoux,O 2005 Wing venation pattern of Plecoptera (Insecta: Neoptera). Illiesia, 1(9):52-81. PDF

DeWalt,RE; Stewart,KW; Moulton,SR; Kennedy,JH 1994 Summer emergence of mayflies, stoneflies, and caddisflies from a Colorado mountain stream. Southwestern Naturalist 39 ()3) 249-256. PDF

Kondratieff,BC and Baumann,RW 2002 A review of the stoneflies of Colorado with description of a new species of Capnia (Plecoptera: Capniidae). Transactions of American Entomological Society 128 3, 385-401.
     Quote from page 392: "This species occurs widely throughout the state. It is usually found in seeps and small creeks, but is also present in larger lotic systems if water quality is sufficiently high."

Needham,JG and Claassen,PW 1925 A Monograph of the Plecoptera of North America. Entomological Society of America, Lafayette, Indiana. 397 pages.
     Described as Nemoura coloradensis.

Shepard, WD. and Stewart KW 1983 Comparative Study of Nymphal Gills in North American Stonefly Genera and a New, Proposed Paradigm of Plecoptera Gill Evolution. Miscellaneous Publications of the Entomological Society of America 13:1-57
     Illustration of nymphal osmobranchiae (gills) on page 34.

Vieira,NK; Barnes,TR and Mitchell,KA 2011 Effects of wildfire and postfire floods on stonefly detritivores of the Pajarito Plateau, New Mexico. Western North American Naturalist, 71(2) 257-270. PDF

Brown,WS 2004 Plecoptera or Stoneflies of Gunnison County, Colorado

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