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Trichoptera: Rhyacophilidae of Gunnison County, Colorado

Rhyacophila tucula Ross 1950

Updated 2 May 2006
TSN 115189


Nearest confirmed specimens are from Idaho and northern Colorado. If we can find an adult, that would be a good range extension. R. tucula is very similar to R. alberta, of which adults have been found in our area.

Good Links

On this website:
Rhyacophila alberta
Introduction to Rhyacophila


Giersch, JJ 2002 Revision and phylogenetic anaysis of the verrula and alberta species groups of Rhyacophila Pictet 1834 with description of a new species (Trichoptera: Rhyacophilidae). Master of Science Thesis. Montana State University

Herrmann,Scott J; Ruiter,Dave E; Unzicker,John D 1986 Distribution and records of Colorado Trichoptera. Southwestern Naturalist 31(4), 421-457.
     They deleted R. tucula from their list because of a lack of adults.

Peckarsky,BL; Dodson,SI and Conklin,DJ, 1985 A key to the aquatic insects of streams in the vicinity of the Rocky Mountain Biological Lab, including chironomid larvae from streams and ponds. Colorado Division of Wildlife, Denver CO. 47 pages.
     R. alberta is discussed as R. tucula in a larval key.

Ross,HH 1950 New species of nearctic Rhyacophila (Trichoptera, Rhyacophilidae). Journal of the Washington Academy of Sciences 40 8, 260-265.
     Has the original description of R. tucula. Ross notes that R. alberta and R. tucula are very similar, possibly formed by speciation due to isolation during the last glacial advance. Perhaps the R. tucula in Peckarsky et al 1985 are really R. albertae.

Short,RA and Ward,JV 1980 Macroinvertebrates of a Colorado high mountain stream. The Southwestern Naturalist, 23-32. PDF

Smith,SD 1968 The Rhyacophila of the Salmon river drainage of Idaho with special reference to larvae. Annals of the Entomological Society of America 61 3, 655-674.
     Has a key to larvae that includes R. tucula and is included in the bibliography for Peckarsky et al 1985. Does not include R. alberta.

Brown,WS 2004 Trichoptera of Gunnison County, Colorado, USA