Rhyacophila amabilis Denning, 1965
Castle Lake caddisfly, Castle Lake caddis-fly, Castle Lake rhyacophilan caddisfly
Taxonomy & Nomenclature
Conservation Status
Missing (NatureServe, 2026) or Extinct (WCMC, 1992:209, 1996a,b)
Last (and only) record: May 1953 (Erman & Nagano, 1992:51 [type specimen only; May, no year given])
IUCN RedList status: Extinct
Distribution & Habitat
Castle Lake, Siskiyou County, California, USA
Biology & Habitat
Hypodigm
Only know from the holotype (male).
Media
References
Original scientific description:
Denning, D. G. (1965). New rhyacophilids and limnephilids (Trichoptera: Rhyacophilidae and Limnephilidae). Can. Ent. 97: 690-700.
Other references:
Baillie, J. and Groombridge, B. (eds). (1996). 1996 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.
Erman, Nancy A. and Nagano, Christopher D. (1992). A review of the California caddisflies (Trichoptera) listed as candidate species on the 1989 federal "Endangered and Threatened Wildlife and Plants; Animal Notice of Review". California Fish and Game 78(2): 24-56 [51].
Groombridge, B. (ed.). (1994). 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.
IUCN. (1990). IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.
Morse, John C. (1993). A checklist of the Trichoptera of North America, including Greenland and Mexico. Transactions of the American Entomological Society 119(1): 47-93. https://www.jstor.org/stable/25058246
NatureServe. (2026). Rhyacophila amabilis: Castle Lake Rhyacophilan Caddisfly. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available at: https://explorer.natureserve.org/ [Accessed on 3 October 2026]
Peck, D. L. and Smith, S. D. (1978). A revision of the Rhyacophila coloradensis complex (Trichoptera: Rhyacophilidae). Melanderia 27. 24 pp.
Rasmussen, A. K. and Morse, J. C. (2020). Distributional checklist of Nearctic Trichoptera (Fall 2020 Revision). Unpublished, Florida A&M University, Tallahassee. 517 pp.
Schmid, F. (1970). Le genre Rhyacophila et al famille des Rhyacophilidae (Trichoptera). Entomological Society of Canada Memoirs 66. 230 pp.
WCMC (World Conservation Monitoring Centre). (1992). Global Biodiversity: Status of the Earth's living resources. London: Chapman & Hall. xx + 594 pp.
WCMC (World Conservation Monitoring Centre). (1996a). Rhyacophila amabilis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. (http://www.iucnredlist.org). Downloaded on 26 May 2013.
WCMC (World Conservation Monitoring Centre). (1996b). Rhyacophila amabilis. The IUCN Red List of Threatened Species 1996: e.T19695A9003951. https://dx.doi.org/10.2305/IUCN.UK.1996.RLTS.T19695A9003951.en. Accessed on 02 July 2022.