Common Pygmy Woodlouse
Trichoniscus pusillus Brandt, 1833
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Isopoda |
| Family | Trichoniscidae |
| Genus | Trichoniscus |
| Species | Trichoniscus pusillus Brandt, 1833 |
Description
Diagnostic characters
- Ecological class
- Troglophile
- Realm
- Terrestrial
Distribution
Range
Known from five counties across four states.
Continent
North America
Country
United States
States and provinces
Kentucky, Oklahoma, Tennessee, Virginia
Counties
- Kentucky
- Larue
- Oklahoma
- Delaware
- Tennessee
- Jackson, Rutherford
- Virginia
- Lee
Conservation and management
State and federal status
Not listed under the U.S. Endangered Species Act
References
- Fenolio, D.B., Slay, M.E. & Niemiller, M.L. 2023. Biological inventories of caves in the Ozarks of northeastern Oklahoma: December 2023 field report. Report to Oklahoma Biological Survey. San Antonio Zoo, San Antonio, Texas, USA. 24 pp.
- Lewis, J.J. & Lewis, S.L. 2007. A biological reconnaissance of selected caves in the Highland Rim area of central Tennessee. Tennessee Chapter Cave Program, The Nature Conservancy, Nashville, Tennessee, USA. 42 pp.
- Lewis, J.J., Whitaker, J.O. & Krantz, G.W. 2010. A biological reconnaissance of the invertebrate fauna of twelve Tennessee caves with notes on the guanophilic mites of the genus Macrocheles. Journal of the Tennessee Academy of Science 85: 53–61.
- Niemiller, M.L., Maxwell, E. & Higgs, J.P. 2024. A biological inventory of Sinking Spring Cave at Abraham Lincoln Birthplace National Historical Park, Larue County, Kentucky, USA. U.S. National Park Service, Hodgenville, Kentucky, USA. 21 pp.
- Peck, S.B. 1988. A review of the cave fauna of Canada, and the composition and ecology of the invertebrate fauna of caves and mines in Ontario. Canadian Journal of Zoology 66: 1197–1213. doi:10.1139/z88-176
- Trumbore, L.E., Reynolds, R.J., Thomas, S.C., Orndorff, W., Cramphorn, B., Gladstone, N.S., Harden, C.W., Lewis, J.J., Milne, M.A., Ober, K.A., Shear, W.A., Stephen, C.D.R. & Zigler, K.S. 2024. Cave biodiversity of Cumberland Gap National Historical Park. Journal of Cave and Karst Studies 86: 13–24. doi:10.4311/2022LSC0116
How to cite this account
Trichoniscus pusillus Brandt, 1833. Cave Biology Data Portal, account SP-2097. https://cavebiology.org/species/trichoniscus-pusillus/ (accessed 6 September 2026).
Data sources and funding are listed in the Acknowledgments.
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