Curly Woodlouse
Cylisticus convexus (De Geer, 1778)

Taxonomy

Description

Diagnostic characters

Ecological class

Troglophile

Realm

Terrestrial

Distribution

Range

Known from 19 counties across seven states.

Continent

North America

Country

United States

States and provinces

Alabama, Georgia, Illinois, Indiana, Kentucky, Tennessee, Virginia

Counties

Alabama

Limestone, Marshall, Morgan

Georgia

Bartow, Dade, Floyd, Walker

Illinois

Adams, Hardin, Monroe, St. Clair

Indiana

Crawford

Kentucky

Fayette

Tennessee

Hamilton, Jackson, Montgomery, Pickett, Sequatchie

Virginia

Roanoke

Conservation and management

NatureServe

G5 Secure

National ranks

United States

NNA

Subnational ranks

Illinois

SNA Not Applicable

Oklahoma

SNA Not Applicable

Alabama

SNA Not Applicable

Indiana

SNA Not Applicable

Wyoming

SNA Not Applicable

Georgia

SNA Not Applicable

State and federal status

Not listed under the U.S. Endangered Species Act

References

• Hatch, M.H. 1939. Records of terrestrial Isopoda or sow bugs from North America. The American Midland Naturalist 21: 256–157. doi:10.2307/2420383
• Lewis, J.J., Moss, P., Tecic, D. & Nelson, M.E. 2003. A conservation focused inventory of subterranean invertebrates of the southwestern Illinois karst. Journal of Cave and Karst Studies 65: 9–21.
• Lewis, J.J. 2005. A biological inventory of caves of the Cumberland Plateau. Tennessee Chapter Cave Program, The Nature Conservancy, Nashville, Tennessee, USA. 156 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., Anderson, C.L., Maxwell, E.C., Midgette, H., Quering, C., Richards, M., Wilson, K. & Wirwa, N. 2025. A noteworthy range extension of the federally endangered Alabama Cave Shrimp (Palaemonias alabamae) south of the Tennessee River in northern Alabama. Southeastern Naturalist 24: N47-N58. doi:10.1656/058.024.0403
• Peck, S.B. & Lewis, J.J. 1978. Zoogeography and evolution of the subterranean invertebrate faunas of Illinois and southeastern Missouri. National Speleological Society Bulletin 40: 39–63.
• 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
• Peck, S.B. 1989. The cave fauna of Alabama. Part I. The terrestrial invertebrates (excluding insects). National Speleological Society Bulletin 51: 11–33.
• Reeves, W.K., Jensen, J.B. & Ozier, J.C. 2000. New faunal and fungal records from caves in Georgia, USA. Journal of Cave and Karst Studies 62: 169–179. https://caves.org/wp-content/uploads/Publications/JCKS/v62/v62n3-Reeves.pdf.
• Schultz, G.A. 1970. Descriptions of new subspecies of Ligidium elrodii (Packard) comb. nov. with notes on other isopod crustaceans from caves in North America (Oniscoidea). The American Midland Naturalist 84: 36–45. doi:10.2307/2423724
• Vandel, A. 1950. Isopodes terrestres recueillis par C. Bolivar et R. Jeannel (1928) et le Dr. Henrot (1946). Archives de Zoologie Experimentale et Generale 87: 183–210.
• Webb, D.W., Taylor, S.J. & Krejca, J.K. 1993. The biological resources of Illinois caves and other subterranean environments. Illinois Natural History Survey, Champaign, Illinois, USA. 143 pp.
• Zigler, K.S., Niemiller, M.L., Stephen, C.D.R., Ayala, B.N., Milne, M.A., Gladstone, N.S., Engel, A.S., Jensen, J.B., Camp, C.D., Ozier, J.C. & Cressler, A. 2020. Biodiversity from caves and other subterranean habitats of Georgia, USA. Journal of Cave and Karst Studies 82: 125–167. doi:10.4311/2019LSC0125

How to cite this account

Data sources and funding are listed in the Acknowledgments.

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