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Cave Biology Data Portal
Subterranean biodiversity of North America and around the globe
AnimaliaArthropodaHexapodaInsectaOrthopteraRhaphidophoridaeCeuthophilus

Ceuthophilus williamsoni Hubbell, 1934

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Order Orthoptera
Family Rhaphidophoridae
Genus Ceuthophilus
Species Ceuthophilus williamsoni Hubbell, 1934

Description

Diagnostic characters

Ecological class
Trogloxene
Realm
Terrestrial

Distribution

Range

Known from 11 counties in Illinois.

Continent

North America

Country

United States

States and provinces

Illinois

Counties

Illinois
Adams, Calhoun, Hardin, Henderson, Jackson, Jo Daviess, Johnson, Monroe, Pike, Saline, Union

Conservation and management

NatureServe

GNR Unranked

G1G2G3G4G5

National ranks

United States
NNR

Subnational ranks

Illinois
SNR Unranked
Missouri
SNR Unranked

Ranks looked up 2 July 2026. Conservation status changes, and a rank here is as current as that date and no more.

State and federal status

Not listed under the U.S. Endangered Species Act.

References

  • 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.
  • Peck, S.B. & Christiansen, K. 1990. Evolution and zoogeography of the invertebrate cave faunas of the Driftless Area of the upper Mississippi River Valley of Iowa, Minnesota, Wisconsin, and Illinois, U.S.A. Canadian Journal of Zoology 68: 73–88. doi:10.1139/z90-012
  • 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.
  • 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.

This account was last revised 6 September 2026. Conservation ranks were looked up 2 July 2026.

How to cite this account

Ceuthophilus williamsoni Hubbell, 1934. Cave Biology Data Portal, account SP-2289. https://cavebiology.org/species/ceuthophilus-williamsoni/ (accessed 22 October 2026).
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Data sources and funding are listed in the Acknowledgments.

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Cave Biology Data Portal

Species accounts, distributions, and conservation status for the subterranean fauna of North America and around the globe, with resources for the cave and karst research community.

Text and data CC BY 4.0. Images all rights reserved unless stated.

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