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

Ozark Cave Bristletail
Speleonycta ozarkensis Espinasa et al., 2010

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Order Zygentoma
Family Nicoletiidae
Genus Speleonycta
Species Speleonycta ozarkensis Espinasa et al., 2010

Description

Diagnostic characters

Ecological class
Troglobiont
Realm
Terrestrial
Troglomorphy
Troglomorphic

Distribution

Range

Known from five counties across two states in the Ozarks karst region.

Continent

North America

Country

United States

States and provinces

Arkansas, Oklahoma

Counties

Arkansas
Benton, Newton
Oklahoma
Adair, Cherokee, Delaware

Karst regions

Ozarks

Genetics

Molecular resources

MarkerMoleculeSequences LengthExemplar
16S mitochondrial 1 501-501 bp KJ128288.1

1 sequence, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.

Download all 1 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Conservation and management

State and federal status

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

Other resources

GBIF
9303923
iNaturalist
861658
NCBI Taxonomy
1478660

References

  • Espinasa, L., Espinasa, M., Fenolio, D.B., Slay, M.E. & Niemiller, M.L. 2014. Distribution and conservation status of Speleonycta ozarkensis (Insecta, Zygentoma, Nicoletiidae) from caves of the Ozark Highlands of Arkansas and Oklahoma, USA. Subterranean Biology 14: 51–62. doi:10.3897/subtbiol.14.8275
  • Espinasa, L., Furst, S., Allen, T. & Slay, M.E. 2010. A new genus of the subfamily Cubacubaninae (Insecta: Zygentoma: Nicoletiidae) from caves in south-central and southwestern USA. Journal of Cave and Karst Studies 72: 161–168.
  • Fenolio, D.B., Niemiller, M.L., Slay, M.E. & Carter, E.T. 2017. Biological inventories of caves in the Ozarks of northeastern Oklahoma: December 2017 field report. Report to Oklahoma Biological Survey. San Antonio Zoo, San Antonio, Texas, USA. 17 pp.
  • Fenolio, D.B., Slay, M.E. & Niemiller, M.L. 2023b. 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.

This account was last revised 28 August 2026.

How to cite this account

Speleonycta ozarkensis Espinasa et al., 2010. Cave Biology Data Portal, account SP-0932. https://cavebiology.org/species/speleonycta-ozarkensis/ (accessed 18 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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