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

Young's Cave Beetle
Pseudanophthalmus youngi Krekeler, 1958

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Order Coleoptera
Family Carabidae
Genus Pseudanophthalmus
Species Pseudanophthalmus youngi Krekeler, 1958

Synonyms

  • Pseudanophthalmus donaldsoni (subjective synonym, CoL)
  • Pseudanophthalmus youngi donaldsoni (subjective synonym, ITIS)
  • Pseudanophthalmus youngi youngi (subjective synonym, ITIS)

Description

Diagnostic characters

Ecological class
Troglobiont
Realm
Terrestrial
Troglomorphy
Troglomorphic

Distribution

Type locality

Endless Cave, Washington Co. IN

Range

Known from four counties in Indiana in the Interior Low Plateau karst region.

Continent

North America

Country

United States

States and provinces

Indiana

Counties

Indiana
Crawford, Lawrence, Orange, Washington

Karst regions

Interior Low Plateau

Specimens

Type material

Holotype
FMNHINS 0000 040 802 · Field Museum of Natural History
Paratype
FMNHINS 0000 040 803 · Field Museum of Natural History

Collections holding material

InstitutionLots
Field Museum of Natural History 2
Illinois Natural History Survey 1

3 cataloged lots in 2 collections. Compiled from GBIF and not an exhaustive census: many collections are not yet digitised, and holdings are added continually. Search GBIF for specimen records.

Download all 3 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G3G4 Vulnerable to Apparently Secure

G1G2G3▲G4▲G5

Global rank last reviewed 21 August 2002.

Subnational ranks

Indiana
S2 Imperiled

Ranks looked up 23 August 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.

Other resources

Catalogue of Life
4NKK8
GBIF
1035138
ITIS
110159
iNaturalist
229069

References

  • Barr, T.C., Jr. 2004. A classification and checklist of the genus Pseudanophthalmus Jeannel (Coleoptera: Carabidae: Trechinae). Special Publication 11. Virginia Museum of Natural History, Martinsville, Virginia, USA. 52 pp.
  • Bousquet, Y. 2012. Catalogue of Geadephaga (Coleoptera: Adephaga) of America, north of Mexico. ZooKeys 245: 1–1. doi:10.3897/zookeys.245.3416
  • Nicholas, G. 1960. Checklist of macroscopic troglobitic organisms of the United States. The American Midland Naturalist 64: 123–160. doi:10.2307/2422897
  • Poulson, T.L. 1961. Cave adaptation in amblyopsid cavefishes. University of Michigan, Ann Arbor, Michigan, USA. 185 pp. doi:10.7302/9847

This account was last revised 28 August 2026. Conservation ranks were looked up 23 August 2026.

How to cite this account

Pseudanophthalmus youngi Krekeler, 1958. Cave Biology Data Portal, account SP-0803. https://cavebiology.org/species/pseudanophthalmus-youngi/ (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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