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Subterranean biodiversity of North America and around the globe

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

Comal Springs Dryopid Beetle
Stygoparnus comalensis Barr & Spangler, 1992

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Order Coleoptera
Family Dryopidae
Genus Stygoparnus
Species Stygoparnus comalensis Barr & Spangler, 1992

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Range

Known from one county in Texas in the Edwards Plateau and Balcones karst region.

Continent

North America

Country

United States

States and provinces

Texas

Counties

Texas
Comal

Karst regions

Edwards Plateau and Balcones

Specimens

Type material

Holotype
National Museum of Natural History, Smithsonian Institution
Paratype ×4
Sam Noble Oklahoma Museum of Natural History

Collections holding material

InstitutionLots
Texas A&M University 6
Sam Noble Oklahoma Museum of Natural History 4
National Museum of Natural History, Smithsonian Institution 2
University of Texas, Biodiversity Center, Entomology Collection 2

14 cataloged lots in 4 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 14 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G1G2 Critically Imperiled to Imperiled

G1▲G2▲G3G4G5

Global rank last reviewed 14 May 2009.

Subnational ranks

Texas
S1 Critically 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

Endangered under the U.S. Endangered Species Act, listed in 1997.

Federal: Endangered

Other resources

Catalogue of Life
T96CC
GBIF
1033454
ITIS
193697
iNaturalist
231917
NCBI Taxonomy
3413131

References

  • Külköylüoğlu, O. 2019. Comalcandona gibsoni sp. nov. (Ostracoda, Candonidae) from Comal Spring, Texas, USA. Turkish Journal of Zoology 43: 265–276. doi:10.3906/zoo-1808-44

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

How to cite this account

Stygoparnus comalensis Barr & Spangler, 1992. Cave Biology Data Portal, account SP-0825. https://cavebiology.org/species/stygoparnus-comalensis/ (accessed 18 October 2026).
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Data sources and funding are listed in the Acknowledgments.

Spotted something wrong on this page? Report a correction. Accounts are compiled from many sources and corrections from people who know the group are the most useful email we get.

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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