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

Ptomaphagus cocytus Peck, 1973

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Order Coleoptera
Family Leiodidae
Genus Ptomaphagus
Species Ptomaphagus cocytus Peck, 1973

Description

Diagnostic characters

Ecological class
Troglobiont
Realm
Terrestrial
Troglomorphy
Troglomorphic

Distribution

Range

Known from one county in Arizona in the Other karst region.

Continent

North America

Country

United States

States and provinces

Arizona

Counties

Arizona
Coconino

Karst regions

Other

Specimens

Type material

Holotype
31893 · Museum of Comparative Zoology, Harvard
Paratype
547939 · Museum of Comparative Zoology, Harvard

Collections holding material

InstitutionLots
Museum of Comparative Zoology, Harvard 2

2 cataloged lots in 1 collection. 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 2 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 2002.

Subnational ranks

Arizona
SNR Unranked

State and federal status

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

Other resources

Catalogue of Life
4Q9GP
GBIF
9529717
ITIS
933748
iNaturalist
229414

References

  • Peck, S.B. 1973a. A systematic revision and the evolutionary biology of the Ptomaphagus (Adelops) beetles of North America (Coleoptera; Leiodidae; Catopinae), with emphasis on cave-inhabiting species. Bulletin of the Museum of Comparative Zoology 145: 29–162. https://www.biodiversitylibrary.org/page/4336298. details
  • Peck, S.B. 1978. New montane Ptomaphagus beetles from New Mexico and zoogeography of southwestern caves (Coleoptera; Leiodidae; Catopinae). The Southwestern Naturalist 23: 227–238. doi:10.2307/3669771
  • Peck, S.B. & Newton, A.F. 2017. An annotated catalog of the Leiodidae (Coleoptera) of the Nearctis Region (continental North America north of Mexico). The Coleopterists Bulletin 71: 211–258. doi:10.1649/0010-065X-71.2.211

This account was last revised 28 August 2026.

How to cite this account

Ptomaphagus cocytus Peck, 1973. Cave Biology Data Portal, account SP-0837. https://cavebiology.org/species/ptomaphagus-cocytus/ (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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