Leptanilla oceanica

AntWiki: The Ants --- Online
Leptanilla oceanica
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Leptanillinae
Tribe: Leptanillini
Genus: Leptanilla
Species: L. oceanica
Binomial name
Leptanilla oceanica
Baroni Urbani, 1977

Leptanilla oceanica casent0911452 p 1 high.jpg

Leptanilla oceanica casent0911452 d 1 high.jpg

Specimen Labels

Common Name
Language: Japanese

Known only from the type locality (Japanese Ant Image Database).


  • Griebenow (2024), Figure 36. Worker abdominal segments IV-V in Leptanilla taiwanensis (A) and Leptanilla oceanica (B), diagrammatic dorsal view. Fig. 36B redrawn from Baroni Urbani (1977: fig. 19).

Keys including this Species


Distribution based on Regional Taxon Lists

Palaearctic Region: Japan (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.

Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.



  • Qian et al. (2024), Fig. 2: Leptanilla oceanica worker. (A, D) head in full-face view; (B, E) body in lateral view; (C, F) body in dorsal view. (A - C) illustrations redrawn from Baroni Urbani (1977); (D - F) paratype worker images from AntWeb (2023), CASENT 0911452, photos by Will Ericson.


The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • oceanica. Leptanilla oceanica Baroni Urbani, 1977c: 450, figs. 21, 22 (w.) JAPAN.



References based on Global Ant Biodiversity Informatics

  • Baroni Urbani C. 1977. Katalog der Typen von Formicidae (Hymenoptera) der Sammlung des Naturhistorischen Museums Basel (2. Teil). Mitt. Entomol. Ges. Basel (n.s.) 27: 61-102.
  • Baroni Urbani C. 1977. Materiali per una revisione della sottofamiglia Leptanillinae Emery (Hymenoptera: Formicidae). Entomologica Basiliensia 2: 427-488.
  • Shindo, M. 1979. Ants of the Bonin Islands. Konshu to shizen 14(10): 24-28.
  • Terayama M. and E. Hasegawa. 1991. Ant fauna of the Ogasawara islands. Ogasawara–Kenkyu–Nenpo 15: 40–51.
  • Terayama M., S. Kubota, and K. Eguchi. 2014. Encyclopedia of Japanese ants. Asakura Shoten: Tokyo, 278 pp.
  • Terayama M., and S. Kubota. 2002. Ants of Tokyo, Japan. ARI 26: 1-32.