Euponera pilosior

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Euponera pilosior
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ponerinae
Tribe: Ponerini
Genus: Euponera
Species: E. pilosior
Binomial name
Euponera pilosior
(Wheeler, W.M., 1928)

A rarely collected species that is known from leaf litter samples.


Total body length of workers about 4.5 - 5 mm. Color dark reddish brown to blackish brown; antennae, mandibles and legs reddish brown. Head almost square in frontal view, slightly longer than wide. Mandibles each with a basal pit. Eyes small, each with about 10 facets. Subpetiolar process trapezoidal, with sub-angulate antero-ventral and posteroventral corners.


Distribution based on Regional Taxon Lists

Palaearctic Region: China, Democratic Peoples Republic of Korea, Japan (type locality), Republic of Korea.

Japan (Honshu, Shikoku, Kyushu, Tsushima I., Nansei Is (Okinawa I. and northwards)); Korean Peninsula.

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • pilosior. Euponera (Trachymesopus) sharpi subsp. pilosior Wheeler, W.M. 1928d: 98 (w.) JAPAN. Ogata, 1987: 114 (q.m.). Combination in Trachymesopus: Brown, 1963: 8; in Pachycondyla: Brown, in Bolton, 1995b: 308; in Euponera: Schmidt & Shattuck, 2014: 87. Raised to species: Brown, 1963: 8. Senior synonym of chosonensis: Brown, 1963: 8.
  • chosonensis. Euponera (Trachymesopus) chosonensis Teranishi, 1940: 8 (w.) KOREA. Junior synonym of pilosior: Brown, 1963: 8.



  • Brown, W. L., Jr. 1963a. Characters and synonymies among the genera of ants. Part III. Some members of the tribe Ponerini (Ponerinae, Formicidae). Breviora 190: 1-10 (page 8, Combination in Trachymesopus)
  • Brown, W. L., Jr. 1963a. Characters and synonymies among the genera of ants. Part III. Some members of the tribe Ponerini (Ponerinae, Formicidae). Breviora 190: 1-10 (page 8, Raised to species, and senior synonym of chosonensis)
  • Brown, W. L., Jr. 1995a. [Untitled. Taxonomic changes in Pachycondyla attributed to Brown.] Pp. 302-311 in: Bolton, B. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp. (page 308, Combination in Pachycondyla)
  • Ogata, K. 1987a. A generic synopsis of the poneroid complex of the family Formicidae in Japan (Hymenoptera). Part 1. Subfamilies Ponerinae and Cerapachyinae. Esakia 25: 97-132 (page 114, queen, male described)
  • Schmidt, C.A. & Shattuck, S.O. 2014. The higher classification of the ant subfamily Ponerinae (Hymenoptera: Formicidae), with a review of ponerine ecology and behavior. Zootaxa. 3817, 1–242 (doi:10.11646/zootaxa.3817.1.1)
  • Terayama, M., Kubota, M., Karube, H. and Matsumoto, K. 2011. Formicidae from the island of Minami-iwo-to, the Volcano Islands, with descriptions of two new species. Bulletin of the Kanagawa prefecture Museum (Natural Sciences). 40:75-80.
  • Wheeler, W. M. 1928d. Ants collected by Professor F. Silvestri in Japan and Korea. Boll. Lab. Zool. Gen. Agrar. R. Sc. Super. Agric. 22: 96-125 (page 98, worker described)