Polyrhachis abdominalis

Polyrhachis abdominalis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Formicinae
Tribe:	Camponotini
Genus:	Polyrhachis
Subgenus:	Myrmhopla
Species:	P. abdominalis
Binomial name
	Polyrhachis abdominalis; Smith, F., 1858 Specimen Label
Synonyms
	Polyrhachis achilles confinis Forel, 1912; Polyrhachis achilles discrepans Forel, 1912; Polyrhachis phyllophilus Smith, F., 1860;

Specimens from Sulawesi have been collected from fogging samples, with some of these noted from cacao agroforest.

Identification

A member of the Polyrhachis hector species group.

Kohout (2008) - Specimens of Polyrhachis hector feature a set of distinct, spur-like spines along the inner edge of the hind tibia, that are lacking in P. abdominalis. The latter species is also distinctly more slender.

Keys including this Species

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 10.8° to -6.87116°.


North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

Source: AntMaps

Distribution based on Regional Taxon Lists

Indo-Australian Region: Borneo, Indonesia, Krakatau Islands, Malaysia, Philippines, Singapore.
Oriental Region: India, Laos, Myanmar (type locality), Thailand.

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.

Biology

Association with Other Organisms

Explore: Show all Associate data or Search these data. See also a list of all data tables or learn how data is managed.

This species is a host for the fungus Ophiocordyceps irangiensis (a parasitoid) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission outside nest).
This species is a host for the fungus Ophiocordyceps myrmecophila (a parasitoid) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission outside nest).

Castes

Nomenclature

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

abdominalis. Polyrhachis abdominalis Smith, F. 1858b: 63 (w.) MYANMAR. Combination in P. (Myrmhopla): Wheeler, W.M. 1919e: 130. Junior synonym of hector: Bolton, 1974b: 174. Revived from synonymy and senior synonym of phyllophilus, confinis, discrepans: Dorow, 1995: 54.
phyllophilus. Polyrhachis phyllophilus Smith, F. 1860a: 69 (w.) INDONESIA (Sulawesi). Mayr, 1872: 139 (q.); Karavaiev, 1927e: 28 (m.). Combination in P. (Myrmhopla): Emery, 1925b: 192. Junior synonym of abdominalis: Dalla Torre, 1893: 257; Forel, 1893c: 24. Revived from synonymy as subspecies of abdominalis: Emery, 1900d: 714; Forel, 1912n: 71; Karavaiev, 1927e: 28. Material of the nomen nudum monacha referred here by Karavaiev, 1927e: 29. Junior synonym of hector: Bolton, 1974b: 174; of abdominalis: Dorow, 1995: 54.
confinis. Polyrhachis achilles var. confinis Forel, 1912n: 76 (w.q.) INDONESIA (Sumatra). Combination in P. (Myrmhopla): Emery, 1925b: 192. Junior synonym of hector: Bolton, 1974b: 174; of abdominalis: Dorow, 1995: 54.
discrepans. Polyrhachis achilles subsp. discrepans Forel, 1912n: 76 (w.) INDONESIA (Sumatra). Viehmeyer, 1922: 220 (q.). Combination in P. (Myrmhopla): Emery, 1925b: 192. Junior synonym of hector: Bolton, 1974b: 174; of abdominalis: Dorow, 1995: 54.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.

Description

Type Material

Kohout (2008) - Holotype worker. BURMA, The Natural History Museum (examined).

References

Baltazar, C.R. 1966. A catalogue of Philippine Hymenoptera (with a bibliography, 1758-1963). Pacific Insects Monographs 8: 1-488. (page 280, listed)
Bolton, B. 1974b [1973]. New synonymy and a new name in the ant genus Polyrhachis F. Smith (Hym., Formicidae). Entomol. Mon. Mag. 109: 172-180 (page 174, Junior synonym of hector)
Cantone S. 2018. Winged Ants, The queen. Dichotomous key to genera of winged female ants in the World. The Wings of Ants: morphological and systematic relationships (self-published).
Dorow, W. H. O. 1995. Revision of the ant genus Polyrhachis Smith, 1857 (Hymenoptera: Formicidae: Formicinae) on subgenus level with keys, checklist of species and bibliography. Cour. Forschungsinst. Senckenb. 185: 1-113. (page 54, Revived from synonymy and senior synonym of phyllophilus, confinis and discrepans)
Khachonpisitsak, S., Yamane, S., Sriwichai, P., Jaitrong, W. 2020. An updated checklist of the ants of Thailand (Hymenoptera, Formicidae). ZooKeys 998, 1–182 (doi:10.3897/zookeys.998.54902).
Kohout, R.J. 2008a. A review of the Polyrhachis ants of Sulawesi with keys and descriptions of new species (Hymenoptera: Formicidae: Formicinae). Memoirs of the Queensland Museum. 52:255-317.
Kreider, J.J., Chen, T.W., Hartke, T.R., Buchori, D., Hidayat, P., Nazarreta, R., Scheu, S., Drescher, J. 2021. Rainforest conversion to monocultures favors generalist ants with large colonies. Ecosphere 12 (doi:10.1002/ecs2.3717).
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp. (page 63, worker described)
Wheeler, W. M. 1919f. The ants of Borneo. Bulletin of the Museum of Comparative Zoology 63: 43-147 (page 130, Combination in P. (Myrmhopla))
Yamane, S., Tanaka, H.O., Hasimoto, Y., Ohashi, M., Meleng, P., Itioka, T. 2021. A list of ants from Lambir Hills National Park and its vicinity, with their biological information: Part II. Subfamilies Leptanillinae, Proceratiinae, Amblyoponinae, Ponerinae, Dorylinae, Dolichoderinae, Ectatomminae and Formicinae. Contributions from the Biological Laboratory, Kyoto University 31, 87–157.

References based on Global Ant Biodiversity Informatics

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Robson Simon Database Polyrhachis -05 Sept 2014
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