Polyrhachis trophima

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Polyrhachis trophima
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Polyrhachis
Subgenus: Hedomyrma
Species: P. trophima
Binomial name
Polyrhachis trophima
Smith, F., 1863

Polyrhachis trophima casent0901815 p 1 high.jpg

Polyrhachis trophima casent0901815 d 1 high.jpg

Specimen Labels

Identification

Distribution

Distribution based on Regional Taxon Lists

Indo-Australian Region: Indonesia (type locality).

Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Castes

Nomenclature

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

  • trophima. Polyrhachis trophimus Smith, F. 1863: 14 (w.) INDONESIA (Seram I.). Combination in P. (Hagiomyrma): Emery, 1925b: 185; in P. (Chariomyrma): Donisthorpe, 1932c: 469; Dorow, 1995: 21; in P. (Hedomyrma): Kohout, 2013: 491.

Type Material

The following notes on F. Smith type specimens have been provided by Barry Bolton (details):

Polyrhachis trophimus

Holotype worker in Oxford University Museum of Natural History. Labelled “Cer. E” (= Seram I.) and with a Donisthorpe type-label.

Description

Kohout (2013): Polyrhachis trophima was placed by Dalla Torre (1893: 271), Emery (1925: 185) and Chapman & Capco (1951: 267) in the subgenus Hagiomyrma and by Donisthorpe (1932: 469), Bolton (1995: 359) and Dorow (1995: 21) in the subgenus Chariomyrma. I have examined the unique holotype of P. trophima and found it remarkably similar to Polyrhachis calliope Emery, a species described in 1900 from New Guinea. It features pronotal humeri armed with short, but distinct spines and a petiole with a flat dorsum, a combination of characters identifying members of the subgenus Hedomyrma Forel.

References

  • Donisthorpe, H. 1932c. On the identity of Smith's types of Formicidae (Hymenoptera) collected by Alfred Russell Wallace in the Malay Archipelago, with descriptions of two new species. Ann. Mag. Nat. Hist. 10(10): 441-476 (page 469, Combination in P. (Chariomyrma))
  • 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 21, Combination in P. (Chariomyrma))
  • Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183: 1-302 (page 185, Combination in P. (Hagiomyrma))
  • Kohout, R.J. 2013. Revision of Polyrhachis (Hagiomyrma) Wheeler, 1911 (Insecta: Hymenoptera: Formicidae: Formicinae). Memoirs of the Queensland Museum, Nature 56, 487-577.
  • Smith, F. 1863a. Catalogue of hymenopterous insects collected by Mr. A. R. Wallace in the islands of Mysol, Ceram, Waigiou, Bouru and Timor. J. Proc. Linn. Soc. Lond. Zool. 7: 6-48 (page 14, worker described)