Polyrhachis orsylla ritsemai

AntWiki: The Ants --- Online
Polyrhachis orsylla ritsemai
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Polyrhachis
Subgenus: Myrma
Species: P. orsylla
Subspecies: P. orsylla ritsemai
Trinomial name
Polyrhachis orsylla ritsemai
Mayr, 1883

Identification

A member of the Polyrhachis inermis species group in the subgenus Myrma

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: -5.401289° to -6°.

 
North
Temperate
North
Subtropical
Tropical South
Subtropical
South
Temperate

Distribution based on Regional Taxon Lists

Indo-Australian Region: Indonesia (type locality), Krakatau Islands, Singapore.

Distribution based on AntMaps

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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.
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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.
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Biology

Castes

Nomenclature

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

  • ritsemai. Polyrhachis ritsemai Mayr, 1883: 245 (w.q.) INDONESIA (Sumatra). Combination in P. (Myrma): Viehmeyer, 1916a: 166. Status as species: Dalla Torre, 1893: 268; Emery, 1896d: 380. Subspecies of vindex: Dorow, 1995: 41. Subspecies of orsylla: Emery, 1900d: 712; Viehmeyer, 1916a: 166; Emery, 1925b: 204; Bolton, 1995b: 355.

Description

References

  • 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 41, Subspecies of vindex)
  • Emery, C. 1900d. Formiche raccolte da Elio Modigliani in Sumatra, Engano e Mentawei. [part]. Ann. Mus. Civ. Stor. Nat. 40[=(2(20): 689-720 (page 712, Subspecies of orsylla)
  • Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183: 1-302 (page 204, Subspecies of orsylla)
  • Mayr, G. 1883a. Drei neue ost-indische Formiciden-Arten. Notes Leyden Mus. 5: 245-247 (page 245, worker, queen described)
  • Viehmeyer, H. 1916a [1915]. Ameisen von Singapore. Beobachtet und gesammelt von H. Overbeck. Arch. Naturgesch. (A) 81(8): 108-168 (page 166, Combination in P. (Myrma))