Polyrhachis orsylla ritsemai

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

• Source: AntMaps

Distribution based on Regional Taxon Lists

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

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.

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.

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))