Polyrhachis mucronata japensis

AntWiki - Where Ant Biologists Share Their Knowledge
Jump to: navigation, search
Polyrhachis mucronata japensis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Polyrhachis
Subgenus: Myrmhopla
Species: P. mucronata
Subspecies: P. mucronata japensis
Trinomial name
Polyrhachis mucronata japensis
Donisthorpe, 1941

Identification

Distribution

Distribution based on Regional Taxon Lists

Indo-Australian Region: New Guinea (type locality).

Distribution based on specimens

Loading map...

The above specimen data are provided by AntWeb. Please see Polyrhachis mucronata_japensis for further details


Biology

Castes

Nomenclature

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

  • japensis. Polyrhachis (Myrmhopla) mucronata subsp. japensis Donisthorpe, 1941h: 63 (w.m.) NEW GUINEA. Donisthorpe, 1943d: 467 (q.).

Description

Worker

Differs from the typical form in having shorter pronotal spines, slightly longer epinotal and petiole spines, the latter more divergent, and the small teeth between the petiole spines shorter and more produced; otherwise like the type. Long. 5-6 mm.

Male

Blackish-brown, antennae, legs and articulation of the wings lighter, yellowish brown; mandibles pale yellow; whole surface finely coriaceous. Head small, longer than broad without eyes, posterior border and temples from eyes rounded; cheeks parallel; mandible feeble, unarmed, crossing when closed; clypeus large, transverse, anterior margin rounded, sinuate before sides; eyes very large, situated on each side of the head a little behind centre; antennae situated about the centre of upper surface of head; ocelli moderate, situated on top of head at base. Thorax narrow, longer than broad, broader anteriorly than posteriorly; pronotum very transverse and narrow; mesonotum large, flat on disc, mayrian furrows wanting, parap.sidal furrows distinct, continued from suture between prescutellum and mesonotum; scutellum very convex and prominent; epinotum longer than broad, gradually rounded from discoidal surface to declivity; node of petiole small, upper surface bluntly rounded, with two small projecting tubercles on the sides before base; gaster moderate, long oval, genitalia small. Wings pale yellowish-brown, pterostigma and veins pale brown. Long. 6 mm.

Type Material

The Natural History Museum

Type Locality Information

Described from a male and 12 workers, JAPEN ISLAND: Mt. Baduri, 1000 ft., viii.1938 in a " papier-mache" nest on underside of palm leaf, col. Miss L. E .. Cheesman.

References

  • Donisthorpe, H. 1941h. The ants of Japen Island, Dutch New Guinea (Hym., Formicidae). Trans. R. Entomol. Soc. Lond. 91: 51-64 (page 63, worker, male described)
  • Donisthorpe, H. 1943e. The ants (Hym., Formicidae) of Waigeu Island, North Dutch New Guinea. Ann. Mag. Nat. Hist. 11(10): 433-475 (page 467, queen described)