Vombisidris harpeza

The single (type) worker was hand-collected, walking on the bark of a large forest tree. Heterick & Kitching (2022) collected this species in the canopy of a lowland dipterocarp forest in Brunei.

Identification
A member of the australis group

Distribution based on Regional Taxon Lists
Indo-Australian Region: Borneo, Brunei Darussalam, Indonesia, Malaysia.

Nomenclature

 * . Vombisidris harpeza Bolton, 1991: 7, fig. 5 (w.) BORNEO (East Malaysia: Sarawak).
 * Type-material: holotype worker.
 * Type-locality: Malaysia: Sarawak, 4th Div., G. Mulu N.P., RGS Expd., Long Pala, 20.ix.1977, on tree trunk, lowland rainforest (B. Bolton).
 * Type-depository: BMNH.
 * Status as species: Bolton, 1995b: 423; Pfeiffer, et al. 2011: 55; Xu & Yu, 2012: 1499 (in key).
 * Distribution: Malaysia (Sarawak).

Worker
Holotype. TL 3.5, HL 0.80, HW 0.75, CI 94, SL 0.52, SI 69, PW 0.56, AL 1.00. Maximum diameter of eye 0.20 (0.27 x HW) and with 9 ommatidia in the longest row. Cephalic dorsum finely reticulate-rugulose everywhere. Subocular groove complete. Sides of head behind eyes approximately parallel. Alitrunk reticulate-rugulose, sides of mesonotum broadly angular in dorsal view. Metanotal groove almost obliterated, visible in dorsal view as a shallow but quite broad impression, only vestigially impressed in profile. Petiole and postpetiole reticulate-rugulose. Petiole spiracle close to articulation with alitrunk. Very short basigastral costulae present. First gastral tergite with vestigial traces of faint superficial reticular patterning. Hairs on all dorsal surfaces short stout and truncated apically. Colour uniformly yellow.

Type Material
Holotype worker, East Malaysia: Sarawak, 4th Division, G. Mulu NP, RGS Expd., Long Pala, 20.ix.1977, lowland rainforest on tree trunk (B. Bolton).

References based on Global Ant Biodiversity Informatics

 * Bolton B. 1991. New myrmicine genera from the Oriental Region (Hymenoptera: Formicidae). Systematic Entomology 16:1-13.
 * Pfeiffer M.; Mezger, D.; Hosoishi, S.; Bakhtiar, E. Y.; Kohout, R. J. 2011. The Formicidae of Borneo (Insecta: Hymenoptera): a preliminary species list. Asian Myrmecology 4:9-58