Monomorium orientale

Heterick & Kitching (2022) collected this species in the canopy of a lowland dipterocarp forest in Brunei.

Distribution based on Regional Taxon Lists
Indo-Australian Region: Philippines. Oriental Region: Bangladesh, India. Palaearctic Region: China.

Nomenclature

 * . Monomorium orientale Mayr, 1879: 670 (w.) INDIA (West Bengal).
 * Type-material: holotype (?) worker.
 * [Note: no indication of number of specimens is given.]
 * Type-locality: India: Calcutta (= Kolkata) (Rothney).
 * Type-depository: NHMW.
 * [Misspelled as quentale by Chapman & Capco, 1951: 164.]
 * Emery, 1908h: 685 (q.); Imai, Baroni Urbani, et al. 1984: 7 (k.).
 * Combination in M. (Mitara): Santschi, 1915a: 58;
 * combination in M. (Lampromyrmex): Wheeler, W.M. 1922a: 876.
 * Status as species: Dalla Torre, 1893: 68; Forel, 1903a: 687; Rothney, 1903: 97; Bingham, 1903: 207; Forel, 1906b: 88; Emery, 1908h: 685; Forel, 1910d: 123; Santschi, 1915a: 59; Emery, 1922e: 184; Wheeler, W.M. 1922a: 876; Menozzi, 1939a: 336; Chapman & Capco, 1951: 164; Brown, 1958h: 36; Baltazar, 1966: 259; Ettershank, 1966: 91; Wilson & Taylor, 1967: 103; Taylor, 1987a: 41; Bolton, 1995b: 265; Tang, J., Li, et al. 1995: 70; Zhang, W. & Zheng, 2002: 220; Framenau & Thomas, 2008: 69; Mohanraj, et al. 2010: 6; Guénard & Dunn, 2012: 46; Bharti, Guénard, et al. 2016: 39.
 * Distribution: China, Christmas I., India (+ Andaman Is), Myanmar.

Description
Worker

Bingham (1903): Reddish yellow, the mandibles, antennae and legs slightly paler; smooth and shining; pilosity sparse, the legs with the hairs oblique. Head rectangular, longer than broad, posteriorly transverse, the lateral angles rounded; mandibles narrow, the masticatory margin oblique, armed with 4 teeth; clypeus short, the medial carinae strongly convergent above; antennae ll-jointed, rather short, the scape not reaching the top of the head; eyes placed below the middle on the sides of the head. Thorax: the pro-mesonotum comparatively large, convex, the meso-metanotal suture deeply impressed, the thorax constricted at the suture; the basal portion of the metanotum above rectangular, rather flat. Pedicel: the 1st node cuneiform, higher than the 2nd, rounded above; the 2nd node subglobose, broader than long, broader than the 1st node; abdomen elongate, oval.

Length: 1.5 mm

References based on Global Ant Biodiversity Informatics

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