Platythyrea clypeata

The worker was described from a specimen "collected from a ground sample of secondary monsoon evergreen broad-leaf forest" (Xu and Zeng 2000).

Distribution
China (Yunnan Province); Sri Lanka; Southeast Asia.

Distribution based on Regional Taxon Lists
Oriental Region: Laos, Sri Lanka, Thailand, Vietnam. Palaearctic Region: China.

Nomenclature

 *  clypeata. Platythyrea clypeata Forel, 1911d: 378 (q.) "Pays de Mois" (S.E. Asia). Xu & Zeng, 2000: 214 (w.). Senior synonym of thwaitesi: Brown, 1975: 8.
 * thwaitesi. Platythyrea thwaitesi Donisthorpe, 1931b: 496 (q.) SRI LANKA. Junior synonym of clypeata: Brown, 1975: 8.

Worker
Xu and Zeng (2000) - TL 8.7, HL 1.90, HW 1.20, CI 63, SL 1.93, SI 161, PW 1.10, AL 3.00, ED 0.23, ML 0.67, PNL 1.07, PNW 0.53, PH 0.70 (l measured). Head roughly rectangular, longer than broad, weakly narrowed backward. In full-face view occipital margin almost straight, slightly emarginate in the center. Occipital corners blunt. Lateral sides of head weakly convex. Mandible with 8 teeth. Clypeus convex, anterior margin extruded as a blunt angle in the middle. Eyes flat. Antennae long, scape surpassed occipital corner by about 1/4 of its length. In profile view dorsum of ali trunk at the same level, promesonotal suture distinct, metanotal groove absent. Dorsum of propodeum longer than declivity, posterodorsal corner of propodeum rounded. Propodeal spiracle seam-like. In profile view petiolar node longer than high, the node inclined backward, anterodorsal corner rounded, posterodorsal corner formed an acute angle. In dorsal view the node rectangular, about 2 times as long as broad, posterior border complete and rounded. Subpetioar process low and rounded at apex. Constriction between the two basal segments of gaster indistinct. Body surface finely shagreened and sparsely punctured. Dorsum of head and body and appendages without hairs, but with dense depressed pubescence. Body in color brown, petiole and gaster blackish brown, flagella and tarsi yellowish brown.