Temnothorax yanwan

Nothing is known about the biology of .

Identification
Terayama (2009) - Small blackish species. It is easily separated from the Taiwanese congeners by the short antennal scape, the long propodeal teeth, and the short petiolar peduncle and triangular node.

Distribution based on Regional Taxon Lists
Oriental Region: Taiwan.

Castes
Known only from the worker caste.

Nomenclature

 *  yanwan. Temnothorax yanwan Terayama, 2009: 185 (w.) TAIWAN.

Worker
HL 0.61, HW 0.55, HW-II 0.52, SL 0.43, WL 0.70, PL 0.25, PH 0.23, DPW 0.13, PPL 0.22, PPH 0.21, PPW 0.22, TL 2.0.

Head 1.14 times as long as wide excluding eyes, with concave posterior margin in full face view. Antennal scape short, not reaching posterior margin of head. Eye 0.14 mm in maximum diameter. Promesonatal dorsum straight excepting anterior position of pronotum; metanotal groove very weakly incised dorsally; propodeum with straight dorsal margin; propodeal spine long, acute and narrow. Petiole short, peduncle very short, node triangular; subpetiolar prosess very small, ventral margin with obtuse triangle. Postpetiole almost as long as high, with convex dorsal margin.

Color. Body blackish brown; antenna brown except for club blackish; legs brown.

Type Material
Holotype. Worker, Liukuei, Kaohsiung Pref., 23. viii. 1987, S. Kubota leg. NIAES.

Etymology
The specific epithet is the Chinese noun Yanwan, which is the name of a Taiwanese god.