Acropyga yushi

Little is known about this Taiwanese Acropyga species.

Identification
Terayama (2009) - Resembling Acropyga yaeyamensis but easily separated from the latter by the 11-segmented antenna, large eye consisting of about 10 facets, moderately convex promesonotal dorsum, and straight dorsal margin and concave posterior margin of propodeum.

Distribution based on Regional Taxon Lists
Oriental Region: Taiwan.

Castes
Only known from workers, although Teramaya (2009) noted: A possible female of this species was collected in Nanshanxi, Nanfen-Cun, Nantou Pref. (collection date: 21. viii. 1987).

Nomenclature

 *  yushi. Acropyga yushi Terayama, 2009: 205, figs. 317, 318 (w.) TAIWAN.

Worker
Holotype worker. Head 1.12 times as long as wide, with concave posterior margin and parallel sides; frons and vertex largely smooth, but very weakly microreticulate. Mandible with 4 acute triangular teeth. Antenna with 11 segments ; scape not reaching posterior margin of head, 3rd to 8th segments each wider than long, 9th and 10th segments each as long as wide; terminal segment 2.3 times as long as wide. Eye consist of about 10 facets; ca. 0.05 rum long. Promesonotum with weakly convex dorsal margin and about 10 erect hairs on the dorsum; metanotum incised dorsally; propodeum with straight dorsal margin and concave posterior margin. Petiole thin and high, dorsum forming acute angle; in frontal view, node with straight dorsal margin and parallel sides.

Measurements (mm). HL 0.70, HW 0.63, SL 0.58, WL 0.75, PL 0.05, PH 0.18, DPW 0.13, TL 2.0.

Color. Head, alitrunk, petiole yellow; gaster brownish.

Type Material
Holotype. Worker, Liukuei, Kaohsiung Pref., 21. viii. 1987, M. Terayama leg. Paratype. 1 w, same data as the holotype. Type depository. NIAES.

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