Parasyscia tibetana

This species is known from a single collection in China.

Identification
Bicolored species, mesosoma, petiole and first gastral segment yellow brown to dark yellow brown, head and the rest of abdominal segments dark brown to black. Head distinct longer than broad, posterior margin concave, posterolateral corners angular. Subpetiolar process subrectangular, anteroventral corner sharply angular and posteroventral corner rounded. Head with deeply puncta, dorsum of mesosoma smooth and shiny, except shallow piligerous punctures.

This species is very similar to Parasyscia rufithorax, but can be separated from the latter by a combination of the following characteristics:
 * posterior margin of head obviously concave and posterolateral corner clearly angular in full-face view
 * head with coarse punctures
 * eyes smaller (ED 0.15–0.16)
 * posterodorsal margin of propodeum with carina

Distribution based on Regional Taxon Lists
Palaearctic Region: China.

Nomenclature

 * . Parasyscia tibetana Chen, Liang & Du, 2022: 323, fig. 30 (w.) CHINA.

Type Material

 * Holotype worker: CHINA: tibet: Motuo County, Motuo Village, 1230 m, 29.3021° N, 95.3400° E, 27.VIII.2016, Zhilin Chen leg., No. G160428 [GXNU].
 * Paratypes: same data as holotype [1 worker, GXNU; 1 worker, SWFU, 1 worker, IZCAS].