Apotrechus trilobus Bian & Shi, 2014

Li, Miao-Miao, Liu, Xian-Wei & Li, Kai, 2015, Review of the genus Apotrechus in China (Orthoptera, Gryllacrididae, Gryllacridinae), ZooKeys 482, pp. 143-155 : 145

Taxon classification Animalia Orthoptera Gryllacrididae

1. Apotrechus trilobus Bian & Shi, 2014 Figs 1-6

Apotrechus trilobus : Bian et al. 2014: 384-386.

Description.

Male. Body medium sized. Wings absent. Fastigium of vertex rounded, about 2 times as wide as scape; eyes reniform, prominent; ocelli inconspicuous. Pronotum almost hexagon, paranota lower. Fore coxa with a spine, fore tibia on ventral surface with 5 pairs of spurs (included 1 pair of apical spurs); mid tibia without inner upper apical spur but with 4 pairs of spurs (included 1 pair of apical spurs) on ventral surface. Ventral surface of hind femur with 10-11 internal spines, but without external spine, hind tibia unarmed or with 1-2 minute spines on dorsal surface, bearing 3 pairs of apical spurs. 9th abdominal tergite divided into two lobes, which bearing spine-like apex pointing downwards, epiproct medially furrowed (Fig. 5). Cerci shorter, conical; subgenital plate broad, hind margin split into two lobes, apex of lobes spine-like, curved inside (Fig. 6).

Female. Unknown.

Coloration.

Body infuscate. Fastigium of vertex with darkish black longitudinal band; frons with 3 blackish longitudinal stripes, middle stripe broad, not connected with the longitudinal band of fastigium of vertex (Figs 1-2); inner margin of antenna foveolae and first segment with blackish spots. Pronotum with a darkish black longitudinal band in the middle and all margins black. Apex of fore and middle femora black, hind femur with a blackish longitudinal stripe on external surface, all tibiae darkish black on the base and apex.

Measurements.

(length in mm)

Material.

1♂, Yunnan, Pingbian, Yuping, 2000m, 20.V.2009, Xian-Wei Liu et al. leg.

Distribution.

China: Yunnan.