Apotrechus truncatolobus Li & Liu

Li, Miao-Miao, Liu, Xian-Wei & Li, Kai, 2015, Review of the genus Apotrechus in China (Orthoptera, Gryllacrididae, Gryllacridinae), ZooKeys 482, pp. 143-155 : 148-149

Taxon classification Animalia Orthoptera Gryllacrididae

5. Apotrechus truncatolobus Li & Liu sp. n. Figs 17-21

Description.

Male. Body medium sized. Wings absent. Fastigium of vertex rounded, about 2 times as wide as scape; eyes ovoid, prominent, ocelli inconspicuous. Cephalic margin of pronotum slightly projected, posterior margin slightly truncated, lateral lobes 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 on ventral surface with 4 pairs of spurs (included 1 pair of apical spurs); hind tibia without spine or on dorsal surface with 1-2 minute spines, with 3 pairs of apical spurs. Hind femur with 10-12 internal spines and 7-8 external spines on ventral surface. Lobes of 9th abdominal tergite with roundly truncated apex (Fig. 20); cerci shorter, conical; subgenital plate broad, hind margin split into two lobes and with notch in the middle (Figs 18-19).

Female. Cerci short, conical; subgenital plate strongly transverse, with straight hind margin and rounded posterio-lateral corner (Fig. 21). Ovipositor shorter than hind tibia, upcurved and with blunt apex.

Coloration.

Body yellowish brown, occiput slightly with darkish black. Frons without blackish longitudinal stripes; dorsal margin of abdominal with a darkish black longitudinal band in the middle (Fig. 17). Apex of fore femur, base and apex of tibiae slightly darkish black.

Measurements.

(length in mm)

Material.

Holotype ♂, paratype 1♂1♀, Guangxi, Wuming, Daming Mountain, 1200m, 28-31.VII.2012, Wen-Xuan Bi leg.

Distribution.

China: Guangxi.

Diagnosis.

This new species almost the same as its congeners, but the frons without blackish longitudinal stripe; lobes of male 9th abdominal tergite with roundly truncate apex.

Etymology.

The specific epithet referrers roundly truncate lobes of male 9th abdominal tergite.