Allogrigoriora carinata sp. nov.

(Figs. 1–7)

http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:502863

Materials: Holotype ♂, Le village, Cona County, Xizang province, 2600m, 2010. VIII.17–19, leg. BI Wen-Xuan.

Description: Male. Body medium in size (Fig. 1). Fastigium of vertex conical, apex obtuse and furrowed dorsally. Apical two segments of maxillary palpi about equal in lengths. Pronotum with prozona longer than metazona, anterior margin straight, posterior margin roundly acute, lateral angle round, humeral sinus faint (Fig. 4). Tegmina developed, hind wings longer than tegmina by 1.0 mm. Each femur unarmed. Inner and outer ventral spurs in type 4, 5 (1, 1) of fore tibiae, dorsal margin of hind tibiae bearing 21–22 spines, and bearing 3 pairs of apical spurs. Posterior edge of 10th abdominal tergite shallowly concave (Fig. 2, 5), epiproct triangular. Cerci moderately elongate, base with an acute inner lobe, apex narrow and somewhat incurved (Figs. 2, 3, 5). Subgenital plate distinctly constricted in the middle, with a clear carina longitudinally, apex without styli (Fig. 3, 7). Genitalia is completely membranous.

Female unknown.

Coloration: Generally unicolor, brownish yellow. Compound eyes darkish brown, antenna with sparse darkish rings (Fig. 1).

Measurements (mm): Body ♂ 11.0; pronotum ♂ 4.5; tegmina ♂ 11.0; hind femora ♂ 9.0.

Etymology: The specific epithet comes from Latin ‘carina’, refering to the longitudinal keel of male subgenital plate.

Distribution: China (Xizang).