Tapiena bilobata Liu and Kang

Liu, Chun-Xiang & Kang, Le, 2010, The genus Tapiena Bolívar (Orthoptera: Tettigoniidae: Phaneropterinae; Holochlorini), with description of three new species from China, Zootaxa 2328, pp. 49-64 : 62-63

Tapiena bilobata Liu and Kang , sp. n.

( Fig. 2 g, 6c, n–q)

Type material. Holotype: male, China: Yunnan Prov.: Ruili, 1981. X.17, Coll. Xiong Jiang ( IKCAS).

Description. Male (holotype). Tegmen with Rs branched before the middle of the tegmen, and R stem with more two lateral branches. Stridulatory file on underside of left tegmen with about 148 densely arranged fine teeth ( Fig. 6c ). Male tenth abdominal tergum dorsally with a median semicircular depressed area at basal eighth part, a rather deep wide median longitudinal furrow thoroughly separated tenth abdominal tergum into two symmetrical lobes, and also with slightly depressed areas at both sides of furrow, apical part dorsally spiniferous ( Fig. 6 o); in lateral view, apical half part dorso-ventrally enlarged into a large spinous process directing downwards, and with apical margin obliquely truncated ( Fig. 6 n). Cerci robust, short, with apex incurve into a triangular spine ( Fig. 6 p). Subgenital plate narrow, long, apical margin deeply triangularly notched with lateral lobes gradually narrowed; styli long, cylindrical ( Fig. 6 q).

Female. Unknown.

Coloration. Green. Compound eyes dark brown. Lateral surface of anterior femur with many rows of small black stripes. Cerci with apex brown.

Measurements of males (mm). Length of body 23.5; length of pronotum 4.5; length of tegmen 32.0; largest width of tegmen 6.8; length of hind wing 36.0; length of posterior femur 15.0. Discussion. Size, coloration, occiput, pronotum, tegmen and leg spinulation also resembles T. spinicauda , T. stridulous and T. qudridens . It distinctly differs by the male stridulatory file and male tenth abdominal tergum.

Distribution. China (Yunnan Prov.).

Figures

FIGURE 2. photograph of the genus Tapiena Bolívar. a, b, T. yunnana; c, d, T. hainanensis; e, f, T. stridulous sp. n.; g, T. bilobata Liu & Kang, sp. n.. a, c, e, g, photograph of male left stridulatory area; b, d, f, photograph of male right stridulatory area.

FIGURE 6. a, d – i, T. stridulous sp. n.; b, j – m, T. hainanensis; c, n – q, T. bilobata Liu & Kang, sp. n.. a – c, male stridulatory file on underside of left tegmen; d, female abdominal apex in lateral view; e, female subgenital plate in ventral view; f, j, n, male abdominal apex in lateral view; g, k, o, male tenth abdominal tergum in dorsal view; h, l, p, male cerci in dorsal view; i, m, q, male subgenital plate in ventral view.