Metiochodes acutiparamerus, Li, Kai, He, Zhuqing & Liu, Xianwei, 2010

Li, Kai, He, Zhuqing & Liu, Xianwei, 2010, A taxonomic study of the genus Metiochodes Chopard from China (Orthoptera, Gryllidae, Trigonidiinae), Zootaxa 2506, pp. 43-50 : 44-45

1. Metiochodes acutiparamerus sp. nov.

( Figs.1–3 )

Material. Holotype 3, CHINA: Hainan prov. Ledong county, Jianfengzhen, 2009. VII.18, leg. He Zhu-Qing; Paratypes 13, same data as holotype ( HSNU).

Description. Male. Body small. Head wider than fore margin of pronotum, vertex flattened, eyes horizontal lengthened, frontal rostrum as wide as 1st antennal joint, 5th joint of maxillary palpi triangular. Pronotum transverse, narrowing in front, fore margin slightly convex and hind margin undulated, a couple of crescent on disc. Fore tibia with a rather large, oval tympanum on inner side. Hind tibia with three pairs of dorsal spurs and five apical spurs. Tegmen long, exceeding to apex of abdomen, rather feebly pubescent; veins of dorsal field as in Fig. 1 . Wings developed. Male genitalia with sharp apical branches ( Figs. 2–3 ).

Female. unknown.

Coloration. Body yellow. Eyes and 5th joint of maxillary palpi black, tegmen darkened near Sc veins, median and hind femora with a small black spot, all tibiae with a black line.

Measurements. (in mm) Body35.5–6.0; body with wing 39.0; pronotum 30.7–0.8; tegmen 34.5; posterior femur 34.2–4.3.

Distribution. China (Hainan).

Etymology. The new specific name is derived from Latin acutus+paramerus, meaning sharp apical branches.

Discussion. Similar to M. flavescens Chopard, 1931 , but new species with 5th joint of maxillary palpi black, legs with black spots and lines, differs in shape of male genitalia.

Figures

FIGURES 1 – 3. Metiochodes acutiparamerus sp. nov. 1. tegmen of male; 2. genitalia of male, dorsal view; 3. genitalia of male, ventral view.