Phlugiolopsis chayuensis, Wang, Hanqiang, Li, Kai & Liu, Xianwei, 2012

Wang, Hanqiang, Li, Kai & Liu, Xianwei, 2012, A taxonomic study on the species of the genus Phlugiolopsis Zeuner (Orthoptera, Tettigoniidae, Meconematinae), Zootaxa 3332, pp. 27-48 : 30-31

Phlugiolopsis chayuensis sp. nov.

( Figs. 7 – 10 )

Material. Holotype 3, China: Tibet, Chayu, Xiachayu, Alt. 1600m, 2010. VIII.24 – 28, leg. Bi Wen-xuan; Paratype 1Ƥ, same data as holotype; 1Ƥ, China: Tibet, Motuo, Alt. 1100m, 2011. VIII. 16, leg. BI Wen-Xuan.

Description. Male. Fore tibiae armed 4,5(1,1), middle tibiae with 4 inner and 5 outer spines, hind tibiae with 20 – 24 teeth on both margins of dorsal surface, and with 3 pairs of apical spurs. Tegmina not exceeding hind margin of pronotum. 10th abdominal tergite with hind margin very slightly incurved in middle. Cerci short, inner surface of basal half hardly excavated, with a triangular branch; apical half angularly curved and bifurcate ( Fig. 7 ). Subgenital plate elongate, hind margin roundly truncate ( Fig. 9 ); styli elongate.

Female. Subgenital plate transverse, hind margin nearly triangular and apex deeply notched forming two narrow lobes ( Fig. 10 ); ventral surface with a paired keels and depressions. Ovipositor shorter than hind femora, ventral valve with apical hook.

Coloration. Body yellowish brown. Dorsal surface of head with 4 darkish longitudinal lines, antennae with few and scattered darkish rings. Dorsal surface of pronotum with a wide pale brown longitudinal band and 2 brown lateral stripes, apex of femora darkish.

Measurements. (length in mm)

Discussion. This new species with apical half of male cerci angularly curved and bifurcate, subgenital plate of female with apex deeply notched into narrowly lobes distinguishable from all other known species of the genus. Etymology. The new species is named after its locality.

Distribution. China (Tibet).

Figures

FIGURE 7 – 10. Phlugiolopsis chayuensis sp. nov. 7. Apex of male abdomen, dorsal view; 8. Apex of male abdomen, lateral view; 9. Apex of male abdomen, ventral view; 10. Subgenital plate of female, ventral view.