Phryganogryllacris truncata Li, Liu & Li, 2014

Li, Miao-Miao, Fang, Yan, Liu, Xian-Wei & Li, Kai, 2014, Taxonomic revision of the genus Phryganogryllacris (Orthoptera: Gryllacrididae) from China, Zoological Systematics 39 (4), pp. 507-519 : 513

3.7 Phryganogryllacris truncata Li, Liu & Li , sp. nov. ( Figs 18–19 )

Female. Body small. Head slightly wider than pronotum; fastigium of vertex broadly rounded, about 2 times as wide as scape; eyes ovoid, prominent; ocelli 3, middle ocellus rounded. Fore margin of pronotum slightly projected, hind margin straight, later lobes lower, with pale sulcus. Tegmina slightly extending beyond the apex of hind femora, R bifurcate near apex; Rs occurred from the middle of R, with 3 branches, M simple, its basal section close to R; CuA occurred behind the middle. Wings slightly extending beyond tegmen. Hind femora on ventral surface with 2 internal spines and 4–5 external spines; hind tibiae on dorsal surface with 3–4 internal spines and 6 external spines. Cerci short, conical; subgenital plate with truncate apex ( Fig. 18 ). Ovipositor more broad and short, with blunt apex ( Fig. 19 ).

Male. Abdominal tergite 9 rounded concex, each side of basal margin with a hook-like process. Cerci shorter, conical; hind margin of subgenital plate deeply split into two lobes, apex of lobes somewhat obliquely truncate; styli rather flattened.

Coloration. Body pale yellowish. Eyes, lateral and hind margin of pronotum, venation of tegmina and dorsal surface of abdomen blackish.

Measurement. Body, ♂ 21.0 mm, ♀ 17.0 mm; pronotum, ♂ 3.8 mm, ♀ 4.0 mm; tegmina, ♂ 19.0 mm, ♀ 18.0 mm; hind femora, ♂ 9.0 mm, ♀ 10.5 mm; ovipositor, ♀ 7.5 mm.

Material examined. Holotype ♀, Guizhou, Leigong Mountain , 30 June 1985, Zu-Yao Liu leg. Paratype 1♂ (Institute of Zoology, Chinese Academy of Sciences), Guizhou, Leigong Mountain (elev. 1 500–1 700 m), 1 July 1988, Da-Yong Xue leg.

Distribution. Guizhou.

Etymology. The species is named refer to the subgenital plate of female.

Remarks. This new species is very similar to Phryganogryllacris parva Li, Liu & Li , sp. nov., but differs from the latter by hind margin of pronotum with darkish black bands, subgenital plate of female truncate and ovipositor shorter.

Figures

Figs 18–24. Phryganogryllacris spp. 18–19. P. truncata Li, Liu & Li, sp. nov. 18. Subgenital plate, ventral view, ♀. 19. End of abdomen, lateral view, ♀. 20–24. P. decempunctata Liu, Bi & Zhang, 2010. 20. Head, frontal view. 21. Head and pronotum, dorsal view. 22. End of abdomen, lateral view, ♂. 23. End of abdomen, ventral view, ♂. 24. Subgenital plate, ventral view, ♀. Scale bars= 1 mm.