Pteronemobius (Pteronemobius) gifuensis ( Shiraki, 1911 )

He, Zhixin, Zhang, Tao & Ma, Libin, 2021, Crickets of subfamily Nemobiinae Saussure, 1877 (Orthoptera: Grylloidea; Trigonidiidae) from China with descriptions of new genera and new species, Zootaxa 5011 (1), pp. 1-70 : 45-46

Pteronemobius (Pteronemobius) gifuensis ( Shiraki, 1911)

( Figs. 47–48)

Nemobius gifuensis Shiraki, 1911: 89

Pteronemobius gifuensis, Chopard, 1967: 172

Materials examined. China: Male, Sichuan, E’meishan Natural Reserve , alt. 1000m, vii-22-2020, Zhixin He coll. ( SNNU) .

Description. Male. Body size small. Head round, rostrum slightly narrower than antennal scape. Median ocellus largest, round. Postclypeus transverse wide, anteclypeus concave medially. Apical joint of maxillary palpi longer than the third, depressed and widened, with rounded apex; apical joint of labial palpi rod-like, longer than the remainder, depressed and widened. Pronotum transverse wide, bearing bristles; anterior and posterior margins straight, posterior margin wider than the anterior, middle of both lateral edges slightly concave. Tegmen reaching 6th segment of abdomen, bearing an oblique vein and three chord veins, the third one and diagonal vein converge proximally. Dividing vein transverse and separating mirror as front and hind cells. Apical region degraded, lateral region bearing three Sc branches. Fore tibia only possessing external tympanum, elongate oval-like. Hind tibia bearing four dorsal spurs on two sides respectively, of the inside spurs, first one stubby and far away from others, and basal part of the fourth expanded; apical spurs three on each side.

Genitalia. In dorsal view, the middle of epiphallus particularly narrowed, and two lateral sides wide; lateral lobe tapering, external margin arc-shaped and internal margin slightly concave. In ventral view, endoparamere shaped as funnel. Ectoparamere crab pincer-like, the lower half slightly longer than the upper half and epiphallic lateral lobe.

Female. Unknown.

Coloration. Head light brown, occiput ornamented with light stripes. Pronotum light brown, lateral lobe dark brown. Legs light yellow. Tegmen yellowish brown, lateral region brown. Cercus yellowish brown.

Measurements (mm). Male. BL 5.83, HW 1.29, PL 1.16, TL 3.56.