Impetunemobius brunneis He & Ma, 2021

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 : 28-31

Impetunemobius brunneis He & Ma , sp. n.

( Figs. 27–29 )

Type material. Holotype. China: Male, Guangxi, Napo, Defu , v-7-2019, Libin Ma & Tao Zhang coll. Paratype. 1 female, same information as holotype; 7 males & 2 females, Guizhou, Maolan National Natural Reserve , iv-29- 2021, Zhong Peng coll. ( SNNU) .

Description. Male. Body size medium for the subfamily. Head small, slightly wider than the anterior of pronotum. Rostrum slightly wider than antennal scape. Ocelli oval-like, median ocellus smallest. Eyes rather large. Postclypeus transverse wide, anteclypeus concave medially. Apical joint of maxillary palpi slightly longer than the third, depressed and widened, with rounded apex; apical joint of labial palpi rod-like, longer than remainder sections, depressed and widened. Pronotum transverse wide, trapezoid; anterior margin straight and the posterior somewhat convex, posterior margin wider than the anterior, middle of both lateral edges slightly concave. Tegmen bearing an oblique vein and three chord veins. Dividing vein longitudinal and separating mirror as left and right cells. Apical region degraded, lateral region bearing four Sc branches. Hind wings extremely long, about two times longer than tegmen. Fore tibia only possessing external tympanum, elongate oval-like. Hind tibia bearing four dorsal spurs outside and three inside, the third of the inside expanded proximally; apical spurs two inside and three outside.

Genitalia. In dorsal view, epiphallus upper and lower margin concave medially. Lateral lobe rather long, apex blunt and slightly curved inward. Epiphallic median lobe acicular, transversely and inward pointed. Guiding rod triangular.

Female. Similar to male but forewings short, primary longitudinal veins almost parallel and bearing transverse veins in them. Ovipositor blade-like.

Coloration. Body dark brown. Harp region of tegmen light brown.

Measurements (mm). Male (n=8). BL 5.62±1.13, HW 1.74±0.35, PL 1.37±0.27, TL 3.35±0.52, HFL 3.88±0.48. Female (n=3). BL 5.21±0.62, HW 1.92±0.21, PL 1.54±0.20, TL 2.30±0.32, HFL 3.96±0.51, OL 2.65±0.33.

Etymology. The name refers to its cerci are colored brown.

Genus Parapteronemobius Furukawa, 1970

Parapteronemobius Furukawa, 1970: 59

Type species: Parapteronemobius sazanami sazanami Furukawa, 1970

Figures

FIGURE 27. I. brunneis sp. n. Habitus (alive) in field. A. Male. B. Female.

FIGURE 28. Habitus photographs of I. brunneis sp. n. A. Male. B. Female. Scale bar: 2 mm.

FIGURE 29. Male genitalia of I. brunneis sp. n. A. Dorsal view. B. Lateral view. C. Ventral view.