Dianemobius fascipes fascipes ( Walker, 1869 )

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 : 12-13

Dianemobius fascipes fascipes ( Walker, 1869)

( Figs. 7–9 )

Eneoptera fascipes Walker, 1869: 67

Cyrtoxipha fascipes, Kirby, 1906: 81

Nemobius fascipes, Wu, 1929: 25

Pteronemobius fascipes, Chopard, 1932: 1

Dianemobius fascipes, Vickery, 1973: 419

Dianemobius fascipes fascipes, Kim & Pham, 2014: 62

Materials examined. China: 10 males & 6 females, Shaanxi, Foping, Daheba , vii-20-2019, Libin Ma & Zhixin He coll. ( SNNU) .

Description. Male. Body size small. Head small, slightly wider than the anterior of pronotum. Rostrum slightly wider than antennal scape. Ocelli round, median ocellus largest of the three. Eyes rather large. Postclypeus transverse wide, middle part widened and lateral part narrowed; anteclypeus slightly narrowed. Apical joint of maxillary palpi distinctly longer than the third, depressed and widened, with rounded apex; apical joint of labial palpi rodlike, 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, and lateral edges slightly concave medially. Tegmen reaching abdominal apex, apical region degraded. Tympana absent. Hind tibia bearing three dorsal spurs and three apical spurs on both sides respectively.

Genitalia. Middle part of epiphallus slightly narrower, lateral part somewhat wider. Ectoparamere not exceeding median lobe of epiphallus.

Female. Similar to male. Ovipositor straight and long, somewhat shorter than cercus; acute apically, armed with large dorsal valves and small ventral valves.

Coloration. Body grey and ornamented with brown patterns. Ovipositor colored reddish brown with lateral median line dark brown.

Measurements (mm). Male (n=10). BL5.26±1.31, HW1.96±0.54, PL1.18±0.36, TL 3.87±0.69, HFL 4.21±1.20. Female (n=6). BL 6.67±1.21, HW 1.73±0.41, PL 1.36±0.51, TL 2.98±1.13, HFL 4.36±1.39, OL 2.69±0.55.

Figures

FIGURE 7. D. fascipes fascipes. Habitus (alive) in field. A. Male. B. Female.

FIGURE 8. Habitus photographs of D. fascipes fascipes. A. Male. B. Female. Scale bar: 2 mm.

FIGURE 9. Male genitalia of D. fascipes fascipes. A. Dorsal view. B. Lateral view. C. Ventral view.