Dianemobius furumagiensis ( Ohmachi & Furukawa, 1929 )

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 : 15-17

Dianemobius furumagiensis ( Ohmachi & Furukawa, 1929)

( Figs. 10–12 )

Nemobius furumagiensis Ohmachi & Furukawa, 1929: 374

Pteronemobius furumagiensis, Chopard, 1967: 171

Dianemobius furumagiensis, Gorochov, 1981: 21

Materials examined. China: 4 males & 2 females, Hainan, Wuzhishan National Natural Reserve , viii-17-2019, Zhixin He & Tao Zhang coll. ( SNNU) .

Description. Male. Body size small. Head small, vertex somewhat inclined and bearing setae. Rostrum protruded and slightly wider than antennal scape. Median ocellus largest of the three, lateral ocelli oval-like. Eyes rather large. Postclypeus widened, anteclypeus concave medially. Labral apex medially and broadly concave. 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 broad, trapezoidal; 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. Apical region degraded, lateral region bearing four Sc branches. Fore tibia only possessing external tympanum, elongate oval-like. Hind tibia bearing three dorsal spurs and three apical spurs on both sides respectively.

Genitalia. Long and narrow, the middle of ectoparamere bearing two small protuberances, median lobe longer than ectoparamere.

Female. Similar to male but veins different. Ovipositor long and straight.

Coloration. Head dark, occiput ornamented with six light stripes; three basal joints of maxillary palpi colored dark brown and apical two white. Pronotum dark with light spots, lateral edges completely dark. Tegmen brown (tegmen proximally colored white in female).

Measurements (mm). Male (n=4). BL 6.99±0.96, HW 1.94±0.51, PL 1.23±0.32, TL 4.49±0.84, HFL 4.77±1.04. Female (n=2). BL 7.24±1.21, HW 2.06±0.40, PL 1.47±0.34, TL 3.36±0.76, HFL 5.29±0.82, OL 3.66±0.62.

Figures

FIGURE 10. D. furumagiensis. Habitus (alive) in field. A. Male. B. Female.

FIGURE 11. Habitus photographs of D. furumagiensis. A. Male. B. Female. Scale bar: 2 mm.

FIGURE 12. Male genitalia of D. furumagiensis. A. Dorsal view. B. Lateral view. C. Ventral view.