Parapteronemobius dibrachiatus ( Ma & Zhang, 2015 )

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 : 31-33

publication ID	https://doi.org/10.11646/zootaxa.5011.1.1
publication LSID	lsid:zoobank.org:pub:3D1B9B5C-B0A8-4450-B135-CB0CD67C0880
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treatment provided by	Plazi (2021-08-04 05:48:09, last updated 2023-11-03 17:49:59)
scientific name	Parapteronemobius dibrachiatus ( Ma & Zhang, 2015 )
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Treatment

Parapteronemobius dibrachiatus ( Ma & Zhang, 2015) View in CoL

( Figs. 30–32 View FIGURE 30 View FIGURE 31 View FIGURE 32 )

Caconemobius dibrachiatus Ma & Zhang, 2015: 587 View in CoL View Cited Treatment

Parapteronemobius dibrachiatus, Gorochov et al., 2018: 301 View in CoL

Materials examined. China: 4 males & 4 females, Guangdong, Shenzhen, Yangmeikeng , ix-29-2014, Tao Zhang coll. ( SNNU) .

Description. Male. Body size large. Head small, slightly wider than the anterior margin of pronotum. Rostrum slightly wider than antennal scape. Ocelli round, median ocellus slightly larger than lateral ones. Eyes rather large. Postclypeus transverse wide, anteclypeus slightly narrowed. Apical joint of maxillary palpi much 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 posterior margin somewhat convex, posterior margin wider than the anterior, middle of both lateral edges slightly concave. Tegmen absent. Tympanum absent. Hind tibia bearing two apical spurs inside and three outside; and hind tibia bearing three dorsal spurs outside and one inside.

Genitalia. Sclerotized portions of epiphallus armed with distal margin trapezoidal and the proximal bisinuate. Distal part of ectoparamere trapezoid.

Female. Similar to male. Ovipositor straight and long, somewhat longer than abdomen. Apex acute with large dorsal valves and small ventral valves.

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

Measurements (mm). Male (n=4). BL 7.60±0.62, HW 2.39±0.16, PL 1.73±0.12, HFL 5.85±0.64. Female (n=4). BL 7.51±0.49, HW 2.26±0.19, PL 1.84±0.22, HFL 5.91±0.86, OL 5.65±0.27.

Genus Polionemobius Gorochov, 1983

Dianemobius (Polionemobius) Gorochov, 1983: 44 View in CoL

Polionemobius, Gorochov, 1986: 18 View in CoL

Type species: Polionemobius taprobanensis ( Walker, 1869) View in CoL

Key to most Polionemobius species in China (based on adult males)

1. Antenna not concolorous, proximally yellowish white and distally dark.......................................................................................................... Polionemobius flavoantennalis ( Shiraki, 1911) View in CoL

- Antenna concolorous.................................................................................. 2

2. Tegmen brown with dark spots........................................ Polionemobius taprobanensis ( Walker, 1869) View in CoL

- Tegmen dark brown................................................................................... 3

3. Epiphallus widened.................................................. Polionemobius yunnanus Liu & Shi, 2014 View in CoL

- Epiphallus very narrowed...................................................... Polionemobius chayuensis View in CoL sp. n.

References

Gorochov, A. V. (1983) Grylloidea (Orthoptera) of the Soviet Far East. Systematics and ecological-faunistic review of the various orders of Insecta of the Far East, 1983, 1 - 154.

Gorochov, A. V. (1986) On morphological criteria of genera in crickets (Orthoptera, Grylloidea). Trudy Russkago Entomologicheskago Obshchestva [Horae Societatis Entomologicae Rossicae], 68, 17 - 19.

Gorochov, A. V., Tan, M. K. & Lee, C. Y. (2018) Taxonomic notes on the cricket subfamilies Nemobiinae and Trigonidiinae (Orthoptera: Gryllidae) from islands and coasts of the Pacific and Indian Ocean. Zoosystematica Rossica, 27 (2), 290 - 321. https: // doi. org / 10.31610 / zsr / 2018.27.2.290

Liu, H. Y. & Shi, F. M. (2014) Two new species of the genus Pteronemobius Jacobson (Orthoptera: Gryllidae) from China. Far Eastern Entomologist, 284, 19 - 23.

Ma, L. B. & Zhang, T. (2015) First record of cricket genus Caconemobius (Grylloidea: Nemobiinae) from China with description of a new species. Zootaxa, 3914 (5), 585 - 590. https: // doi. org / 10.11646 / zootaxa. 3914.5.7

Shiraki, T. (1911) Monographie der Grylliden Formosa, mit der Uebersicht der Japanischen Arten. General Government von Formosa, Taihoku, 129 pp.

Walker, F. (1869) Catalogue of the Specimens of Dermaptera Saltatoria in the Collection of the British Museum, 1, 1 - 224.