Tamdaotettix (Tamdaotettix) dilutus Gorochov, 1998

Zhu, Qidi, Bian, Xun & Shi, Fuming, 2018, Remarks on the genus Tamdaotettix Gorochov, 1998 (Orthoptera: Rhaphidophoridae: Aemodogryllinae) from China, Zootaxa 4378 (2), pp. 294-300 : 296-299

Tamdaotettix (Tamdaotettix) dilutus Gorochov, 1998 , new recorded species from China

Figs. 3–4 , Map 1

http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:470595

Tamdaotettix (Tamdaotettix) dilutus: Gorochov. 1998 . Entomologicheskoe Obozrenie, 77(1): 81; Kim & Hong. 2014. Zootaxa, 3811(1): 66; Gorochov & Storozhenko. 2015. Zoosystematica Rossica, 24(1): 52.

Type specimen: male; type locality: Tamdao , Vinhphu Province, Vietnam ; location of type specimen: Zoological

Institute , Russian Academy of Sciences, St. Petersburg ( ZIN).

Supplementary description. Male. Fastigium verticis divided into two conical tubercles, apical area divided, apices

directing forward and downward ( Fig. 3 A–B ). Posteromedian process of sixth abdominal tergite nearly triangular, basal area slightly broad, gradually narrowing, posteromedian process rather short, nearly equal to posteromedian process of seventh abdominal tergite ( Fig. 3 C–D ). Posteromedian process of seventh abdominal tergite short and broad, the middle of posterior margin of posteromedian process protruding backward, apex acute ( Fig. 3 D ). Basal half of paraproct expanded, gradually narrowing, apex rounded, with bristles ( Fig. 3 F–G ). Cerci slender and long, conical, apices acute ( Fig.3 F–G ). Base of subgenital plate broad, gradually narrowing, apex rounded ( Fig. 3 E ).

Female. Seventh abdominal tergite with unobviously posteromedian process ( Fig.4 D ). Epiproct tongue-shaped. Cerci slender and long, conical, apices acute ( Fig. 4 D ). Ovipositor short, nearly 2 times of cerci, apical area of dorsal surface of dorsal valvulae with 1 incision, apical area of ventral surface of ventral valvulae denticulate ( Fig. 4 D ). Base of subgenital plate broad, apex rounded, each side of the base with 1 small lobe ( Fig. 4 E ).

Material examined. 1 male, Adebo, Jinping , Yunnan, 12 August, 2016, coll. Xun Bian and Yongxia Wu ; 1 female, Adebo, Jinping , Yunnan, 12 August, 2016, coll. Xun Bian and Yongxia Wu .

Measurements (mm). Body: ♂ 12.8, ♀ 14.5; pronotum: ♂ 6.2, ♀ 6.2; fore femora: ♂ 10.0, ♀ 9.4; hind femora: ♂ 21.6, ♀ 20.0; hind tibiae: ♂ 22.5, ♀ 11.6; hind basitarsi: ♂ 4.8, ♀ 4.4; ovipositor: 8.6.

Distribution. China (Yunnan), Vietnam (Vinhphu).

Discussion. The type locality of the species is Vietnam, and the species is a new recorded species from China.

MAP 1. Distribution of the genus Tamdaotettix from China.

Figures

FIGURE 3. Tamdaotettix (Tamdaotettix) dilutus Gorochov, 1998,male:A–C.head and pronotum:A.frontal view; B. dorsalview;C. lateral view; D–G. apex of abdomen: D. dorsal view; E. apical view; F. apico-dorsal view; G. lateral view; H. hind basitarsi in lateral view.

FIGURE 4. Tamdaotettix (Tamdaotettix) dilutus Gorochov, 1998, female:A–C.head and pronotum: A. frontal view; B. lateral view; C. dorsalview; D–E.apex of abdomen:D.lateral view;E.subgenitalplate in ventralview.