Furcilarnaca armata (Bey-Bienko, 1957)

Liu, Jing, Wu, Xiangyi & Bian, Xun, 2022, Contribution to the knowledge of Chinese Gryllacrididae (Orthoptera) IV: New additions of Chinese Furcilarnaca Gorochov, 2004, Zootaxa 5087 (2), pp. 335-356 : 336-338

Furcilarnaca armata (Bey-Bienko, 1957)

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Figs 1–4 , 20A

Additional description notes, both sexes. Tegmina reaching the ninth abdominal tergite or slightly reaching the apex of abdomen ( Figs. 2A–B , 4A–B ). Tegmina ( Figs. 2C–D , 4C–D ): radius with RS branching little before apical third of tegmen, both forked near tip; media anterior free from base but leaning on radius; cubitus anterior at base single branched, after divides into two branches before basal quarter, the anterior branch makes a curvature and receives a short connection branch from MA, shortly after it divides into MP and CuA1, while left tegmen of female remains single branched MP+CuA1 ( Fig. 4C ); cubitus posterior undivided, free throughout; with 3 anal veins.

Female (first description). Ventral surface of female seventh abdominal sternites with a rough transverse carina, basal half obviously swollen, the apex of the swollen forming globular process ( Fig. 3H ). Subgenital plate narrowing to apex, posterior margin nearly triangular concave, the lateral lobes obtusely angular ( Fig. 3H ). Ovipositor straight, dorsal margins and ventral margins smooth, apices subacute ( Fig. 3G ).

Measurements (mm). Female: BL 12.7–15.1, PL 3.6–3.9, TL 8.9–10.8, HFL 8.1–9.2, OvL.9.2–9.3.

Material examined. 2 females, Banhong, Cangyuan , Yunnan, June 2, 2021 , coll. by Jing Liu; 1 male, Mengjiao, Cangyuan , Yunnan, June 7, 2021, coll. Jing Liu ; 1 female, Mangkuan, Baoshan, Yunan , June 17, 2021 , coll. by Jing Liu; 1 male and 2 females, Mangkuan, Baoshan , Yunnan, June 2, 2021 , coll. by Jing Liu; 1 female, Nantianmen, Gengma , Yunnan, July 24, 2021 , coll. by Xiangyi Lu, Xiaojuan Huang and Zhen Huang ; 1 female, Mengsha, Gengma , Yunnan, August 8, 2021 , coll. by Xiangyi Lu, Xiaojuan Huang and Zhen Huang .

Distribution. China: Yunnan (Baoshan, Cangyuan, Jinping, Yongde); Thailand.

Discussion. Based on one female from Doi Chiang Dao trekking, Chiang Mai, Thailand, Ingrisch (2018) introduced Furcilarnaca chiangdao . After examining collected specimens from Baoshan and Cangyuan, Yunnan Province, we find the female of Furcilarnaca armata (Bey-Bienko, 1957) is very similar to that of Furcilarnaca chiangdao in the seventh abdominal tergite and subgenital plate ( Ingrisch, 2018: Fig. 65F). The two taxa may actually represent the same species.

Figures

FIGURE 1. Furcilarnaca armata (Bey-Bienko, 1957). Male: A. head in frontal view; B–C. head and pronotum: B. dorsal view, C. lateral view; D. second and third abdominal tergites in lateral view; E–I. apex of abdomen: E. ventral view, F. apicodorsal view, G. lateral view, H. dorsal view, I. ventral and slightly apical view.

FIGURE 2. Furcilarnaca armata (Bey-Bienko, 1957). Male: A–B. habitus in lateral view; C–D. tegmina in dorsal view: C. left tegmen, D. right tegmen.

FIGURE 3. Furcilarnaca armata (Bey-Bienko, 1957). Female: A. head in frontal view; B–C. head and pronotum: B. dorsal view, C. lateral view; D. second and third abdominal tergites in lateral view; E–H. apex of abdomen: E, G. lateral view, F. dorsal view, H. ventral view.

FIGURE 4. Furcilarnaca armata (Bey-Bienko, 1957). Female: A–B. habitus in lateral view; C–D. tegmina in dorsal view: C. left tegmen, D. right tegmen.

FIGURE 20. Habitus of Furcilarnaca spp. A. Furcilarnaca armata (Bey-Bienko, 1957), female; B. Furcilarnaca chirurga (Bey-Bienko, 1962), male.