Rhaphidophora duxiu Lu & Bian, 2022

Lu, Xiangyi, Liu, Jing, Huang, Xiaojuan & Bian, Xun, 2022, Contribution to the Chinese subfamily Rhaphidophorinae Walker, 1869 (Orthoptera: Rhaphidophoridae: Rhaphidophorinae) IV: Seven new species of Rhaphidophora and one new mitogenome, Zootaxa 5087 (1), pp. 129-153 : 134

Rhaphidophora duxiu Lu & Bian sp. nov.

ËRĒȃ

Figs. 5–7

Description. Male. Body medium-sized for genus. Anterior margin of pronotum almost straight, posterior margin widely rounded ( Fig. 5B ); lateral lobes longer than high, anterior angle widely rounded, posterior angle rounded ( Fig. 5D ). Fore coxae with 1 spine; femora with 1 short ventral spine on internal margin; tibiae with 1 internal and 2 external spines ventrally, apices with 1 pair of spines on ventral surface. Middle femora with 1 pair of apical spines on ventral surface; tibiae dorsally with 2 pairs of spines, ventral surface with 1 internal and 2 external spines, apices with 1 pair of spines on dorsal and ventral surfaces separately. Hind tibiae with 17–19 pairs of spines and 1 pair of small subapical spines on dorsal surface, apices with 1 pair of dorsal spines and 2 pairs of ventral spines; basitarsi with 3–5 spines and 1 apical spine on dorsal surface along the midline ( Fig. 5I ). Posterior margin of ninth abdominal tergite with slightly projecting in the middle; posterior margin of tenth abdominal tergite projected with arched concavity ( Fig. 5H ). Epiproct with basal area broad, narrowing, apex elevated, dorsal surface with 1 longitudinal furrow along the midline ( Fig. 5H ). Cerci slender, conical, apices subacute. Subgenital plate wider than long, posterior margin arched; styli cylindrical, with apices compressed, inserted on posterolateral area of subgenital plate ( Fig. 5G ).

Female. Ovipositor shorter than hind femora, moderately upcurved, dorsal margins smooth, apices acute; apical quarter of ventral margins with indistinct small teeth ( Fig. 7E ). Lateral margins of subgenital plate constricted before middle area, apical half spine-shaped ( Fig. 7G ).

Coloration. Body black brown with brown spots. Apical areas of femora and tibiae blackish. Ovipositor brown.

Measurement (mm). BL: ♂ 21.4–25.0, ♀ 15.8; PL : ♂ 7.5–7.6, ♀ 6.4; FFL : ♂ 7.3–8.7, ♀ 6.8; MFL : ♂ 7.1–7.9, ♀ 6.5; HFL : ♂ 17.8–19.2, ♀ 15.6; HBL : ♂ 3.8–4.3, ♀ 3.6; OvL : 9.9.

Material examined. Holotype: male, Cenwanglaoshan, Tianlin , Guangxi, July 28, 2019, coll. by Junrong Wei . Paratypes: 1 male, Cenwanglaoshan, Tianlin, Guangxi, July 26, 2019, coll. by Junrong Wei ; 2 males, Cenwanglaoshan, Tianlin , Guangxi, July 28, 2019, coll. by Junrong Wei ; 1 female, August 30, 2021, Xiangyi Lu. Other specimens: 1 male and 2 female nymphs, July 28, 2019, coll. by Jiawen Su and Yvlu Chen; 1 female, Daweishi Tiankeng, Leye, August 7, 2019, Hui Zhang.

Distribution. Guangxi (Cenwanglaoshan).

Discussion. The male of the new species is very similar to Rhaphidophora xishuang Gorochov, 2012 in the shape of epiproct, but differs from the latter in: the length of male epiproct shorter; basal half of female subgenital plate narrower and apical half slightly wider.

Etymology. The name of the new species refers to the spirit of Duxiu of Guangxi Normal University to commemorate the 90 th anniversary of the founding of the university in 2022; noun in apposition.

Figures

FIGURE 5. Rhaphidophora duxiu sp. nov. Male: A, C. head: A. frontal view, C. dorsal view; B, D. head and thoraces: B. dorsal view, D. lateral view; E–H. apex of abdomen: E. lateral view, F. ventral view, G. ventral view, H. apico-dorsal view; I. tarsus of hind leg in lateral view.

FIGURE 6. Rhaphidophora duxiu sp. nov. Female nymph: A. head in frontal view; B–C. head and thoraces: B. lateral view, C. dorsal view; D–F. apex of abdomen: D. apico-dorsal view, E. lateral view, F. ventral view; G. tarsus of hind leg in lateral view.

FIGURE 7. Rhaphidophora duxiu sp. nov. Female: A–B. head: A. frontal view, B. dorsal view; C–D. head and thoraces: C. lateral view, D. dorsal view; E–G. apex of abdomen: E. lateral view, F. apico-dorsal view, G. ventral view; H. tarsus of hind leg in lateral view.