Zilingxi dian He, 2022

Li, Shi-Yu, Liu, Yi-Jiao & He, Zhu-Qing, 2022, New and little-known mute Trigonidiinae species from China (Orthoptera: Grylloidea: Trigonidiidae), Zootaxa 5115 (2), pp. 210-220 : 216-217

Zilingxi dian He sp. nov. ÷ḙḃae

Figs. 3F , 4F , 5F , 6F , 7F

Holotype. male, CHINA, Yunnan Prov., Menglun , E 101.28, N 21.92, 19-ix-2017, coll. He Zhu-Qing.

Paratypes. 2 males & 2 females, CHINA, Yunnan Prov., Menglun , 19-ix-2017, coll. He Zhu-Qing ; 1 female, CHINA, Guangxi Prov., Chongzuo, Ningming, Paiyangshan , E 107.17, N 22.06, 6-vii-2021, coll. He Zhu-Qing.

Description. Male. Very similar to Z. danmai ( Figs. 3F , 5F ). Genitalia: pseudepiphallic apical lobe (ps. a. l.) blunt, pseudepiphallic paramere (ps. p.) possessing two branches, inner pair short and inwards curved, outer pair outwards curved, and as long as ps. a. l. ( Fig. 6F ).

Female. Similar to male. Ovipositor similar to that of Z. danmai ( Fig. 7F ).

Coloration. Very similar to Z. danmai . A black line above clypeus, and extended to frontal rostrum ( Fig. 4F ), mid-femora possessing a black spot near apex ( Fig. 3F ).

Measurements (in mm). Male: SZ 8.94–9.33, PR 0.85, HF 4.25–4.38; Female: SZ 8.95–9.54, PR 0.71–0.82, HF 3.71–4.22, OV 2.95–3.08.

Etymology. The specific epithet dian is for the Chinese phonetic alphabet ÷, which refers to the spot near the apex of mid-femora.

Distribution. China (Guangxi, Yunnan)

Remarks. Z. dian and Z. danmai were sympatric in Menglun, Yunnan (He Z.-Q. personal observation), but they have different color patterns in frontal rostrum, mid-femora possessing a black spot near apex, and the shape of male genitalia.

Figures

FIGURE 3. Morphological features of Trigonidiinae spp., body in dorsal view. A. Amusurgus (Usgmona) genji A1, male and short wing; A2, female and short wing; A3, female and long wing; B. Amusurgus (Amusurgus) fulvus; C. Amusurgus (Amusurgus) bispinosus; D. Metiochodes minor; E. Zilingxi danmai He sp. nov.; F. Zilingxi dian He sp. nov..

FIGURE 4. Morphological features of Trigonidiinae spp., head in frontal view. A. Amusurgus (Usgmona) genji A1, male and short wing; A2, female and short wing; A3, female and long wing; B. Amusurgus (Amusurgus) fulvus; C1-C2. Amusurgus (Amusurgus) bispinosus; D. Metiochodes minor; E. Zilingxi danmai He sp. nov.; F. Zilingxi dian He sp. nov..

FIGURE 5. Tympana of Trigonidiinae spp., the first row (a) on inner side and the second row (b) on outer side. A1-A3. Amusurgus (Usgmona) genji; B. Amusurgus (Amusurgus) fulvus; C. Amusurgus (Amusurgus) bispinosus; D. Metiochodes minor; E. Zilingxi danmai He sp. nov.; F. Zilingxi dian He sp. nov..

FIGURE 6. Male genitalia of Trigonidiinae spp., the first row (A1-F1) in dorsal view and the second row (A2-F2) in ventral view. A. Amusurgus (Usgmona) genji, B. Amusurgus (Amusurgus) fulvus, C. Amusurgus (Amusurgus) bispinosus, D. Metiochodes minor, E. Zilingxi danmai He sp. nov., F. Zilingxi dian He sp. nov.

FIGURE 7. Ovipositor of Trigonidiinae spp., in lateral view. A. Amusurgus (Usgmona) genji A1, male and short wing; A2, female and short wing, B. Amusurgus (Amusurgus) fulvus, C. Amusurgus (Amusurgus) bispinosus, D. Metiochodes minor, E. Zilingxi danmai He sp. nov., F. Zilingxi dian He sp. nov. All picture scales are in 1 mm.