Xya shandongensis, Zhang & Yin & Yin, 2018

Zhang, Da-Peng, Yin, Hai-Xiang & Yin, Zhan, 2018, A new species of the genus Xya Latreille, 1809 from Shandong, China (Orthoptra, Tridctyloidea, Tridactylidae), Zootaxa 4455 (3), pp. 593-596 : 593

Xya shandongensis sp. nov. ( Figs. 1–6 , 10 )

Holotype. ♂, paratypes 4♂♂, 2♀♀, China, Shandong, Junan county , 35°12′ 29"N, 118°51′23"E, alt. 106m, 27. May, 2017, collected by Da-Peng Zhang, Hai-Xiang Yin and Zhan Yin .

Male Body with luster. Head black. Antennae black, 10-segmented, near moniliform, length 1.2 times maximum width. Three ocelli, median and lateral ocelli, placed median part of eyes. Carinae from eye to vertex mostly absent. Pronotum black, with larger yellow stripe on hind apical part of both sides. Fore wings dark. Hind wings dark, reaching the base of epiproct. Fore legs and mid legs dark, with obscure white markings. Femur of hind legs black, upper side with a yellowish-white spot at the base of 1/3 place. Tibia of hind leg dark with a small white marking near base, tibial serrae small, with three (inside) and four (outside) pairs of articulated lamellae. Cercus and stylus black. Epiproct near triangular.

Female Body larger than male in size. Abdominal segments black, apical part of abdomn with longitudinal sulcus in ventral view. Epiproct rounded. Others as same as male.

Measurement (mm): Length of body: ♂ 4.8–5.2, ♀ 6.0–6.7. Length of pronotum: ♂ 1.0–1.4, ♀ 1.5–1.9. Length of fore wing: ♂ 1.5–1.7, ♀ 1.7–2.1. Length of hind wing: ♂ 1.8–2.0, ♀ 2.4–2.8. Length of hind femur: ♂ 2.8–3.0, ♀ 3.7– 4.1.

Etymology. The specific epithet is named for the type locality Shandong.

The new species is similar to Xya japonica (Haan, 1842) . The major differences are listed in Table 1.

Figures

FIGURE 10. Landscape habitat of Xya shandongensis sp. nov. (China, Shandong, Junan county, Panlong Lake, 35°12′ 29"N, 118°51′23"E, alt. 106m.).

FIGURES 1–9. FIGURES 1–5. Xya shandongensis sp. nov. 1. body in lateral view Ƌ; 2. end of abdomen in dorsal view ♁; 3. head pronotum in lateral view ♁; 4. head in frontal view ♀; 5. body in dorsal view ♀; 6. end of abdomen in ventral view ♀; FIGURES 7– 9. Xya japonica (Haan, 1842) 7. head in frontal view ♀; 8. epiproct in dorsal view ♁; 9. body in dorsal view ♀. (figs. 7–9 after Murai, 2005).