Chorthippus (Altichorthippus) qixingtaiensis, Yin & Ye & Yin, 2014

Yin, Xiang-Chu, Ye, Bao-Hua & Yin, Zhan, 2014, A new species and a new combination of Arcypteridae from China (Orthoptera: Acridoidea), Zoological Systematics 39 (4), pp. 579-582 : 579-581

publication ID 10.11865/zs.20140412

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Chorthippus (Altichorthippus) qixingtaiensis

sp. nov.

Chorthippus (Altichorthippus) qixingtaiensis sp. nov. ( Figs 1–6 View Figs 1–6 )

Holotype ♂, Shandong, Qixingtai (36º30′N, 117º26′E; elev. 680 m), 3 August 2013, coll. Bao-Hua Ye. GoogleMaps Paratypes: 5♂, 2♀, same data as holotype GoogleMaps ; 4♀, Shandong, Qixingtai (36º30′N, 117º26′E; elev. 680 m), 23 August 2012, coll. Bao-Hua Ye. GoogleMaps

Male. Body small in size. Head shorter than pronotum. Face slightly sloping backward. Frontal ridge broad at base, narrowed at median ocellus. Fastigial foveolae oblong, length 4 times as long as width. Eyes oval, vertical diameter about 1.5 times as long as horizontal diameter and 1.8 times length of subocular suture. Antennae filiform 22 segmented, reaching base of hind femur, length of a segment in middle of antennae 3.0 times width. Median carina of pronotum distinct, cut by hind transverse sulcus only, prozona 1.2 times metazoan in length, lateral carinae curved in prozona, anterior margin of pronotum straight nearly and posterior margin obtuse angle. Length of interspace of mesosterum equal minimum width. Lateral lobes of metasternum separated. Tegmina shorter, reaching end of epiproct, precostal area very short, not reaching midpoint of tegmen; maximum width of medial area of tegmen about 2 times as maximum width of cubital area. Hind femur robust, the length 4.0 times its width, tip of lower kneelobe rounded. Posterior tibia with 12 spines on inner side and 13 spines on outer side, outer apical spine absent. Arolium slightly shorter than claw. Tympanal organ developed, tympanic cavity ellipse. Epiproct tongue shaped, with median longitudinal sulcus on basal half part. Cercus conical. Subgenital plate short conical, surpassing apex of epiproct distinctly. Epiphallus with arch bridge, ancorae curved inward, apex pointed, lophi curved.

Body yellowish-brown. Eyes brown. Antennae brown. Tegmina yellowish-brown. Fore and median legs yellowishbrown. Hind femur yellowish-brown, inner side without dark sloping stripe at base, knee lobe dark. Hind tibia orange, base black.

Female. Body larger than male in size. Eyes small, vertical diameter about 1.7 times as long as horizontal diameter and 1.5 times length of subocular suture. Tegmina shorter, not reaching hind margin of 4th abdominal tergum, medial area of tegmen about 2 times as cubital area in width. Length of interspace of mesosterum shorter than its minimum width. Subgenital plate longer, hind margin angulated in middle. Ovipositor valves shorter, apex hooked, upper side smooth. Others as same as male.

Measurements. Length: body, male 15.5–17.5 mm, female 22.5–24.5 mm; tegmina, male 9.5–11.0 mm, female 7.5– 8.5 mm; hind femur, male 9.5–11.0 mm, female 11.7–14.2 mm.

Diagnosis. The new species is allied to Chorthippus (Altichorthippus) changtunensis Yin, 1984 , but it differs from the latter in four characters ( Table 1 View Table 1 ).

Etymology. The specific epithet is named Qixingtai, the type locality.