Humphaplotropis tongbaishanensis, Shi & Yin & Dai, 2018

Shi, Jian-Ping, Yin, Zhan & Dai, Li, 2018, A new species of the genus Humphaplotropis from China (Orthoptera: Pamphagidae, Pamphaginae), Zootaxa 4378 (2), pp. 289-293 : 289-290

Humphaplotropis tongbaishanensis sp. nov. ( Fig.2 A–L )

Holotype: ♂, paratype, 1 ♀, Tongbaishan, 32°20´N, 112°58´E, Henan, China, leg. Zhang Xiu-Jiang and Li Dong-Sheng .

Male ( Fig.2 A–G ). Body large in size. Head shorter than length of pronotum. Face slightly oblique in profile, frontal ridge with longitudinal sulcus, both lateral carinae parallel, short, not reaching the clypeus. Antennae filiform, 22 segments, not reaching the posterior margin of pronotum. Eyes globose, vertical diameter 1.4 times horizontal diameter and 1.2 times subocular furrow. Pronotum lower hump along the median keel, the high upper than vertex occupied 1/3 of whole high of pronotum in lateral view; anterior margin acute angular in the middle, the apex reaching the hind margin of eyes, posterior margin acute angular in the middle, the apex extending over the anterior margin of first abdominal terga; median keel not cut by hind transverse sulcus; lateral keels distinct. Prosternum collar-like with a thin edge at anterior margin, without tubercles or lobes. Tegmina short, not reaching the hind margin of 1 st abdominal tergite. Middle tibia without teeth or tubercles. Interspace of mesosternum wider, minimum width larger than its length slightly. Hind femur robust, length as long as 3.2 times of maximum width, lower basal lobe longer than the upper one, upper keel smooth, the end of lower knee lobes rounded. Hind tibia with 8 spines on the inner side and 9 spines on outer side, external apical spine present. Upper margin of abdomen sawteeth entirely in lateral view. Tympanum organ distinct, big and rotundity.

Krauss’ organ washboard-like. Epiproct with longitudinal groove in the middle. Cercus conical, not narrow at base, not reaching the tip of epiproct. Subgenital plate triangle, apex acute. Epiphallus with 22 spikes, ancorae broad, both posterior projections shorter than median projection.

Female ( Fig.2 H–K ). Body larger than male. Eyes small, vertical diameter 1.6 times horizontal diameter and equal to subocular furrow. Tegmina short, extending over the middle of first abdominal tergum only, cover 1/5 tympanum. Interspace of mesosternum wider, minimum width about 2.0 times its length. Krauss’ organ washboard-like, with 20 keels. Subgenital plate long, apical part narrower, length slightly larger than width at basal part.

Body yellowish-brown. Eyes brown. Antennae yellowish-brown. Hind femur yellowish-brown. Hind tibia and tarsus yellowish-brown. Abdomen yellowish-brown, with a light dark band on the both sides. Subgenital plate brown.

Measurement (in mm) Length of body: ♂ 40.5, ♀ 58.4. Length of tegmina: ♂ 6.3, ♀ 6.4. Length of hind femur: ♂ 17.5, ♀ 19.4.

The new species HumPhaPlotroPis tongbaishanensis sp. nov. is allied HumPhaPlotroPis xiai Zhi, Shi & Dai, 2015 . The major differences are listed in Table 1.

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

Figures

FIGURE 2 A–K Humphaplotropis tongbaishanensis sp. nov. A. Antenna Ƌ; B. Body in lateral view Ƌ; C. Head and pronotum in dorsalview Ƌ; D.Head,in frontalview,Ƌ; E.MesosternumƋ; F.Epiphallus; G.Endof abdomen Ƌ inlateral view; H.Bodyin lateral view, ♀; I. Subgenital plate, in ventral view, ♀. J. Mesosternum ♀; K. Krauss’ organ, ♀. L. Humphaplotropis xiai Zhi, Shi & Dai, 2015, Krauss’organ,♀. [fig.L.after Zhi et al, 2015]