Haplotropis yiyuanensis, Cao & Liu & Yin, 2021

Cao, Cheng-Quan, Liu, Yu-Sheng & Yin, Zhan, 2021, A new species of the genus Haplotropis Saussure, 1888 (Orthoptera, Acridoidea, Pamphagidae) from Shandong, China, Zootaxa 5026 (3), pp. 447-450 : 447-449

Haplotropis yiyuanensis sp. nov. (Figs. 1–10)

Holotype: ♂, paratypes 2♂, 2♀, Shandong, Yiyuan , 36º11´N, 118º09´E, altitude 400m, 2007-VI-28, collected by Cao Cheng-Quan.

Male: Body large in size. Head larger and short, shorter than pronotum. Face slightly oblique in profile. Frontal ridge slightly widened at median ocellus. Antennae filiform, 20 segmented, length of joint 2.0 times width in middle part. Eyes globose, vertical diameter 1.5 times horizontal diameter and 1.7 times subocular furrow. Pronotum cylindrical, anterior margin angular in middle, median keel distinct, not cut by hind transverse sulcus, lateral keels short, length of interspace of mesosternum shorter than narrowest, lateral lobes of metasternum separated. Tegmina shorter, not reaching the hind margin of first abdominal tergite, length of tegmina 1.9 times in male, cover 1/3 tympanum. Upper keel of hind femur smooth, length of hind femur 3.4 times its maximum width, the end of lower knee lobes angular. Hind tibia with 9 spines on inner and on outer sides, external apical spine present. Second joint of hind tarsus shorter than first joint. Tympanum distinct, big and rotundity. Krauss’ organ washboard-like, length 1.3 times width of mid-part. Tergum of terminal abdomere with longitudinal groove in middle, furculae absent. Cercus conical, not reaching tip of epiproct, apical half part gently tapering. Subgenital plate short-tapered, apex acute. ancorae of epiphallus oblique inward distinctly, lower margin with high projection in the middle.

Female: Body more robust. Vertical diameter of eyes 1.6 times horizontal diameter and 1.2 times subocular furrow. Anterior margin of pronotum with distinct acute angular in middle. Tegmina shorter, not reaching hind margin of the 1st abdominal tergite, length 1.7times its width. Length of hind femur 3.5 times its maximum width. Cercus short-conical, not reaching end of epiproct. length of subgenital plate equal to maximum width. Ovipositor valve slender, apex curved and acute, outer margin smooth.

FIGURS 1–15. 1–10. Haplotropis yiyuanensis sp. nov. 1. body in lateral view ♂; 2. mesosternum ♂; 3. epiphallus; 4. head and pronotum ♂; 5. tegmen and tympanum ♂; 6. Krauss’ organ ♂; 7. end of abdomen in lateral view ♂; 8. end of abdomen in dorsal view ♂; 9. body in lateral view ♀; 10. end of abdomen in ventral view ♀. 11–15. Haplotropis xiai Ye, Yin & Li, 2016 , 11. tegmen and tympanum ♂; 12.. mesosternum ♂; 13. Krauss’ organ ♂; 14. Epiphallus; 15. end of abdomen in ventral view ♀. (figs. 11–15 after Ye, Yin & Li, 2016).

Coloration: Body brown. Antennae yellowish-brown. Pronotum yellowish-brown, metazona area with a black oblong band along median keel. Tegmina brown. Hind femur with two black band on upper side. Hind tibia yellow, upper side blue. Abdomen yellowish-brown, with dark broad longitudinal stripe on both sides. Subgenital plate of male brown.

Measurement (mm): Length of body: ♂ 33.5, ♀ 41.5. Length of tegmina: ♂ 5.5, ♀ 5.0. Length of pronotum: ♂ 11.0, ♀ 12.8. Length of hind femur: ♂ 19.0, ♀ 21.7.

Diagnosis. The new species is similar to Haplotropis xiai Ye, Yin & Li, 2016 , the major differences are listed in Table 1.

Etymology The specific epithet is named after Yiyuan, the type locality.