Leptoteratura (Rhinoteratura) sakaii Jin, 2020

Jin, Xingbao, Liu, Xianwei & Wang, Hanqiang, 2020, New taxa of the tribe Meconematini from South-Pacific and Indo-Malayan Regions (Orthoptera, Tettigoniidae, Meconematinae), Zootaxa 4772 (1), pp. 1-53 : 14-15

21) Leptoteratura (Rhinoteratura) sakaii Jin sp. n.

Holotype ♂ (both right middle and hind legs lost, right cercus damaged): MALAYA: SE Pahang / Rompin R, Taman / 5–20m, 19.IX.1960; J.L. Gressitt / Light Trap

Description. Body slender and tenuous, small size, typical appearance of the subgenus (Fig. 8a). Fastigium of vertex flat, thin, with slightly round apex, middle furrow distinct. Maxillary palpi short, its last segement as long as subapical one and apex extremely expanded. Pronotum disc flat with 2 fine whitish yellow stripes along lateral margins of disc (Fig. 8b). Posterior margin of lateral plate roughly straight. Thoracic foramen medium size. Tegmina and hind wings long, tegmina little shorter. Fore leg with coxal spur moderate long. Hind tibia with 2 pairs of apical spurs.

Male cerci symmetrically short lobes with slightly bifurcated projection inwardly (Fig. 8d–f). Subgenital plate with straight and smooth posterior margin, styli short (Fig. 8f).

Female unknown.

Measurements (mm). Body: ♂ 7.8; Pronotum: ♂ 4.3; Tegmina: ♂ 11.2; Hind femora: ♂ 6.2.

Comparison. Similar to Leptoteratura (Rhinoteratura) chaseni ( Karny, 1926) comb. n. from “Malaya, Peninsular Malaysia: Pahang, Cameron Highlands” by narrow subgenital plate. But shape of cerci is much simpler, without branch lobes.

Etymology. Name in memory of Japanese Entomologist and Dermapterist, Professor Sakai Seiroku.