Atlanticus (Atlanticus) ruichengi Liu, 2013

Liu, Chun-Xiang, 2013, Review of Atlanticus Scudder, 1894 (Orthoptera: Tettigoniidae: Tettigoniinae) from China, with description of 27 new species, Zootaxa 3647 (1), pp. 1-42 : 17-18

Atlanticus (Atlanticus) ruichengi Liu sp. n.

( Fig. 7O ; Table 1)

Holotype. Female [IOZ(E) 1340336], China: Shanxi Prov., Yuncheng City , Ruicheng County, Dawang Town , Miaohutong , 1991.IX.12, Coll. Liu Jupeng.

Diagnosis. Medium-sized compared to the congeners in the subgenus Atlanticus . Female ovipositor narrow (1.0 mm wide in middle), twice the length of pronotum, with apical two thirds gradually recurved. Hind femur approximately three times the length of pronotum.

Description. Holotype. Female. Disc of prozona slightly convex, and metazona slightly slanting from middle line to lateral carinae. Pronotum narrowest in proximal one-third, and then gradually ampliate caudad. Lateral lobes of pronotum slightly longer than deep, deepest in middle; anterior margin very slightly concave, posterior margin oblique with a slight humeral concavity, ventral margin slanting caudad to posterior angle. Tegmen not produced dorsally. Each femur without ventral spines. Fore tibia with 2 dorsal spines on exterior margin and 6 ventral spines on both margins. Middle tibia with 2 exterior and 4 interior spines on dorsal margins, 6 ventral spines on both margins. Hind tibia with 25 exterior and 28 interior spines on dorsal margins.

Ovipositor twice the length of pronotum, gradually recurved in apical two-thirds (over 15º angle). Proximal one-quarter of ovipositor narrowed from base, remainder of equal width, with upper margin slightly obliquely truncate at apex. Subgenital plate distinctly transverse, emarginate in apical one-quarter, forming two obtuse triangular lobes.

Coloration. Generally dark brown. Face and occiput yellowish brown with numerous reddish brown dots. The following parts are shining blackish brown: outer surface of two basal antennal joints; fastigium frontis; lateral surfaces of fastigium verticis. The following parts are shining dark brown: pronotal disc, upper portion of pleurae; a little proximal portion of anterior surface of hind femora. Lateral lobes of pronotum generally brown with areas over humeral notch, numerous dots and indefinite striation reddish brown. Legs brown with numerous reddish brown spots and indefinite striation. Each abdominal tergum brown with a rust-like central inverse triangular area extending from anterior margin to posterior margin and numerous indefinite rust-like striation.

Male unknown.

Notes. This new species mostly resembles A. minor sp. n. in general body shape and in that the lateral lobes of pronotum are deepest in middle, but differs in its large size (including length of pronotum and hind femur), shape and length of the ovipositor.

Etymology. The new species is named for its type locality.

Distribution. China (Shanxi).

Figures

FIGURE 7. Body in lateral view. (A) male, A. (A.) kulingensis (topotype); (B) male, A. (A.) akulingensis (holotype); (C) male, A. (A.) robustus (topotype); (D) male, A. (A.) yashani sp. n. (holotype); (E) female, A. (A.) kulingensis (topotype); (F) female, A. (A.) akulingensis (paratype); (G) female, A. (A.) yashani (paratype); (H) male, A. (A.) yashani sp. n. (paratype); (I) female, A. (A.) jiuchongensis sp. n. (holotype); (J) female, A. (A.) hefengensis sp. n. (holotype); (K) male, A. (A.) jixiani sp. n. (holotype); (L) male, A. (A.) zhongyangi sp. n. (holotype); (M) male, A. (A.) minor sp. n. (holotype); (N) female, A. (A.) minor sp. n. (paratype); (O) female, A. (A.) qinshuii sp. n. (holotype); (P) female, A. (A.) ruichengi sp. n. (holotype); (Q) male, A. (A.) donglingi sp. n. (holotype); (R) female, A. (A.) donglingi sp. n. (paratype); (S) female, A. (A.) plateau sp. n. (holotype); (U) male, A. (A.) macropterus sp. n. (holotype); (V) male, A. (A.) medius sp. n. (holotype); (W) male, A. (A.) minimus sp. n. (holotype); (T) female, A. (A.) beitaii sp. n. (paratype); (X) male, A. (A.) beitaii sp. n. (holotype); (Y) male, A. (A.) parabeitaii sp. n. (holotype); (Z) female, A. (A.) parabeitaii sp. n. (paratype); (Z1) male, A. (A.) abeitaii sp. n. (holotype); (Z2) female, A. (A.) abeitaii sp. n. (paratype). (Photo by Mr. Mai)