Pulchrapsyra cyanea Tan, Liu & Ingrisch, sp. nov.

(Figs 24–26)

Material examined. EAST MALAYSIA: Sabah State • ♂ holotype; Mount Trus Madi, Trusmadi Entomology Camp; N5.44174, E116.45074, 1189.0± 5.2 m.a.s.l.; 31 October 2023, 19h58–20h23; attracted to light trap at ridge; coll. M.K. Tan, J.L. Yukang & A.Y.C. Chung; SBH.23.31 (FRC)

Etymology. The species name refers to the characteristic light bluish tint on the head, pronotum and legs; cyanea = light (or sky) blue in Greek.

Diagnosis. See diagnosis of genus.

Description. Head, pronotum and tegmina generally dark green with a tint of light blue, white, black and dark red when alive, generally yellow when preserved (Figs 24, 25). Eyes in lateral view oval; in dorsal view globular and slightly protruding anteriorly (Figs 25B, 25C). Head with dorsum multi-coloured: medially black with median suclus having thin and green line, lateral of median sulcus with thicker and green longitudinal lateral bands; black dorsum bordered by white margins that run from posterior margin of head along margin of eye to base of frontal rostrum (Fig. 24). Frontal rostrum basally white with a tint of light blue and apically black; somewhat flattened, triangular, stout, with broadly rounded apex and median sulcus distinct (Figs 24, 25C). Antennal scapus black with a tint of light blue; pedicles black with basal and distal parts light blue; segments reddish purple (Figs 24, 25C, 25D). Face between eyes white with a tint of light blue, otherwise light coloured; mouthparts generally light coloured (Fig. 25D). Pronotal disc with anterior margin straight and light blue, posterior margin broadly rounded and white (Figs 24, 25C); dorsal disc mostly dark red, median keel with white thin line, laterally with green broken longitudinal band, black near posterior margin (Fig. 24); pronzona 1.8 times longer than metazona. Pronotal lobe 1.1 times taller than long; mostly green, faintly darker in middle with margins white; ventral part of lobe white; posterior margin also black bordered by white; ventral margin fairly long and straight (Figs 24, 25B). Tegmen relatively narrow and dark green; stridulatory area, anal margin and apex with veins green and cells black, in basal part with basal margin white (Figs 24, 25A). Femora generally dark yellow green with basal and apical ends having tints of light blue, white and black (Fig. 24); tibiae generally black, in middle with broad white ring (Fig. 24). Fore tibia with inner tympanum conchate, slightly swollen, with broad slit opening, around tympanum and knee black with a tint of light blue and dark red (Fig. 25E); with outer tympanum oval (Fig. 25F). Hind legs missing in holotype.

Male. Left tegmen with vein 1A swollen, transversely elongated oval (Fig. 26A); right tegmen with vein 1A slightly curved and mirror stoutly pentagonal (Fig. 26B). Stridulatory file on left tegmen faintly sinuous with ca. 33 fairly broadly-spaced and stout teeth (Fig. 26C). Abdominal apex as shown in Figs 26D, 26E: tenth abdominal tergite large with two lateral bulbous lobes, between lobes deeply emarginated; cercus curved with apex acute; subgenital plate very long and deeply emarginated with two apical lobes long and slender; styli inserted into apical lobes, short and cylindrical.

Female. Unknown.

Measurements (♂ holotype, in mm). BL = 14.3; BWL = 34.5; PL = 4.2; PW = 3.1; TL = 29.2; TW = 4.4; HWT = 2.0

Ecology. This species was attracted to light. It is probably an arboreal species.

Distribution. Borneo (Mount Trus Madi in Sabah)

Type locality. EAST MALAYSIA: Sabah: Mount Trus Madi