Holochlora bispinosa Tan, Liu & Ingrisch, 2024

Tan, Ming Kai, Liu, Chunxiang, Ingrisch, Sigfrid, Japir, Razy & Chung, Arthur Y. C., 2024, An account on the Phaneropterinae (Tettigonioidea: Tettigoniidae) from the highlands of western Sabah, Zootaxa 5443 (4), pp. 451-494 : 467-468

Holochlora bispinosa Tan, Liu & Ingrisch , sp. nov.

( Figs 9J–L , 10J, 10K , 11G, 11H , 12D , 13C , 17 )

Material examined. EAST MALAYSIA: Sabah State • ♂ holotype; Mount Trus Madi, Trusmadi Entomology Camp ; N5.44307, E116.45155, 1192.0± 5.6 m.a.s.l.; 31 October 2023, 20h33–20h49; attracted to light trap near camp; coll. M.K. Tan, J.L. Yukang & A.Y.C. Chung; SBH.23.42 ( FRC)

Etymology. The species name refers to the two characteristic medial spine-like processes emerging at the base of the male tenth abdominal tergite.

Diagnosis. The new species is characterised by the combination of the following male characters: tenth abdominal tergite basally with two spine-like processes in middle; these processes in apical half slightly curved, slightly surpassing the posterior margin of the tenth abdominal tergite but not the lateral lobes; apex obtuse. Posterior margin of tenth abdominal tergite with two lateral lobes pointing slightly laterally; lobes somewhat triangular with subobtuse apex; posterior margin between lobes transverse and truncated. Cercus basally broad, thereafter cylindrical, at apical end curved dorsad; apex acute. Subgenital plate at its basal half broad with lateral margins narrowing; in apical half forming a shaft with lateral margins at apical end with two lobes narrowly spaced apart. The styli are about as long, if not longer than apical lobes of subgenital plate, their apices obtuse.

Description. Habitus typical for genus; of rather small in size; head, pronotum, tegmina and legs generally green when alive, yellow when preserved ( Figs 9J, 9K , 13C ). Head dorsum with a tint of red at frontal rostrum, inner margin of eyes and scapus ( Figs 9K, 9L ). Eyes in dorsal view globular and slightly protruding anteriorly; in frontal view slightly longer ( Figs 9K, 9L ). Frontal rostrum conical, stout, with rounded tip; median sulcus distinct ( Fig. 9K ). Scape, pedicel and antennal segments with a tint of red ( Fig. 9L ). Face and mouthparts generally of light colour, median ocellus large and pyriform ( Fig. 9L ). Pronotal disc with anterior margin straight and faintly emarginated in middle, posterior margin broadly convex ( Fig. 9K ); pronzona 1.8 times longer than metazona. Pronotal lobe 1.2 times taller than long; ventral margin short and rounded ( Fig. 9J ). Tegmen rather narrow, unicolourous green ( Fig. 13C ). Legs generally green. Fore tibia with inner tympanum conchate with fairly broad slit opening ( Fig. 10J ). Hind femur with genicular area green but dorsally faintly darker, with external lobes bispinose, dorsal spine subacute, ventral spine acute ( Fig. 10K ).

Male. Left tegmen with vein 1A swollen, typical for genus, bulbous oval ( Fig. 11G ); right tegmen with vein 1A faintly sinuous and mirror with basal end narrower than distal end ( Fig. 11H ). Stridulatory file on left tegmen stout, typical for genus; slightly sinuous with ca. 39 teeth and 7 additional smaller stout teeth at basal end ( Fig. 12D ). Abdominal apex as shown in Fig. 17 : Tenth abdominal tergite basally with two spine-like processes in middle; process in apical half slightly curved, little surpassing posterior margin of tenth abdominal tergite but not lateral lobes; apex obtuse. Tenth abdominal tergite with posterior margin with two lateral lobes pointing slightly laterally; lobe somewhat triangular with subobtuse apex; posterior margin between lobes transverse and truncated. Cercus broad at base, thereafter cylindrical, at apical end curved dorsad; apex acute. Subgenital plate in basal half broad with lateral margins narrowing posteriorly; in apical half forming a shaft with straight lateral margins, near end dividing into two lobes narrowly spaced apart. Styli are about as long as, if not longer than apical lobes of subgenital plate; apices obtuse.

Female. Unknown.

Measurements (♂ holotype, in mm). BL = 12.6; BWL = 37.0; PL = 4.1; PW = 3.0; TL = 30.0; TW = 4.8; HWT = 2.8; HFL = 21.2; HFW = 2.4; HTL = 25.0.

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

Figures

FIGURE 9. Holochlora annulicornis Karny, 1926 (A–C), Holochlora bulbosa Tan, Liu & Ingrisch, sp. nov. (D–F), Holochlora falcata Tan, Liu & Ingrisch, sp. nov. (G–I), Holochlora bispinosa Tan, Liu & Ingrisch, sp. nov. (J–L) and Holochlora cratera Tan, Liu & Ingrisch, sp. nov. (M–O) head and pronotum in lateral (A, D, G, J, M) and dorsal (B, E, H, K, N) views; face in anterior view (C, F, I, L, O). Scale bars: 5 mm (all except C, F, I, L, O); 2 mm (C, F, I, L, O).

FIGURE 10. Holochlora annulicornis Karny, 1926 (A–C), Holochlora bulbosa Tan, Liu & Ingrisch, sp. nov. (D–F), Holochlora falcata Tan, Liu & Ingrisch, sp. nov. (G–I), Holochlora bispinosa Tan, Liu & Ingrisch, sp. nov. (J, K) and Holochlora cratera Tan, Liu & Ingrisch, sp. nov. (L–N) inner tympanum (A, D, G, J, L) and outer tympanum (B, E, H, M); hind knee in external view (C, F, I, K, N). Scale bars: 1 mm.

FIGURE 11. Holochlora annulicornis Karny, 1926 (A, B), Holochlora bulbosa Tan, Liu & Ingrisch, sp. nov. (C, D), Holochlora falcata Tan, Liu & Ingrisch, sp. nov. (E, F), Holochlora bispinosa Tan, Liu & Ingrisch, sp. nov. (G, H) and Holochlora cratera Tan, Liu & Ingrisch, sp. nov. (I, J) stridulatory area on the left (A, C, E, G, I) and right (B, D, F, H, J) in dorsal view. Scale bars: 2 mm (C, D), 1 mm (all except C, D).

FIGURE 12. Holochlora annulicornis Karny, 1926 (A), Holochlora bulbosa Tan, Liu & Ingrisch, sp. nov. (B), Holochlora falcata Tan, Liu & Ingrisch, sp. nov. (C), Holochlora bispinosa Tan, Liu & Ingrisch, sp. nov. (D) and Holochlora cratera Tan, Liu & Ingrisch, sp. nov. (E) stridulatory file on the left tegmen in ventral view. Scale bars: 1 mm.

FIGURE 13. Holochlora bulbosa Tan, Liu & Ingrisch, sp. nov. (A), Holochlora falcata Tan, Liu & Ingrisch, sp. nov. (B), Holochlora bispinosa Tan, Liu & Ingrisch, sp. nov. (C) and Holochlora cratera Tan, Liu & Ingrisch, sp. nov. (D) ♂ habitus in lateral view. Scale bars: 1 cm.

FIGURE 17. Holochlora bispinosa Tan, Liu & Ingrisch, sp. nov. ♂ holotype: abdominal apex in dorsal (A) and lateral (B) views; subgenital plate in ventral view (C). Scale bars: 1 mm.