Otidiogryllacris auriculata auriculata (Krauss, 1902)

Figs. 25 A–E, 102G–H

Material examined. Indonesia: West Java, Cibodas, elev. 1400–1500 m (6°43'S, 107°0'E), 31.iii.–1.iv.1995, leg. S. Ingrisch— 1 female, 1 male (Bonn ZFMK).

Description. Small species (Figs. 102 G–H). Head: Face ovoid; forehead nearly smooth; fastigium verticis little wider than scapus, separated by a transverse suture from fastigium frontis; ocelli distinct, whitish. Abdominal tergite two with one and tergite three with two rows of very small stridulatory pegs (0, 8–10; 9–10, 10; n = 1 male, 1 female).

Wings covering about two thirds of abdomen or little more (Figs. 25A, D). Tegmen: Radius with two branches: only RS forked near tip; media anterior has a common stem with radius, arising as first posterior branch of R in basal half of tegmen; media posterior absent; cubitus anterior and cubitus posterior both undivided, free throughout; with 4 Anal veins, the last one incomplete and with a common base with preceding vein.

Legs: Fore coxa with a spine at fore margin; fore and mid femora unarmed; fore and mid tibiae with four pairs of large ventral spines and one pair of smaller ventral spurs; hind femur with 3–5 external and 1–3 internal spines on ventral margins; hind tibia with spaced spines on both dorsal margins, ventral margins with one pre-apical spine; with 3 apical spurs on both sides.

Coloration. General color rather uniformly brown with indistinct pattern. Face yellowish brown with a dark brown band from base of scapus and below lateral ocelli to base of scapus. Tegmen semi-transparent yellow, little suffused toward tip, veins light brown; hind wing semi-transparent white; veins yellow to brown.

Male. Ninth abdominal tergite globular, from about central area furrowed and later split in midline; on both sides of divided area semi-globularly swollen and terminating at ventro-internal angle into long, compressed, upcurved, and slightly sinuate processes with extended acute tip (Figs. 25 B–C). Paraproctes forming large vaulted plates from internal margin of bases of cerci. Subgenital plate little wider than long, with convex lateral margins, apical margin rounded angularly excised; styli rather thin and little curved, shorter than length of subgenital plate, inserted at apical lateral angles of subgenital plate (Fig. 25C).

Female. Seventh abdominal sternite of normal shape. Subgenital plate about as long as wide; basal margin obtuse-angularly excised, lateral margins in basal area convex-subparallel, in posterior area with converging margins, at tip rounded (Fig. 25E). Ovipositor falcate, strongly upcurved especially in subbasal area; margins gradually approaching towards apex; apical area slightly thickened but hardly widened; tip subacute (Fig. 25D).

Measurements (1 male, 1 female).—body w/o wings: male 21, female 20; pronotum: male 3.2, female 4; tegmen: male 10, female 10.5; hind femur: male 8, female 8.5; antenna: male 80, female 90; ovipositor: female 6 mm.