Gryllacris (Pardogryllacris) lineolata lineolata Serville, 1838

Ingrisch, Sigfrid, 2018, New taxa and records of Gryllacrididae (Orthoptera, Stenopelmatoidea) from South East Asia and New Guinea with a key to the genera, Zootaxa 4510 (1), pp. 1-278 : 51-52

publication ID 10.11646/zootaxa.4510.1.1

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Gryllacris (Pardogryllacris) lineolata lineolata Serville, 1838


Gryllacris (Pardogryllacris) lineolata lineolata Serville, 1838 View in CoL

Figs. 11G View FIGURE 11 , 12N View FIGURE 12 , 14 View FIGURE 14 F–H, 17M–N

Material examined. Indonesia: West Java, Batavia [= Jakarta], (6°10'S, 106°48'E), 1908, leg. Dr. Siebert— 1 male (Museum Wiesbaden); same locality, 1906, leg. P. Serre— 1 female (Paris MNHN) GoogleMaps .

Diagnosis. The species is characterized by the specific shape of the male ninth abdominal tergite that has the moveable posterior area directing ventrad but is at ventral margin bent proximad, strongly widened and divided in midline into a pair of roughly auricular lobes, in ventro-apical view triangular lobes.

Description. Small to medium sized species. Head: Face narrow ovoid; forehead nearly smooth; fastigium verticis hardly wider than scapus, separated by a narrow suture from fastigium frontis; ocelli indistinct ( Fig. 12N View FIGURE 12 ). Abdominal tergites two and three with abdominal stridulatory teeth little distinct, forming 1 (posterior) row at sides of tergite II and 2 rows at sides of tergite III.

Wings little surpassing hind knees ( Fig. 11G View FIGURE 11 ). Tegmen: Radius with RS branching before mid-length, both forked near tip; both, media anterior and cubitus anterior fused in basal area with radius, media divides near end of basal third, cubitus anterior divides between basal fourth and fifth, CuA divides again in about mid-length into CuA1 and CuA2; cubitus posterior undivided, free throughout; with 4 anal veins.

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 5–6 external and 2 internal spines on ventral margins; hind tibia with spaced spines on both dorsal margins, ventral margins with one pre-apical spine each; with 3 apical spurs on both sides.

Coloration. Discolored yellowish brown; vertex and pronotum medium brown, hind margin blackish. Fore legs medium brown, fore tibia with a pale stroke in dorsal half of anterior surface; mid and hind legs yellowish brown. Face medium brown, fastigium verticis and fastigium frontis, lower half of clypeus, and labrum yellowish brown; scapus with about inner surface dark brown to blackish, about outer surface light brown. Tegmen surface yellowish transparent, main veins yellowish; cross-veins dark brown to black; hind wing yellowish transparent; cross-veins dark brown to black.

Male. Eighth abdominal tergite strongly prolonged behind with concave lateral margins and truncate apical margin, covering base of ninth tergite. Ninth abdominal tergite (type H in Brunner 1888) distinctly narrower than tergite VIII with concave lateral margins; slightly beyond halfway suddenly bent proximad in about a 90° angle ( Fig. 14F View FIGURE 14 ) giving the impressions of a truncate tip when seen from above-behind ( Fig. 14G View FIGURE 14 ); the proximally bent apical part divided into two widely separated lobes with roof-shaped external and concave internal surface, in ventro-apical view giving the impression of a pair of triangles with prolonged ventral angles with obtuse tips ( Figs. 14H View FIGURE 14 ). When seen from behind-below it appears as though the base of ninth tergite continuous below the prolonged eight tergite ( Fig. 14H View FIGURE 14 ). Subgenital plate more than twice as wide as long; apical margin subtruncate with a pair of small triangular lobes in middle; cerci inserted at lateral angles of apical margin. Phallus membranous.

Female as in G. l. menzeli described below ( Figs. 17 View FIGURE 17 M–N).

Measurements (1 male).—body w/wings: 31; body w/o wings: 22; pronotum: 4.7; tegmen: 23; tegmen width: 7; hind femur: 13.5 mm.


Museum National d'Histoire Naturelle













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