Diaphanogryllacris simulator Gorochov & Woznessenskij, 1999

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 : 172

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https://doi.org/ 10.11646/zootaxa.4510.1.1

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Diaphanogryllacris simulator Gorochov & Woznessenskij, 1999


Diaphanogryllacris simulator Gorochov & Woznessenskij, 1999 View in CoL

F igs. 54B, 57H

Material examined. Vietnam: Prov. Vinhfu, Tam Dao N.P., (21°31'N, 105°33'E), 6/95, leg. Luu Tham Muu (18 | 25)— 1 male (Bonn ZFMK) GoogleMaps .

Additional Description. Medium sized species. Head: Face oval; nearly smooth; fastigium verticis wider than scapus; ocelli little distinct; fastigium frontis separated from fastigium verticis by a very fine suture; subocular furrows shallow.

Wings almost reaching to middle of stretched hind tibia ( Fig. 54B View FIGURE 54 ). Tegmen: Radius with two branches, both forked near tip; media anterior free, in subbasal area closely approached to radius, in specimen at hand for a short distance fused; cubitus anterior at base with a single branch that forks into two veins, the anterior branch makes a curvature and shortly after divides again into two parallel branches, MP and CuA1, while the posterior branch (CuA2) does not divide further; cubitus posterior undivided, free throughout; with 4 anal veins, last two with common stem.

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 6 external and 6 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 light brown; vertex brown with black spot behind compound eyes and on fastigium verticis; pronotum black, ventro-anterior angles, hind margin and some scattered small spots light brown; legs of general color. Face yellowish brown with black band from below compound eyes to clypeus. Tegmen semitransparent white to yellow, veins and veinlets brown; towards base darker; hind wing semi-transparent white, veins and veinlets brown.

Male. Eighth abdominal tergite only little prolonged. Ninth abdominal tergite globular with apical area bent down and with nearly rectangular excision in vertical area; on both sides of excision with a thin round projection pointing apicad in basal area, then bent obliquely ventrad, apical area compressed with acute tip. Tenth abdominal tergite in middle and between projections of ninth tergite with a pair of short and stout upright projections with compressed acute tip sticking in situ under a fold of a cavity resulting from the excised hind margin of ninth tergite ( Fig. 57H View FIGURE 57 ). Subgenital plate slightly deformed in specimen at hand; its shape very similar to that of the other species of the genus. For phallus sclerite see Gorochov & Woznessenskij (2000).

Measurements (1 male).—body w/wings: 46; body w/o wings: 29; pronotum: 5.8; tegmen: 35; tegmen width: 11.5; hind femur: 18; antenna: male 110 mm.

Discussion. The specimen at hand is larger than the type described by Gorochov & Woznessenskij (2000), the paired hook-like processes of the ninth abdominal tergite have the basal area rather narrow, more strongly bent down to the apical area, and the paired hooks of tenth abdominal tergite wider and shorter, which agrees more with D. simulator than with D. normalis described from the same locality. The coloration of the head is paler than described for D. normalis (no information was given for D. simulator ).


Zoologisches Forschungsmuseum Alexander Koenig

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