Eremus rugosifrons Brunner von Wattenwyl, 1888

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 : 178-180

publication ID 10.11646/zootaxa.4510.1.1

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Eremus rugosifrons Brunner von Wattenwyl, 1888


Eremus rugosifrons Brunner von Wattenwyl, 1888 View in CoL

Figs. 60 View FIGURE 60 C–E, 61L–N

Material examined. China: leg. Boucard— 1 male (type) (Wien NHMW) ; without locality label, leg. Felder— 1 female (det. Karny) (Wien NHMW) .

Discussion. The female is included here with some doubt as the locality is unknown and also the locality of the holotype is rather imprecise. Thus one cannot be certain that they really represent the same species. Also the female from Sikkim mentioned by Karny (1929a) may represent a different species.

Description. Medium sized species ( Fig. 60C View FIGURE 60 ). Head: Face broad avoid, strongly rugose; fastigium verticis more than twice as wide as scapus, bordered laterally in frontal view by curved carinae; ocelli indistinct (in female lateral ocelli contrasting yellow); fastigium frontis separated from fastigium verticis by a fine curved suture; subocular furrows little distinct ( Fig. 61L View FIGURE 61 ).

Wings absent ( Figs. 60C, E View FIGURE 60 ).

Legs: Fore coxa with a spine at fore margin; fore and mid femora unarmed; fore and mid tibiae with four pairs of not very long spines and one pair of apical spurs on ventral margins; hind tibia on ventral margins without pre-apical spine.

Coloration. General color brown, thorax with few black spots; head mainly black; spines on hind femur and hind tibiae black. Face black; lower parts of clypeus and labrum of lighter color (in male also lateral carinae of fastigium).

Male. Eighth abdominal tergite brown; prolonged and towards end globular. Ninth abdominal tergite oriented ventrally compared to eighth tergite; with down-curved and approaching lateral margins; recurved apical margin in middle with a pair of small black spines. Subgenital plate wider than long with medial furrow; lateral margins concave, apical margin convex; small styli inserted at lateral angles ( Fig. 61M View FIGURE 61 ).

Female. Seventh abdominal sternite conically narrowing backward followed by an oval expansion at end, the latter with a pit; lateral areas membranous. Subgenital plate semi-oval with membranous base ( Fig. 61N View FIGURE 61 ). Ovipositor elongate and little curved; tip more strongly upcurved ( Fig. 60E View FIGURE 60 ).

Measurements (1 male after Brunner 1888, 1 female after Karny 1929a).—body w/o wings: male 31, female 32; pronotum: male 7.5, female 7.3; hind femur: male 19, female 19.3; ovipositor: female 20.1 mm.


Naturhistorisches Museum, Wien













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