Pseudonicsara (Cercana) sinuata, Ingrisch, 2009

Ingrisch, Sigfrid, 2009, Revision of the genus Pseudonicsara Karny, 1912 (Orthoptera: Tettigoniidae: Conocephalinae: Agraeciini) 2185, Zootaxa 2185, pp. 1-122 : 58-59

publication ID

1175­5334

DOI

https://doi.org/10.5281/zenodo.5319858

persistent identifier

https://treatment.plazi.org/id/80458782-FFE3-A26D-A393-AB8757D3FD0B

treatment provided by

Felipe

scientific name

Pseudonicsara (Cercana) sinuata
status

sp. nov.

Pseudonicsara (Cercana) sinuata View in CoL sp. n.

Figs. 81, 113, 151, 189, 201–202, 241, 264, 343, 378, 417, map 4.

Holotype (male): Indonesia, Papua: New Guinea Exp. K.N.A.G. 1939, Digitara [3° 40' S, 136° 28' E], midden X.1939, Mantri Hoeka, depository: Collectio Fer Willemse, Eygelshoven , Netherlands ( CW), later to be deposited in Naturalis , Leiden ( RMNH). GoogleMaps

Diagnosis. The male cerci of P. sinuata share with those of P. digitata that they have one apico-internal process nearly in the prolongation of the cercus ( Fig. 189). P. sinuata differs from the latter species by the cercus being short and stout with the apico-internal process sinuate with apical spinule and having only one stout baso-internal process ( Figs. 201–202). The epiproct is circular, flat ( Fig. 151). The apical parts of the titillators are oval with the margin undulate ( Fig. 378). Differences to other species are outlined in the key.

Description. Fastigium verticis in front of eyes 0.9 mm, from base 1.3 mm; dorsal eye length 1.4 mm; greatest diameter of eye 1.5 mm; index fastigium verticis from base: eye length 0.9. Face subrugose, with impressed shallow dots. Pronotum shining. Tegmen little surpassing hind knees; gradually narrowing to apex. Prosternum with two small tubercles. Mesosternal lobes rounded. Fore tibia in cross-section triangular below tympana, but in apical third quadrangular with dorsal angles rounded. Femora with the following number of spines on ventral margins: fore femur 4 external, 5 internal; mid femur 4 external, 2–3 internal near base; hind femur 9 external, 7 internal (5 in basal area, 2 near apex).

Male. Stridulatory file sinuate, 2.2 mm long; teeth rather dense, at apex very narrow; with 95 teeth or 43.8 teeth per mm, in middle of file with 32.3 teeth per mm ( Fig. 81). Mirror pentagonal with rounded angles; apical margin oblique; 1.6 mm long, 1.6 mm wide; index length:width 1.0. Tenth abdominal tergite transverse but globular in middle, strongly setose in central and apical areas; apical margin roundly excised in middle and with a short, obtuse lobe on both sides of excision ( Fig. 113). Epiproct triangular, almost flat with a faint median furrow ( Fig. 151). Paraproct with projection thick and short, obtuse and setose. Cerci with one basointernal process of medium length, little constricted behind base, apex angular, obtuse, and one apico-internal process nearly in prolongation of cercus that is sinuate with apical spinule ( Figs. 189, 201–202, 241). Subgenital plate with styli about as long as excision ( Fig. 264).

Titillators with basal parts rather broad and slightly curved along longitudinal line; apical parts ovoid with apico-internal surface covered by clinging hairs; margin granular with irregular sinuate course ( Figs. 343, 378, 417).

Female unknown.

Coloration. Medium brown. Face with a transverse black band in dorsal area also encircling compound eyes; antennal scrobae and ventral margin of fastigium verticis also black; median ocellus light. Apex of mandibles black. Tegmen with little conspicuous brown spots in cells.

Measurements of male: body 28, pronotum 7, tegmen 21, hind femur 15 mm.

Etymology. Named for the sinuate male cercus.

RMNH

National Museum of Natural History, Naturalis

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