Pseudonicsara (P.) cervus, Ingrisch, 2009

Ingrisch, Sigfrid, 2009, Revision of the genus Pseudonicsara Karny, 1912 (Orthoptera: Tettigoniidae: Conocephalinae: Agraeciini) 2185, Zootaxa 2185, pp. 1-122 : 23-24

Pseudonicsara (P.) cervus sp. n.

Figs. 73, 115, 156, 193, 225–226, 248, 276, 326, 372, 390, 411, 471, 510, 522, map 3.

Holotype (male): Papua New Guinea: Madang Dist., Kairong area [3° 58' S, 143° 56' E], XII.1971 – I.1972, J. Menzas, depository: Collectio Fer Willemse, Eygelshoven, Netherlands ( CW), later to be deposited in Naturalis, Leiden ( RMNH).

Paratypes: 3 females, same data as holotype ( CW) .

Diagnosis. The new species shares with P. forceps that the male cerci have two apico-internal processes, of which one lies nearly in the prolongation of the cercus. P. cervus differs by having the dorsal apico-internal process in prolongation of cercus, which is curved and has the apex obtuse triangular; the ventral process is compressed and has the apex rounded ( Figs. 115, 193). It also differs in having two baso-internal processes of the cercus and by the titillators being short with the apical margin protruding on both sides ( Figs. 372, 390). The female subgenital plate has a deep median furrow and a pair of large lateral grooves covering most of the plate; the dorso-lateral-apical angles are little acute angularly projecting ( Figs. 471, 510). Differences to other species are outlined in the key.

Description. Fastigium verticis in front of eyes 0.9 mm, from base 1.2 mm; dorsal eye length 1.4 mm; greatest diameter of eye 1.6 mm; index fastigium verticis from base: eye length 0.8. Face shining with large but shallowly impressed dots in middle, almost smooth lateral, rugose again towards genae. Pronotum shining. Tegmen little surpassing hind knees; rather wide at base, apical half narrow. Femora with the following number of spines on ventral margins: fore femur 6–8 external, 6 internal; mid femur 6 external, 3 internal near base; hind femur 7–9 external, 0–2 minute internal spines in basal area.

Male. Stridulatory file slightly sinuate, 2.0 mm long; teeth at apex very dense and indistinct [70 distinct and 40 indistinct teeth in apical area], together with 110 teeth or 53.8 teeth per mm, in middle of file with 29.5 teeth per mm ( Fig. 73). Mirror little widening anteriorly; apical margin substraight; 1.4 mm long, 1.2 mm wide; index length:width = 1.2. Tenth abdominal tergite transverse but globular in middle; apical margin broad-roundly excised between two short, obtuse, projecting lobes ( Fig. 115). Epiproct acute triangular with lateral margins upcurved, in apical half deeply furrowed in midline ( Fig. 156). Projection of paraproct short, transverse, obtuse, dorso-ventrally compressed. Cerci conical, apical third dorso-ventrally compressed, curved mediad, terminating in a triangular flap; internal surface with a greatly projecting rim over almost whole cercus length running at proximal end into a compressed projection pointing mediad, carrying a minute spinule on tip, at distal end with a compressed projection, which is slightly twisted and pointing ventrad, with apex obtuse; below projecting rim internal surface with another small projection ( Figs. 193, 225–226, 248). Subgenital plate wider than long with apical excision wide and shallow ( Fig. 276).

Titillators with basal parts broad, simple; apical parts widening towards apex; internal surface with clinging hairs; margin granular, irregularly sinuate ( Figs. 326, 372, 390, 411).

Female. Tenth abdominal tergite transverse, apex triangularly excised in middle. Subgenital plate with a deep and wide median furrow, sclerites on both sides of furrow with elevated margins and deeply depressed surface; apex with a triangular projection at both lateral angles and widely excised in between; dorso-lateral of lateral margins with a large rounded lateral sclerite at each side ( Figs. 471, 510, 522).

Coloration. Uniformly yellowish brown. Face with a blackish brown vertical band from fastigium frontis to dorsal area of clypeus, widening ventrad to a transverse band along clypeo-frontal suture; median ocellus light; antennal scrobae, ventral surface of scapus and apex of mandibles also blackish brown. Tegmen with yellow or white veins and brown cells. Legs ochre (green when alive?); hind knees brown. Fore tibia with dorsal areas slightly infumate.

Measurements (1 male, 3 females): body: male 24, female 24–27; pronotum: male 6.5, female 6.7–7.2; tegmen: male 22, female 24–26; hind femur: male 14, female 15–18; ovipositor: 15–16.5 mm.

Etymology. Named for the horn-shaped male cercus; noun in apposition.