Bioacoustics of Paramacroxiphus bifasciatus

Figs. 6 , 12 , 32 , 40 , 46 , 52 , 95 Holotype (male): Indonesia : Papua , Neth. Ind.-Amer. New Guinea Exped., Bernhard Camp , 50m , 7.XI.1938 , lg. J. Olthof , labelled: " Paramacroxiphus (?) bifasciatus sp. n. " . Holotype in Museum Zoologicum Bogoriense [Cibinong], Indonesia . Description. Fastigium verticis: eye length = 1.3: 2.0 mm; projecting 0.7 mm in front of eyes. Femora with the following number of spines on ventral margins: profemur 7 external, 6–7 internal; mesofemur 7 external, 4 internal; postfemur 15–16 external, 13–14 internal. Male. Stridulatory file slightly sinuate, circa 2.84 mm long; teeth spaced near base, narrowing towards apex ( Fig. 12 ); with about 141 teeth or 49.6 teeth per mm; in middle with 41.0 teeth per mm; in basal half with 33.5 teeth per mm. Tenth abdominal tergite slightly globose at base with a faint indication of a medial carina; apical area depressed; apex bilobate and roundly excised in between ( Fig. 32 ). Epiproct rounded-triangular, small, dorsal surface depressed. Cerci cylindrical but little dorso-ventrally compressed; internal margin carinate in basal area, thereafter widening to a large, rounded, dorsally concave projection until apex; apical margin curved and with a small tooth on ventral margin ( Fig. 32 ). Subgenital plate with lateral areas rather little sloping; with a medial and two rounded lateral carinae; lateral carinae prolonged into long, subcylindrical, apical projections, apex roundly excised in between; styli small inserted at the tip to the projections ( Fig. 40 ). Titillators separate, with basal parts long-ovoid and slightly concave surface; apical parts sheathed ( Figs. 46 , 52 ). The semi-membranous sheaths circa ovoid in general outline, apico-internal surface dark with fine striation, dorsal rim pale crenulated, ventral area pale with fine striation gradually transiting into hyaline sacculi; sheaths of both sides connected in middle; on dorso-external side connected with a bilobate hyaline structure. Baso-lateral sclerites large, elongate, tri-carinate. Female. unknown. Coloration. Brownish testaceus. Frons with two blackish bands from antennal scrobae to and including mandibles; antennal scrobae, fastigium frontis, scapus and pedicellus partly darkened ( Fig. 6 ). Pronotum with a small dark spot at humeral sinus. Anterior tibia with a small dark spot below tympanum. Tegmen maculated with dark and pale cells; veins always pale; dorsal area pale. Antennae with spaced dark rings. Spines pale with dark tips. Measurements of male: body 27; pronotum 9.8; tegmen 33; postfemur 22 mm .