Bioacoustics of Apterolarnaca quadrimaculata

http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:474288 Description. Male. Body medium, wingless. Frons smooth. Fastigium verticis about 1.7 times as wide as scape ( Fig. 2A ). Eyes ovoid; ocelli inconspicuous. Scape as long as eyes, pedicel about two thirds the length of scape ( Fig. 2A ). Apical segment of maxillary palpi slightly longer than subapical segment, apex slightly inflated. Anterior margin of pronotum projected in the middle, posterior margin truncate, lateral lobes longer than high, ventral margin undulating, humeral sinus absent ( Fig. 2C ). Fore coxae with 1 small spine; fore and middle femora unarmed on ventral surface. Hind femora with 7 robust spines on internal margin, the apical 5 spines obviously longer than others; external margin with 3–4 spines positioned in apical half ( Fig. 2E ). Fore tibiae with 5 pairs of spines (including 1 pair of apical spines), apical spines minute; middle tibiae with 4 pairs of spines but smaller in size; hind tibiae arched curved, dorsal surface of with 5–6 tubercle swellings, apices with 1 pair of dorsal spines and 2 pairs of ventral spines ( Fig. 2E ). Second and third abdominal tergites with 2 rows of transverse stridulatory teeth on lateral margins separately. Ninth abdominal tergite divided in the middle, forming two triangular lateral lobes, its apices spine-shaped, directing downwards and slightly inwards ( Fig. 2D, F ). Tenth abdominal tergite interrupted in the middle. Cerci short, conical, slightly upcurved, its apices obtuse ( Fig. 2G ). Basal margin of male subgenital plate almost straight, posterior margin with 1 U-shaped concavity ( Fig. 2G ), the lateral margins forming 2 lobes, its apices bifurcate, the internal lobes obviously curved inwards, the external lobes directing upwards ( Fig. 2F ). Female. Unknown. Coloration. Body yellowish. Eyes brown. Face with 4 black spots, genae with 2 vertical stripes, fastigium verticis with 1 black median spots ( Fig. 2A ), occiput black ( Fig. 2B ). Basal and apical areas of scape with 1 black ring separately; pedicel with 1 black ring in the middle; flagellum black brown. Margins of pronotum, mesonotum and metanotum black, pronotum with 1 median stripe ( Fig. 2B ). Apical area of all femora, basal and apical areas of all tibiae, and spines of hind legs black ( Fig. 2B, E ); spines of fore and middle tibiae and all tarsi blackish. Apices of lateral lobes of tenth abdominal tergite brown ( Fig. 2F ). Measurements (mm). BL: 16.5, PL: 4.5, HFL: 10.5.