Bioacoustics of Microcentrum (Microcentrum) amacayacu

Description. Color: Predominantly olive-green ( Fig. 1 A). Head: Fastigium of the vertex 1.5 times as wide as the antennal scape, continuous to the fastigium of the frons ( Fig. 1 B). Lateral ocellus spherical and conspicuous. Central ocellus yellow-greenish, spherical and conspicuous as well. Compound eyes globose reddish-brown. Thorax: Pronotum smooth. Pronotal disc plane, anterior margin lightly ondulate in the median portion ( Fig. 1 C), lateral lobes with straight anterior margin (Fig, 1D), and lower margin gently curving from the median part to the humeral sinus. Tegmen lanceolate, semicoriacea, enlarged at the median portion and narrowing towards the apex. Stridulatory vein two thirds as long as the width of the posterior margin of pronotal disk, evenly thickened, and curving gently in the median portion. Legs: Fore and mid femura unarmed, fore and mid tibiae armed with small spines on the ventral margin. Tympanic organ brown pigmented on both sides, genicular lobes unarmed. Abdomen: Tenth tergite without modification, lanceolate epiproct. Cerci tumescent, elongated, surpassing the subgenital plate ( Fig. 1 E), dorsal apex armed with a sclerotic plate, ventral apex unarmed, forming a forcep. Subgenital plate longer than wide ( Fig. 1 F), emargination in the posterior margin U-shaped, styles cylindrical and twice as long as the emargination of the subgenital plate. Female. Unknown.