Bioacoustics of Ectadia sulcata

Redescription. – Male. Size small. Hind wing conspicuously longer than tegmen. Stridulatory file strongly curved, with circa 20 large teeth at base half, and 50-60 minutely spaced fine teeth in the apical half area (Fig. 7). The 10 th abdominal tergite slightly depressed, lightly prolonged, with hind margin truncate. Supra-anal plate trapezoidal, with lateral margins arcuate, hind margin truncate. Cerci very broad at basal 1/3 area, then sharply acuminate, yataghan-shaped. The subgenital plate with the broadest base, then becoming narrower, split for almost apical 2/3, upcurved. Female similar to male except the wings and abdominal apex. Hind wing slightly longer than tegmen; supra-anal plate triangular; cerci rather short, conical; ovipositor fairly narrow and long, 2.5 times longer than pronotum, upcurved, both margins denticulate (Fig. 24); Subgenital plate triangular, apex obtuse-round (Fig. 27). Measurements (length in mm). – body: male 15, female 17; pronotum: male 4.5, female 4.0; tegmen: male 21.5, female 20.5; width of tegmen: male 5, female 3.5; hind wing: male 19.5; hind femur: male 19, female 17.5; ovipositor: 8.0.