Bioacoustics of Nemobiini

Diagnosis . This new genus is characterized by the combination of the following characters: (i) males and females with morphologically similar tegmina ( Figs. 2 A, B, D; 3A and 5A, B, D); (ii) tegmina reduced, not reaching half of the second abdominal segment ( Fig. 2 A, B, D); (iii) dorsal field of the tegmina with parallel veins, without stridulatory vein or any specialized area for sound production ( Fig. 3 A); (iv) tibia of the first pair of legs without tympanum; (v) tibia of the third pair of legs with seven dorsal spurs, four inner and three outer ( Fig. 3 C), the proximo-dorsal inner spur reduced in size ( Fig. 3 C, D) and the disto-dorsal inner spur without glandular aspect ( Fig. 3 C); (vi) ovipositor with distal portion of the dorsal and ventral valves serrated ( Fig. 5 G–I); (vii) male genitalia without evident bristles or sensillas ( Fig. 4 ); (viii) pseudepiphallic median lobe presenting apical and ventral projections ( Fig. 4 A, C, D, F).