Bioacoustics of Mirollia (Mirollia) hainani

Redescription. Male. Stridulatory area of left tegmen long oval, 3.45 mm long, 1.85 mm wide ( Fig. 10 C); stridulatory file on underside of left tegmen concave and nearly straight, 1.54 mm long; teeth slightly dense in basal sixth; with 83–100 teeth ( Figs. 3 C, 11M); mirror long oval, 3.55 mm long, 1.91 mm wide ( Fig. 10 D). Tenth abdominal tergite with posterior margin slightly concave; epiproct small, triangular, apex rounded; cerci long, surpassing apex of subgenital plate ( Fig. 7 J); baso-internal side expanded; strongly incurved in apical third and bulging on external side; apex with a wide, slightly curved, sclerotized tooth ( Fig. 7 L). Phallus with three pairs of complex sclerites: lateral sclerites rather short, curved inwards, apical margin denticulate; medial sclerites divided into 2 parts: dorsal parts stout and short, apex covered with denticles, ventral part narrow and long, apical margin denticulate. Subgenital plate curved dorsally in middle; basal part broad, medial area nearly equal width with apical part, apico-lateral margins parallel, posterior margin excised triangularly, apical lobes angular ( Fig. 7 K). Measurements (mm). Male. Body: 15.0–15.5; body with wings: 28.0–28.5; pronotum: 4.0–4.2; tegmen length: 21.5–22.0; tegmen width: 4.6–4.8; hind wing: 25.0–25.5; profemur: 3.0–3.2; mesofemur: 4.2–4.5; postfemur: 9.7–10.0.