Bioacoustics of Philophyllia guttulata

Description of male . Colour. Brown with green tegmina, one brown stripe on the anterior margin of tegmina, one evident white stripe beyond the eyes ( Fig. 17A ). Short head, wide round eyes, fastigium verticis short, of the same size of the scapus of antennae, sulcate. Prozona of pronotum slightly narrower than metazona; anterior margin of pronotum hardly rounded, posterior margin rounded, with evident lateral excisions; pronotum longer than high, integuments rough. Lower margin of lateral lobes of pronotum undulate. Tegmina wider than pronotum length, leathery, with the apical margins obliquely cut; hind wings longer than tegmina. Stridulatory vein of left tegmen elevated above wing plane. Stridulatory file, 1.6 mm long, with more than 100 evenly spaced and elevated teeth ( Fig. 17B ). Dorsal margin of fore tibiae round (not furrowed). Fore coxae armed. Ventral margins of fore tibiae with 3–4 small spines; tympanum of fore tibiae open on inner and on outer side. Mid tibia with 5–6 spines ventrally on outer and 2–3 on inner margin; dorsal inner margin with 3 spines. Ventral margins of femora furrowed, fore femora with 3–4 spines on inner ventral margin, mid femora with 2 small spines on outer ventral margin, hind femora armed ventrally with 11–12 brown black tipped spines on outer and 7–8 on inner margins. Hind tibiae furrowed, longer than the femora. Lower margin of hind genicular lobe bearing an accessory spine. Meso and metasternum rounded. Supra-anal plate of the male triangular and rounded, male cerci long, in-curved and pointed ( Figs 17C, 17D, 17E ). Subgenital plate narrow, stout, three-keeled, its posterior margin concave, with stout and flat styli ( Figs 17D, 17E ).