Ducetia Stål, 1874

Description. Radius of forewing almost always with veins pectinately-arranged, posterior branches (except in brachypterous species) usually three or more in number and more or less parallel to each other; pronotum without lateral carinae, tibia with oval tympanum, open on both sides; knee lobes of all legs bi-spinose; anterior coxa with a small spine or absent; vertex with anterior margin forming a small spinule at angle beside compound eyes; fastigium of vertex compressed, sulcate above, dorsally furrowed, apex sub-acute, separated from fastigium frontis by a rectangular step. Pronotal disc rounded into paranota, only apical area flat and shouldered; transverse sulcus distinct on disc and paranota, obsolete on lateral angle; V-shaped sulcus, situated in four-sixth of pronotum length; anterior margin sinuate, posterior margin broadly rounded, but slightly concave in middle; paranota about as high as long, anterior angle almost rectangular, posterior angle broadly round, humeral sinus absent, but posterior margin roundly curved to apical area of pronotum; meso- and meta-sternal lobes rounded.

Linear measurements (mm) Ducetia serratus sp. nov. Ducetia japonica