Genus Tapiena Bolívar, 1906

Type species: Tapiena acutangula Brunner von Wattenwyl, 1878

Diagnosis. Fastigium frontis with apex as wide as antennal scapus. Head and pronotum densely punctuated. Tegmen without distinct Costal vein. Fore coxa armed with a spine. Fore tibia with external tympanum open, oval; internal tympanum slit covered by large conchate swelling. Hind femur with genicular lobe rounded, without any spine. Male subgenital plate with styli long, as long as half the length of subgenital plate. Ovipositor with lateral surface not granuliferous, with dorsal and ventral margins finely serrulated (Liu & Kang, 2010).