Acerocnema Becker 1894

Key to the species of Korean Acerocnema 1 Scutum with two pairs of partial small round shiny spots along pre- and postsutural intra-alar lines (Fig 1G); sternite 5 Ushaped, lobes sharply triangular (Fig 2A); surstylus ladle-shaped in lateral view, apically enlarged and blackish (Fig 2B); dorsal section of cercus triangular in posterior view, ventral section of cercus slender and extended in posterior view (Fig 2C); hypandrium slightly arched apically not prominently developed (Fig 2B)........................ A. saurischia sp. nov. - Scutum with two pairs of large shiny spots between pre- and postsutural dorsocentral and supra-alar lines (Fig 1H); sternite 5 strongly bilobate, lobes rounded apically (Fig 2E); surstylus slender, parallel-sided, not tapered or enlarged apically (Fig 2F); dorsal section of cercus somewhat parallelogrammatic in posterior view, ventral section of cercus long and tweezer-shaped in posterior view (Fig 2G); hypandrium distinctively arched ventroapically and thick and stout (Fig 2F).... A. flavifrons (Iwasa)