Leptanilla genus AntWorld.org In dorsal view, first gastral tergite not narrowed anteriorly Anterior margin of clypeus straight, not projecting Japan AntWorld.org In dorsal view, first gastral tergite not narrowed anteriorly Anterior margin of clypeus straight, not projecting Japan japonica morimotoi revelierei okinawensis AntWorld.org In dorsal view, first gastral tergite clearly narrowed anteriorly PPE posterior border rounded in dorsal view, posterolateral corners rounded PE projecting well ventrally in its posterior part PE ventral spine less developed and pointing horizontally to the thorax Japan AntWorld.org In dorsal view, first gastral tergite clearly narrowed anteriorly PPE posterior border straight in dorsal view, posterolateral corners angulate PE projecting less ventrally in its posterior part PE ventral spine well developed and pointing down with an angle between 20 and 30° Japan