A new species of Lyctocoridae (Hemiptera: Heteroptera: Cimicoidea) feeding on the exuded sap of Sawtooth Oak, Quercus acutissima, in Japan Author Yamada, Kazutaka Author Yasunaga, Tomohide Author Ichikawa, Toshihide text Zootaxa 2012 3525 65 74 journal article 10.5281/zenodo.282727 98295ed8-07d9-4b7f-92d8-76db87aae479 1175-5326 282727 Key to Japanese species of Lyctocoris 1. Hemelytra almost yellowish transparent.......................................................... L. beneficus - Hemelytra almost black or blackish brown................................................................ 2 2. Hemelytra uniformly black, with pale brown apical clavus and basal embolium........................... L. obscurus - Hemelytra blackish brown, with some pale yellow markings................. L. ichikawai Yamada & Yasunaga sp. nov.