Kitano, T., Tahira, Y. Kohno, H.（2019）Discovery of the Family Spercheidae from Japan, with Redescription to Spercheus stangli Schwarz et Barber, 1917 (Coleoptera, Hydrophiloidea)．Elytra, New Series, 9: 291-295. 日本産水生甲虫に「科レベ…