Abstract
In writing this paper I am much indebted to Mr. A. WATSON, British Museum (Natural History), London, for his advice and for his kind offices which enabled my examination of the rich collection of the Arctiidae under his curation. I wish to thank Dr. T. KUMATA, Hokkaido University, Sapporo, and Dr. R. GAEDIKE, Abt. Taxonomie der Insekten, Institut fur Pflanzenschutzforschung der AdL. Bereich, Eberswalde, who provided me facilities in examining the type-series under their cares. I am also indebted to Dr. D. STUNING, Museum Alexander Koening, Bonn, for the loan of paratypes of Lithosia chekiangica DANIEL. I am grateful to the following friends for their gifts of specimens : S. AZUMA, B-S. CHANG, K. DEGUCHI, A. KAWABE, S. KINOSHITA, Y. KISHIDA, T. MASUI, I. OHTSUKA, M. OWADA, M. SAIKAWA, R. SATO and S. SUGI. All the specimens including the type-series of the new taxa recorded in this paper are preserved in my collection, excepting those specified.