Descriptions of new species of the family Bethylidae from the Ryukyus, and taxonomic notes on the Japanese species of the genus Sclerodermus. Yamane, Sk.; Ikudome, S.; Terayama, M.Identification guide to the Aculeata of the Nansei Islands., Hokkaido University Press, Sapporo, 1999: overall pagination unknown. Chapter pagination: 701-725. 707 [Zoological Record Volume 138]