The Rhipiceridae of Taiwan and Japan (Insecta: Coleoptera: Dascilloidea). Zoological Studies 44(4): 437-444. Species of the family Rhipiceridae in Taiwan and Japan are reviewed. Three known species are regarded as valid: Sandalus kani Sakai and Sakai (1981), S. segnis Lewis (1887), and S. sauteri Emden (1924). Sandalus takizawai Nakane (1985) is a junior synonym of S. sauteri Emden. Sandalus taiwanicus Lee et al., sp. nov. and S. sauteri lanyuensis Lee et al., ssp. nov. are described and S. segnis Lewis (1887) is recorded in Taiwan for the first time.