Lauraceous host plants of six species of Stephanitis from Japan: A. Lindera glauca from Honshu, damaged by S. (Stephanitis) ambigua; Machilus thunbergii (B), Neolitsea sericea (C) and Cinnamomum camphora (D) from Honshu, all damaged by S. (Norba) aperta; E. M. thunbergii from Okinawa Island, damaged by S. (N.) exigua; Litsea japonica (F) from Kakeroma Island and C. yabunikkei (G) from Tokashiki Island, both damaged by S. (N.) hayashii sp. nov.; H. M. thunbergii from Amami-Oshima Island, damaged by S. (N.) hiurai; I. Lit. japonica from Miyako Island, damaged by S. (N.) ishikawai sp. nov.