Distribution of 10 species previously classified as Nebria reflexa in Honshû. Only records with unambiguous identities (i.e., collection sites of type materials and records based on specimens identified by the endophallus) are presented. 1 N. reflexa Bates, 2 N. sagittata sp. nov., 3 N. iidesana sp. nov., 4 N. niohozana Bates, 5 N. furcata sp. nov., 6 N. pisciformis sp. nov., 7 N. kuragadakensis sp. nov., 8 N. dichotoma sp. nov., 9 N. uenoi Nakane, 10 N. chugokuensis sp. nov. indicates the locality where the sympatric occurrence of N. iidesana and N. niohozana was confirmed. Red letters denote the type localities of each species. The blue letter denotes the locality described as the collection site of cotypes of N. niohozana but was not designated as the type locality in the lectotype designation.