Corixa toyohirae Matsumura, 1905a: 61. ST(S): Japan, Toyohira nr Sapporo; EIHU (1 spec., status unclear).
Corixa maikoensis Matsumura, 1915: 113 (syn. Kanyukova, 1988a: 743). STS: 2 spec., Japan, Hokkaido, Tagasago, and Honshu, Maiko; EIHU.
Sigara asahinai Jaczewski, 1961b: 437 (syn. Jaczewski, 1961b: 438, suspected; Miyamoto, 1977a: 38, with S. maikoensis; Kerzhner & Kanyukova, 1983: 37, with S. toyohirae). HT: male (slide), Japan, Tokyo, Kami-Osaki; OXUM.