Alcecoris linyangorum Yasunaga, Yamada & Tsai, 2017: 424. New name for Sophianus formosanus C.S. Lin & C.T. Yang, 2004.
Sophianus formosanus C.S. Lin & C.T. Yang, 2004: 28, 36 (junior secondary homonym of Alcecoris formosanus C.S. Lin, 2004). HT (C.S. Lin & Chan, 2008): male, Taiwan, Pintung, Kenting Park; NMNS.