Manacopus Herre [A. W. C. T.] 1940:141 Masc. Gulaphallus falcifer Manacop 1936. Type by being a replacement name. Replacement for Acanthostethus Herre 1939, preoccupied by Acanthostethus Smith 1869 in Hymenoptera. •Valid as Manacopus Herre 1940 -- (White et al. 1984:360 [ref. 13655]). •Synonym of Gulaphallus Herre 1925 -- (Parenti 1989:274 [ref. 13486], Kottelat 2013:284 [ref. 32989]). Current status: Synonym of Gulaphallus Herre 1925. Phallostethidae.