Pachyrhynchus elenae Rukmane, 2016, a new synonym of Pachyrhynchus phaleratus Waterhouse, 1841 (Coleoptera: Curculionidae: Entiminae).

Pachyrhynchus phaleratus Waterhouse, 1841, an entimine weevil belonging to the tribe Pachyrhynchini Schoenherr, 1826, was originally described from "the Philippine Islands", based on material collected by Hugh Cuming (Waterhouse 1841). The precise type locality of this species is unknown, but Schultze (1923) recorded it from Catanduanes Island in the Bicol region of Luzon, Philippines.