Y. KAMITE (2016) Revision of the genus Optioservus SANDERSON, 1953, part 3: The O. elegans species group (Coleoptera: Elmidae). Koleopterologische Rundschau, 86: 205–212
PromoresiaをOptioservusのシノニムに。
Y. KAMITE (2016) Revision of the genus Optioservus SANDERSON, 1953, part 3: The O. elegans species group (Coleoptera: Elmidae). Koleopterologische Rundschau, 86: 205–212
PromoresiaをOptioservusのシノニムに。