BioStor
 | Neue exotische Russelkafer (1886) Deutsche Entomologische Zeitschrift 30: 337-372 |
 | IV. The Bhynchophorous Coleoptera of Japan. Part IV.* Otiorhynchidæ and Sitonides, and a genus of doubtful position from the Kurile Islands David Shaep (1896) Transactions of The Royal Entomological Society of London 44: 81-115 |