BioStor
 | List of the Coleoptera of southern California with notes on habits and descriptions of new species Fall Henry Clinton (1901) Occasional Papers of the California Academy of Sciences, San Francisco 8: 1-282 |
 | Studies of North American weevils W D Pierce (1909) Proceedings of The United States National Museum 37: 325-364 |
 | Miscellaneous contributions to the knowledge of the weevils of the families Attelabidae and Brachyrhinidae W D Pierce (1913) Proceedings of The United States National Museum 45: 365-426 |