BioStor
 | New species of COLEOPTERA inhabiting the Pacific district of the United States Leconte John Lawrence (1861) Proceedings of the Academy of Natural Sciences of Philadelphia 13: 338-359 |
 | List of COLEOPTERA collected in the Mountains of Lycoming County, Pa Leconte John Lawrence (1866) Proceedings of the Academy of Natural Sciences of Philadelphia 18: 346-348 |
 | List of COLEOPTERA collected near Fort Whipple, Arizona, by Dr. Elliott Coues, U.S.A., in 1864-65 Leconte John Lawrence (1866) Proceedings of the Academy of Natural Sciences of Philadelphia 18: 348-349 |
 | On the Coleoptera of New Mexico and Arizona, including biologic and other notes C Townsend (1895) The Canadian Entomologist, Ontario 27: 39-51 |
 | 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 |
 | Contributions toward a knowledge of the insect fauna of Lower California. Coleoptera: Halipidae, Dytiscidae, Gyrinidae, Hydrophilidae, Limnebiidae Hugh Bosdin Leech (1948) Proceedings of the California Academy of Sciences 24: 375-484 |