BioStor
 | A list of Kansas Coleoptera Popenoe Edwin Alonzo (1877) Transactions of the Kansas Academy of Science, Topeka 5: 21-40 |
 | The insects of Wallace County, Kansas Snow Francis Huntington (1878) Transactions of the Kansas Academy of Science, Topeka 6: 61-70 |
 | Contributions towards the knowledge of the coleopterous fauna of West Sumatra Ritsema Conrad Cz. (1890) Notes from the Leyden Museum 12: 29-40 |
 | VII.—Coleopterlogical Notices. IV T L Casey (1892) Annals of the New York Academy of Sciences 6: 359-712 |
 | 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 |
 | List of beetles collected in the months of August and September 1900 in Surinam (Dutch Guyana) and on the island of Barbados D L Uyttenboogaart (1902) Tijdschrift voor Entomologie 45(1/2): 112-121 |
 | A catalogue of the Coleoptera of Colorado H Wickham (1902) Bulletin from the Laboratories of Natural History of the State University of Iowa 5: 217-310 |
 | Checklist of the coleopterous insects of Mexico, Cantral America, the West Indies, and South America. Part 5. Richard E Blackwelder (1947) Bulletin of the United States National Museum 185: 765-925 |
 | A study of the Zygopinae (Coleoptera; Curculionidae) of America north of Mexico, I (1963) Bulletin of The Southern California Academy of Sciences 62: 209-220 |
 | Zygops Schoenherr, 1825 (Insecta, Coleoptera): proposed conservation by the suppression of Eccoptus Dejean, 1821 C W O'brien and G J Wibmer (1986) Bulletin of Zoological Nomenclature 43: 69-71 |
 | Weevils of the genera Archocopturus heller and Zygopsella champion : sibling species and mimetic homoplasy (Coleoptera: Cucurlionidae: Conoderinae) Henry A Hespenheide (2005) Proceedings of the Entomological Society of Washington 107: 671-685 |