Pachnaeus opalus

Pachnaeus opalus, the northern citrus root weevil, is a species of broad-nosed weevil in the family Curculionidae. It is found in North America.

References

1 2 3 "Pachnaeus opalus Report". Integrated Taxonomic Information System. Retrieved 2018-03-06.
↑ "Pachnaeus opalus Species Information". BugGuide.net. Retrieved 2018-03-06.
↑ "Pachnaeus opalus Overview". Encyclopedia of Life. Retrieved 2018-03-06.
↑ "Pachnaeus opalus species details". Catalogue of Life. Retrieved 2018-03-06.

Alonso-Zarazaga, Miguel A.; Lyal, Christopher H.C. (1999). A World Catalogue of Families and Genera of Curculionoidea (Insecta: Coleoptera) (Excepting Scotylidae and Platypodidae). Entomopraxis. ISBN 84-605-9994-9.
Arnett, R.H. Jr.; Thomas, M. C.; Skelley, P. E.; Frank, J. H., eds. (2002). American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea. CRC Press. ISBN 978-0-8493-0954-0.
Bright, Donald E.; Bouchard, Patrice (2008). Coleoptera, Curculionidae, Entiminae. Insects and Arachnids of Canada, Part 25. NRC Research Press, Ottawa, Ontario, Canada.
Brown, S.D.J. (2017). "Austromonticola, a new genus of broad-nosed weevil (Coleoptera, Curculionidae, Entiminae) from montane areas of New Zealand". ZooKeys (707): 73–130. Bibcode:2017ZooK..707...73B. doi:10.3897/zookeys.707.12649. PMC 5674147. PMID 29118629.
LeConte, J.L. (1861). Classification of the Coleoptera of North America. Vol. 3. Smithsonian Institution. doi:10.5962/bhl.title.38459. ISBN 0-665-10055-8. {{cite book}}: ISBN / Date incompatibility (help)
O'Brien, Charles W.; Wibmer, Guillermo J. (1982). "Annotated checklist of the weevils (Curculionidae sensu lato) of North America, Central America, and the West Indies (Coleoptera: Curculionoidea)". Memoirs of the American Entomological Institute. 34.
White, Richard E. (1998) [1983]. A Field Guide to the Beetles of North America (Peterson Field Guides). Houghton Mifflin Harcourt. ISBN 0-395-91089-7.

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