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Gastrophysa cyanea
green dock beetle (female)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Family:	Chrysomelidae
Genus:	Gastrophysa
Species:	G. cyanea
Binomial name
Gastrophysa cyanea F. E. Melsheimer, 1847

Gastrophysa cyanea, the green dock beetle (note: Gastrophysa viridula in Europe is also sometimes called the green dock beetle), is a species of leaf beetle in the family Chrysomelidae. It is found in North America. G. cyanea is 4-5 mm and metallic green. Females can be distinguished by their swollen abdomens prior to egg laying. They emerge in spring and commonly feed on curly dock. Some pinned specimens will turn metallic blue.

References

1. "Gastrophysa cyanea Report". Integrated Taxonomic Information System. Retrieved 2019-09-23.
2. "Gastrophysa cyanea". GBIF. Retrieved 2019-09-23.
3. "Gastrophysa cyanea species Information". BugGuide.net. Retrieved 2019-09-23.
4. Will, Kip; Gross, Joyce; Rubinoff, Daniel; Powell, Jerry A. (2020). Field Guide to California Insects. Oakland, California: University of California Press. p. 258. ISBN 9780520288744.

Further reading

• Flinte, V.; Abejanella, A.; Daccordi, M.; Monteiro, R. F.; et al. (2017). "Chrysomelinae species (Coleoptera, Chrysomelidae) and new biological data from Rio de Janeiro, Brazil. In: Chaboo CS, Schmitt M (Eds) Research on Chrysomelidae 7". ZooKeys (720): 5–22. doi:10.3897/zookeys.720.13963. PMC 5784215. PMID 29391849.
• Lobl, I.; Smetana, A., eds. (2013). Catalogue of Palaearctic Coleoptera, Volume 6: Chrysomeloidea. Apollo Books. ISBN 978-90-04-26091-7.

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• Chrysomelinae
• Beetles described in 1847
• Chrysomelinae stubs