Chrysochus auratus

Chrysochus auratus, the dogbane beetle,[1] of eastern North America, is a member of the leaf beetle subfamily Eumolpinae. It is primarily found east of the Rocky Mountains. One of the brightest in its family, it is iridescent blue-green with a metallic copper, golden or crimson shine. Its diet mainly consists of dogbane (Apocynum), specifically Apocynum cannabinum and Apocynum androsaemifolium, and occasionally it eats milkweed. It measures between 8 and 11 mm (less than 0.5 inches) and has a convex, oval shape.[2]

Dogbane beetle
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Chrysomelidae
Subfamily: Eumolpinae
Tribe: Eumolpini
Genus: Chrysochus
Species:
C. auratus
Binomial name
Chrysochus auratus
(Fabricius, 1775)
Synonyms

Chrysomela aurata Fabricius, 1775

At least two regions of sympatry between C. auratus and Chrysochus cobaltinus have been documented in western North America.[3]

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References
  1. Bartlett, Troy (13 May 2017). "Species Chrysochus auratus - Dogbane Beetle". BugGuide. Retrieved 3 December 2019.
  2. The Editors of Encyclopaedia Britannica (12 September 2008). "Dogbane beetle". Encyclopaedia Britannica. Retrieved 3 December 2019.
  3. Peterson, M. A.; Dobler, S.; Holland, J.; T., L.; Locke, S. (2001). "Behavioral, Molecular, and Morphological Evidence for a Hybrid Zone Between Chrysochus auratus and C. cobaltinus (Coleoptera: Chrysomelidae)" (PDF). Annals of the Entomological Society of America. 94 (1): 1–10. doi:10.1603/0013-8746(2001)094[0001:BMAMEF]2.0.CO;2.
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