Chrysolina bankii

Chrysolina bankii
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Pancrustacea
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Infraorder: Cucujiformia
Family: Chrysomelidae
Genus: Chrysolina
Subgenus: Chrysolina
Species:
C. bankii
Binomial name
Chrysolina bankii
(Fabricius, 1775)
Synonyms

Chrysolina banksi
Chrysomela bankii

Chrysolina bankii, the bronze beetle or Bank's leaf beetle, is a species of leaf beetle native to western Europe and the western Mediterranean Basin, (including Macaronesia).[1][2] European countries this species lives in include Italy, France, Spain, Portugal, Ireland, and the United Kingdom.[3] It has also been introduced to the US, where its range is expanding.[4] It has an established population in California, where it is present around the San Francisco Bay and has further populations extending north to coastal regions in cities in and around Fort Bragg, and south to northern parts of Monterey County. There is an additional population in Richmond, Virginia.[3] This species lives in various habitats such as open grasslands, meadows, woodland edges, and coastal areas, mainly prefereing those that are open, sunny, and have a variety of plants to feed on.[5][6] Females lay eggs on the underside of leaves. When overwintering, species can mainly be found as larva in cold climates, however adults can also be found in warmer locations.[6]

Chrysolina bankii adults are 8-10.7 mm in length. They are metallic bronze in color, with orange-brown legs. Their elytra have puncture marks.[5] They feed on numerous types of leaves, but especially those in Asteraceae and Lamiaceae. Ribwort plantain is also a favorite plant for this species to feed on.[4][5][7]

Eating a broadleaf plantain

References

  1. ↑ Fauna Europaea
  2. ↑ Warchalowski, A. (2003) Chrysomelidae. The Leaf-beetles of Europe and the Mediterranean Area. Warsawa: Natura Optima Dux.
  3. 1 2 "Chrysolina bankii". www.gbif.org. Retrieved 2026-08-18.
  4. 1 2 Beucke, Kyle (2022-05-25). "Chrysolina bankii (Fabricius): a leaf beetle". Pest Rating Proposals and Final Ratings. Retrieved 2022-07-24.
  5. 1 2 3 "Chrysolina banksi (Fabricius, 1775) | UK Beetle Recording". www.coleoptera.org.uk. Retrieved 2022-07-24.
  6. 1 2 "Chrysolina banksii - Wildlife Natural". www.wildlifenatural.com. Retrieved 2026-08-18.
  7. ↑ "Species Chrysolina bankii". www.bugguide.net. Retrieved 2026-08-18.


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