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iNat·69765SpeciesInsecta2,251 field observations
  1. Animals
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  3. ›Hexapods
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  5. ›Winged and Once-winged Insects
  6. ›Beetles
  7. ›Water, Rove, Scarab, Long-horned, Leaf, and Snout Beetles
  8. ›Cucujiform Beetles
  9. ›Leaf Beetles and Allies
  10. ›Leaf Beetles
  11. ›Chrysomelinae
  12. ›Chrysomelini
  13. ›Prasocurina
  14. ›Gastrophysa
Blue Dock Beetle
Plate 1 of 12. (c) Kerry Matz, some rights reserved (CC BY-NC-SA) · via iNaturalist

Blue Dock Beetle

Gastrophysa cyanea

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.

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This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 69765.