Chrysolina quadrigemina

Greater St Johns Wort beetle at Wodonga, VIC

Chrysolina quadrigemina at Wodonga, VIC - 29 Oct 2021
Chrysolina quadrigemina at Wodonga, VIC - 29 Oct 2021
Chrysolina quadrigemina at Wodonga, VIC - 29 Oct 2021
Chrysolina quadrigemina at Wodonga, VIC - 29 Oct 2021
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Identification history

Chrysolina quadrigemina 30 Oct 2021 MichaelMulvaney
Chrysolina quadrigemina 29 Oct 2021 ClaireSee
Unidentified 29 Oct 2021 KylieWaldon

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User's notes

Got better photos of these beetles today.

2 comments

ClaireSee wrote:
   29 Oct 2021
Just about the only beetle I know. Biological control for St Johns Wort. Reasonably effective locally i believe
KylieWaldon wrote:
   29 Oct 2021
Thanks Claire. Then, yes - it does do a great job. Every SJW I get them on is dying! Lets hope when they run out they don't eat something endangered!

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Location information

Sighting information

Additional information

  • mostly St Johns Wort Associated plant
  • 5mm to 12mm Animal size

Species information

Record quality

  • Images or audio
  • More than one media file
  • Verified by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
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