Chrysolina quadrigemina

Greater St Johns Wort beetle at Tuggeranong DC, ACT

Chrysolina quadrigemina at Tuggeranong DC, ACT - 21 Oct 2019
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Identification history

Chrysolina quadrigemina 26 Oct 2019 AlisonMilton
Unidentified 26 Oct 2019 SandraH

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User's notes

This beetle defoliates the St John's Wort plant, eats the flower buds. A couple of years ago noticed them on the plants at Kambah Pool end of the track, now at the Tuggeranong Creek end in big numbers

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Location information

Sighting information

  • 1,001 - 10,000 Abundance
  • 21 Oct 2019 09:08 AM Recorded on
  • SandraH Recorded by

Additional information

  • St John's Wort. Many plants in some area had hundreds of beetles, others only a few. Many more beetles than in previous years Associated plant
  • Less than 5mm Animal size

Species information

Record quality

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