Chrysolina quadrigemina

1 Greater St Johns Wort beetle at Symonston, ACT

Chrysolina quadrigemina at Symonston, ACT - 1 Nov 2020 05:35 PM
Chrysolina quadrigemina at Symonston, ACT - 1 Nov 2020 05:35 PM
Chrysolina quadrigemina at Symonston, ACT - 1 Nov 2020 05:35 PM
Chrysolina quadrigemina at Symonston, ACT - 1 Nov 2020 05:35 PM
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Identification history

Chrysolina quadrigemina 2 Nov 2020 MichaelMulvaney
Unidentified 2 Nov 2020 YellowButton

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User's notes

Each small blade of grass had between 5 - 15 beetles huddled together. There were 3 different fields like this.

1 comment

   2 Nov 2020
This beetle is one of the biological controls tried to keep St Johns Wort under check

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Location information

Sighting information

Additional information

  • on a field of native grass (Not sure of the name) Each small blade had between 5 - 15 beetles huddled together. Associated plant
  • 5mm to 12mm Animal size

Species information

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  • Verified by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
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  • Additional attributes
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