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Chlorocoma externa

5 Spotted-fringe Emerald at suppressed

Chlorocoma externa at suppressed - 9 May 2023
Chlorocoma externa at suppressed - 9 May 2023
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Identification history

Chlorocoma externa 31 May 2023 donhe
Chlorocoma externa 30 May 2023 ibaird
Chlorocoma vertumnaria 30 May 2023 arjay

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User's notes

This is the closest I can get with this one. I love the black spots in the trailing wing fringe. It does have a black spot on each of the wings.

3 comments

ibaird wrote:
   30 May 2023
Terrific photo of the underside. Well done.
ibaird wrote:
   30 May 2023
This is not C. vertumnaria because this moth has no dorsal line on the abdomen. Moths of Victoria (supporting disc to Part 4) provide a comprehensive visual key to the Geometrinae. Several features I think are important in suggesting a likely identification of the species: 1. the single discal spots in both forewing and hindwing are black (ie. not both red or red and black) ; and 2. the termen of hindwing is slightly produced (a point) ; and 3. from above the termen of the hindwing and forewing show black spots. Lepidoptera Butterfly House shows and image of the underside of Chlorocoma externa which I think coincides with this specimen. The antennae are not branched suggesting its a female. Compare with Chlorocoma externa (Spotted-fringe Emerald) , CNM Sigthing No, 3872200.
arjay wrote:
   31 May 2023
The underside photo was easy since it was sitting on a grass stalk that it was too heavy for and so it had tipped upside down. It was getting the upper surface that was difficult and ended up with it walking onto my thumb. So I not only had to keep the camera steady but also my thumb.
I knew I wouldn't have the correct ID. But nice to know it is actually a Chlorocoma.

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Sighting information

  • 1 - 3 Abundance
  • 9 May 2023 09:49 AM Recorded on
  • arjay Recorded by

Additional information

  • Grass Associated plant
  • 12mm to 25mm Animal size
  • Alive / healthy Animal health

Species information

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