Idaea costaria

White-edged Wave at O'Connor, ACT

Idaea costaria at O'Connor, ACT - 1 Oct 2017
Idaea costaria at O'Connor, ACT - 1 Oct 2017
Idaea costaria at O'Connor, ACT - 1 Oct 2017
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Identification history

Idaea costaria 23 Nov 2017 GlennCocking
Idaea costaria 18 Nov 2017 ibaird

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User's notes

Attracted to MV light at night.

1 comment

ibaird wrote:
   19 Nov 2017
Moths of Victoria, Part 3, on the supporting CDs for Idaea spp. gives some useful guidelines for distinguishing I. costaria and I. inversata, two similar species, in the field. I. costaria is generally smaller and has a two toned head where the white base of the antennae joins the head, whereas I. inversata is a larger moth and is usually more strongly coloured, and does not have this two-toned feature with basically a black head.and antennae. Both species show a purplish tinge in most specimens, I. inversata more so than I. costaria, While there is not a good view of the head in this specimen there is a slight whitish colouration of the base of the antennae where they join the head which is suggestive of I. costaria. Also I. inversata shows more rounded hindwings, which this specimen does not show. On this basis I am therefore suggesting I. costaria.

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Location information

Sighting information

  • 1 Abundance
  • 1 Oct 2017 09:25 PM Recorded on
  • ibaird Recorded by

Additional information

  • 12mm to 25mm Animal size

Species information

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