Palaeosia bicosta

Two-ribbed Footman at Ainslie, ACT

Palaeosia bicosta at Ainslie, ACT - 3 Apr 2022
Palaeosia bicosta at Ainslie, ACT - 3 Apr 2022
Palaeosia bicosta at Ainslie, ACT - 3 Apr 2022
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Identification history

Palaeosia bicosta 7 Apr 2022 donhe
Palaeosia bicosta 7 Apr 2022 jb2602

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4 comments

ibaird wrote:
   7 Apr 2022
Moths in the ACT p.224.
jb2602 wrote:
   7 Apr 2022
This specimen clearly has two stripes, the first along the costa is what I would call orange, the second is white and this leads into the grey forewing. The controversy seems to be what the colour of the first streak is. If it is yellow followed by white followed by grey, is it P. bicosta? If it is white only streak leading into grey with a yellow head = Palaeosia sp. If it is only white streak leading into grey with a grey head = female Scoliacoma nana.
ibaird wrote:
   7 Apr 2022
OK, having looked at the side-on view of this sighting I can concede this one is probably P. bicosta because there is a light orange and cream streak along the costa. Moths of Victoria recognise two other speciees Palaeosia sp.(1) and Palaeosia sp.(2). Both of these have lighter not cream costas. P. sp(1) has a thin yellow streak bordering the light costa and a yellow head and collar (front of the thorax). So no, I would say a yellow and white costa is not P. bicosta, but Palaeosia (genus) in our terminology. Therefore thats why I say sighting 4430960 is Palaeosia (genus) as is 4430972 also. Palaeosia sp.(2) is described as having a thin black edge at the leading edge of the pale costa at the base fading to yellow toward the apex. There are figurues illustrating the differences on one page at Palaeosia sp.(2) page 2/2 on the disc supporting Part 2 of Moths in Victoria.
jb2602 wrote:
   8 Apr 2022
Thanks for the clarification Ian.

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Nearby sightings

Page 17 of 23 - image sightings only

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Chlorocoma (genus) (Emerald moth) at Ainslie, ACT - 9 Dec 2019 by jbromilow50
Taxeotis subvelaria (Neat Taxeotis) at Ainslie, ACT - 9 Dec 2019 by jbromilow50
Epicoma contristis (Yellow-spotted Epicoma Moth) at Ainslie, ACT - 9 Dec 2019 by jbromilow50
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Yoyetta celis (Silver Princess Cicada) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Amata (genus) (Handmaiden Moth) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
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Scopula rubraria (Reddish Wave, Plantain Moth) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
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Eudonia protorthra (A Scopariine moth) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Philobota philostaura at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Amata (genus) (Handmaiden Moth) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Leptoceridae sp. (family) (Long-horned caddisfly) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Agrotis munda (Brown Cutworm) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Crypsiphona ocultaria (Red-lined Looper Moth) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Xylorycta assimilis (A Xyloryctid moth) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Italochrysa insignis (A Green Lacewing) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Yoyetta celis (Silver Princess Cicada) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Mallada signatus (Green Lacewing) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Neosparassus calligaster (Beautiful Badge Huntsman) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Tortricopsis pyroptis (A Concealer moth (Wingia Group)) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Taxeotis intextata (Looper Moth, Grey Taxeotis) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Lipogya exprimataria (Jagged Bark Moth) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Metasia capnochroa (Smokey Metasia Moth) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Phelotis cognata (Long-fringed Bark Moth) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Bethelium diversicorne (Wattle Longhorn) at Ainslie, ACT - 6 Dec 2019 by jbromilow50
Phacodes personatus (Longhorn beetle) at Ainslie, ACT - 5 Dec 2019 by jbromilow50

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Location information

Sighting information

  • 1 - 3 Abundance
  • 3 Apr 2022 11:41 PM Recorded on
  • jb2602 Recorded by

Additional information

  • 5mm to 12mm Animal size

Species information

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