Chelepteryx collesi

White-stemmed Gum Moth at Hughes, ACT

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Chelepteryx collesi GlennCocking 3 May 2020
Chelepteryx collesi JackyF 22 Sep 2019

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User's notes

Large empty cocoon with brown hairs on outside and bits of empty shiny brown chrysalis inside, on dead gum trunk about 1.2 m from ground

5 comments

   23 Sep 2019
A bit small for Chelepteryx collesi, and the silk is not smoothly streamlined onto the trunk like C. collesi cocoons usually are.
   23 Sep 2019
Don - Sorry, I have attached a slightly better photo with ruler next to it, but probably not good enough to help.
   24 Sep 2019
I do not know any moth species that just attach an ellipsoidal cocoon with no camouflage vertically on a trunk like that. It is so conspicuous. But there many cocoons I do not know.
Its form suggests Bombycoidea.
I think it is too large for local Lasiocampidae, Eupterotidae, or Saturniidae; and Sphingidae usually pupate under the soil. For Anthelidae, I think it is too large for an Anthela species. The next largest to C. collesi is C. chalepteryx, but that caterpillar feeds on Acacia species, so its cocoon would be unlikely to be on a Gum trunk. Quite a puzzle.
   3 May 2020
C. collesi do spin cocoons in open sight (although usually under some sort of overhang), apparentlyre relying on the tough spined cocoon rather than disguise.
   3 May 2020
Thanks so much.

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Sighting information

  • 1 Abundance
  • 23 Sep 2019 10:10 AM Recorded on
  • JackyF Recorded by
  • Dead gum Associated plant
  • 50mm or larger Animal size

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