Hyalarcta nigrescens

Ribbed Case Moth at Mount Mugga Mugga

Hyalarcta nigrescens at Mount Mugga Mugga - 27 May 2024
Hyalarcta nigrescens at Mount Mugga Mugga - 27 May 2024
Hyalarcta nigrescens at Mount Mugga Mugga - 27 May 2024
Hyalarcta nigrescens at Mount Mugga Mugga - 27 May 2024
Hyalarcta nigrescens at Mount Mugga Mugga - 27 May 2024
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Identification history

Hyalarcta nigrescens 23 May 2024 donhe
Hyalarcta nigrescens 23 May 2024 Mike
Unidentified 23 May 2024 Mike

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3 comments

Mike wrote:
   23 May 2024
I was sure you were going to ask me to collect it. It wasn't until i got home I found it was one of the seven percent of known larvae. Will it be safer in custody or should I return it to the wild?
donhe wrote:
   24 May 2024
If you look at the LBH website for this species, you will see we need better photos of the larva and the female. Please can you cut the case open (carefully) and photograph the the larva,( lateral and dorsal and ventral views)l and rear it to try and get a female to photogrsph and maybe some eggs ?
Mike wrote:
   27 May 2024
The case had not moved in four days so I cut it open as suggested. Not what I expected. There was a dead hylarcta and a white larva about a cm long. I assume it is a parasitoid fly or wasp larva. If it survives the trauma of being exposed and matures, I will make it another sighting.

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Location information

Sighting information

Additional information

  • eucalyptus Associated plant
  • 12mm to 25mm Animal size

Species information

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  • Nearby sighting(s) of same species
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