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Callidemum sp. (genus)

1 Leaf Beetle at Pomona, QLD

Callidemum sp. (genus) at Pomona, QLD - 13 Mar 2021
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Identification history

Callidemum sp. (genus) 15 Mar 2021 michaelb
Callidemum sp. (genus) 15 Mar 2021 michaelb
Unidentified 14 Mar 2021 jenqld

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Author's notes

Possible ID of Callidemum Blanchard suggested by Donna Tomkinson (via Amateur Entomology Australia Facebook Group)

2 comments

   14 Mar 2021
Awesome sighting and thanks for sharing.
jenqld wrote:
   15 Mar 2021
Thanks Aaron and thanks to Donna who tagged an expert on this species, Martin Lagerwey.
Here is his response for the benefit of others ...

"I think this is Callidemum. The genus does intimidate me because it is mostly rainforest species, not my strength, as a Victorian. Callidemum are hard to define and get switched in an out of similar genera like Calomela and Platymela. FYI Here is an extract from Dr. Chris Reid (2006) "Number of species: approximately 70 have been seen in collections, 50 have been described. Host-plants: Elaeocarpaceae (Elaeocarpus, Sloanea); Fabaceae (Acacia); Rutaceae (Citrus); Sapindaceae (Dodonaea); Surianaceae (Guilfoylia). Most species of Callidemum are confined to rainforests, but C. hypochalceum feeds on Dodonaea throughout semi-arid southern Australia." Since yours was found on Acacia, it is probably not C. hypochalceum. but still a known foodplant for Callidemum.
Last month i went to FNQ with Callidemum one of several target beetles. I saw only three... Well, that's hardly scratching the surface.
https://www.inaturalist.org/observations?locale=en...

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Location information

Species information

  • Not Sensitive
  • Local Native
  • Non-Invasive

Sighting information

  • 1 - 3 Abundance
  • 13 Mar 2021 07:05 AM Recorded on
  • jenqld Recorded by

Record quality

  • Images or audio
  • More than one media file
  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
311 sightings of 1872 species in 221 locations from 53 members
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