Pheidole sp. (genus)

Seed-harvesting ant at Lyneham, ACT

Pheidole sp. (genus) at Lyneham, ACT - 10 Oct 2018
Pheidole sp. (genus) at Lyneham, ACT - 10 Oct 2018
Pheidole sp. (genus) at Lyneham, ACT - 10 Oct 2018
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Identification history

Pheidole sp. (genus) 12 Oct 2018 JonLewis
Pheidole sp. (genus) 12 Oct 2018 KimPullen
Unidentified 12 Oct 2018 MichaelMulvaney

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User's notes

A very large colony of very tiny ants was discovered inside a tree (at head height) cut down yesterday in my backyard. The hollow where they were living was inside of the trunk and goes all the way to root level. The ants are very tiny but the colony had huge numbers. I've checked with a termite control firm and they advise that they are in fact ants but could not tell me the species. They are pale coloured and hard to spot on the ground due to tiny size and colour. I'm curious if anyone can identify them. Veronika

10 comments

Mike wrote:
   12 Oct 2018
Hard to say because it depends on what is 'very tiny' and 'pale' but I would suggest Argentine ants. Catch some with a strip of sticky tape so they can be examined by an expert.
   12 Oct 2018
Mike are you seeing an image?
michaelb wrote:
   12 Oct 2018
No photo here - we are getting too many of these
Mike wrote:
   12 Oct 2018
No photo. I assumed you were posting a report from Veronika so it could be followed up.
michaelb wrote:
   12 Oct 2018
Pics added from MM's email.
The files had the suffix ".jpeg" ---- I converted them to ".jpg" files and they loaded successfully.
Mike wrote:
   12 Oct 2018
I have only seen worker ants in trails across the floor and up the walls but these could be Argentine ants Linepithema humile. I always expect the worst in house and garden sightings.
   12 Oct 2018
Thanks Michael B - your a genius
KimPullen wrote:
   12 Oct 2018
One of the ants (top of the image) has a very large head and mandibles, characteristic of a Pheidole major worker. And the minor workers of Pheidole are certainly small.
Mike wrote:
   13 Oct 2018
I am happy to find my gloomy suggestion was wrong.
michaelb wrote:
   13 Oct 2018
Cropped image added for use on the "Species" page.
https://canberra.naturemapr.org/Community/Species/23172

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Location information

Sighting information

  • 101 - 1,000 Abundance
  • 10 Oct 2018 08:12 PM Recorded on
  • MichaelMulvaney Recorded by

Additional information

  • Less than 5mm Animal size

Species information

Record quality

  • Images or audio
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  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
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