Iridomyrmex sp. (genus)

Ant at Copmanhurst, NSW

Iridomyrmex sp. (genus) at Copmanhurst, NSW - suppressed
Iridomyrmex sp. (genus) at Copmanhurst, NSW - suppressed
Iridomyrmex sp. (genus) at Copmanhurst, NSW - suppressed
Iridomyrmex sp. (genus) at Copmanhurst, NSW - suppressed
Iridomyrmex sp. (genus) at Copmanhurst, NSW - suppressed
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Identification history

Iridomyrmex sp. (genus) Yesterday JonLewis
Unverified Yesterday MazzV

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User's notes

I believe these tiny black ants are a species extremely common in this location, with nests involving millions. They have no hesitation in nipping/stinging you if they climb on you and they are quite invasive to human habitat, especially in the days leading up to a rain event. Once established, however, they remain there. Only in closeup, and at certain angles, are 2 feint white lateral bands across the abdomen visible on this sightings subject (photos 1, 3 & 4). If these are the ones I’m thinking of, they are the same species as at sighting 4664475, and inclined to stick their abdomens up in the air at a roughly 45 degree angle. That was not observed on this occasion. The background is a relatively new concrete path.

1 comment

JonLewis wrote:
   Yesterday
Hi MazzV, many species of Iridomyrmex are as you describe - large nests with thousands or tens of thousands of ants, and very happy to defend their space with plenty of bites (they don't have a sting - some ants have stings and some don't - Iridomyrmex don't). Cheers.

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Location information

Sighting information

Additional information

  • Less than 5mm Animal size

Species information

  • Iridomyrmex sp. (genus) Scientific name
  • Ant Common name
  • Not Sensitive
  • Local native
  • Non-invasive or negligible
  • Up to 817.2m Recorded at altitude
  • 408 images trained Machine learning
  • External link More information

Record quality

  • Images or audio
  • More than one media file
  • Verified by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
812,836 sightings of 22,138 species from 13,878 members
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