What black ant is that?

Pestec 2014

ID Features•2 – 2.5mm•Single, raised petiole•White “feet”•Shiny, black gaster•Single nest•Single queen

Ochetellus glaberBlack House ant

ID Features•2.5 – 3.0mm•No raised petiole•White “feet”•Black / Brown gaster with hairs•Multi-nest•50% inter-castes (female reproductives)

Technomyrmex albipesWhite-footed House ant

ID Features•4.0 – 4.5mm•Heart shaped gaster•Gaster can be raised through 180O

•Large nests•Many multi-queen species•Species vary in colour

Crematogaster sp.Acrobat ant

ID Features•1.3 - 1.5mm•White gaster and legs•Multi-nest•Multi-queen

Tapinoma melanocephalumGhost ant

ID Features•6.0mm•Fast moving and aggressive•Compound eyes in middle of head•Colour varies by species•Multi-nest•Multi-queen

Iridomyrmex spp.Tyrant ant

ID Features•5.0 – 7.0mm•Irridescent green / purple colour•Aggressive with painful sting•Tend to forage in sunshine•Single nest / Multi-queen•Queens similar to workers, often forage)

Rhytidoponera metallicaGreen-headed ant

So can you tell the difference?

Black House Ant Argentine Ant White-footed Ant

•Single raised petiole•Shiny black gaster•White feet

•Single raised petiole•Uniform dull, brown colour

•No petiole•Erect hairs on large gaster•White feet

Pacific Invasive Ant Key (PIAKey)

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