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Tetramorium bicarinatum is an Asian species that is now found in warmer climates around the world. Orlando, Florida, USA
Tetramorium bicarinatum is an Asian species that is now found in warmer climates around the world. Orlando, Florida, USA
Pheidole megacephala, the big-headed ant, is one of the world's most damaging invasive ant species. Durban, South Africa
Ants (Pheidole megacephala) tending aphids for honeydew. The tight association of ants and aphids give the ants a significant carbohydrate boost and the aphids protection from predators. St. Lucia, KZN, South Africa
Pheidole megacephala, the big-headed ant, is one of the world's most damaging invasive ant species. Durban, South Africa
Argentine ants (Linepithema humile), an aggressive pest species introduced by human commerce to California, attack a native Pogonomyrmex harvester ant. Native ants in many places around the world have disappeared in areas invaded by Argentine ants. Davis, California, USA
Argentine ants (Linepithema humile), an aggressive pest species introduced by human commerce to California, attack a native Pogonomyrmex harvester ant. Native ants in many places around the world have disappeared in areas invaded by Argentine ants. Davis, California, USA
Argentine ants (Linepithema humile) fighting. Argentine ants typically form large supercolonies comprising millions of ants and thousands of nests. Within these massive supercolonies fighting is rare, but ants from neighboring supercolonies readily attack each other. Córdoba, Argentina
Argentine ants (Linepithema humile tending scale insects on an orange tree in suburban California. Davis, California, USA
Pheidole megacephala, the big-headed ant, is one of the world's most damaging invasive ant species.

Durban, South Africa
Pheidole megacephala, the big-headed ant, is one of the world's most damaging invasive ant species. Durban, South Africa
Pheidole megacephala, the big-headed ant, is one of the world's most damaging invasive ant species.

Durban, South Africa
See photo in original gallery.
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all images and text © Alex Wild 2001-2013