These ants are active at night

Yellow crazy ant

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Yellow crazy ant worker (© Alex Wild

African big-headed ant

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African big-headed ant large (major) worker (© Alex Wild

Tawny crazy ant

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Tawny crazy ant worker (© Mike Quinn,, Creative Commons License)

Singapore ant

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A close-up of a Singapore ant worker (© Eli Sarnat, Creative Commons Attribution, Share Alike CC BY-SA License)

Black crazy ant

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Black crazy ant worker (© Alex Wild
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