Tropical wasps attack intruders with unfamiliar faces

Researchers at Queen Mary University of London in collaboration with the University of Florence, have discovered that a species of tropical wasps can memorize the faces of members of their colony and will attack any individual with an unfamiliar face. These wasps can also recognize the smell of their nestmates, but pay more attention to the unique facial patterns in their species when considering whether an individual is friend or foe. —> Read More Here


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