Invasive fire ants are firmly established in the southeastern United States, defending their territory with venomous stings. But a new invasive species, the tawny crazy ant, appears impervious to fire ants’ toxic attacks. A recent study pinpoints the crazy ants’ defensive strategy, which is furthering their domination over not just fire ants, but other insects.

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Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History.