Army ants (Eciton hamatum) forming a bivouac on Barro Colorado Island in the Panama Canal Nature Picture Library / Alamy Stock Photo
Army ants are a force to be reckoned with in Central and South American rainforests, frequently raiding other social insects’ nests for vulnerable larvae and pupae. A computer simulation suggests that the insects have come up with a strategy to boost the speed and efficiency of their raids, by temporarily storing the food from a raid in a nearby cache.
Hilário Póvoas de Lima at the University of São Paulo in Brazil and his colleagues…
