Why it’s so hard to get rid of Argentine ants.

Meet the worst ants in the world

Why it’s so hard to get rid of Argentine ants. Also some interesting insights on how founder-effect genetic bottlenecks can change the behavior of species as they move into new ecosystems. In their original habitat, each colony fights each other ruthlessly. But when a colony hitches a ride on a ship or train and expands in a new region, all that region’s ants descend from the same colony and read each other as friends, not foes.

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