Scientists document a new form of host manipulation where an invading, parasitic ant queen "tricks" ant workers into killing their queen mother. The invading ant integrates herself into the nest by ...

For many ant species, caste determines destiny. Queens grow large, sprout wings, and lay eggs; workers stay small, wingless, and industrious. But how these castes develop—and how a young ant's future ...

A type of parasitic ant takes over the colonies of a related species by inciting the workers to kill their queen, then taking her place. Around 230 species of ants are considered parasites – they lay ...