An entomologist in the 1960s named this lifestyle “eusocial” behavior, and first applied it to bees who live in hives, with multiple generations that take cooperative care of their young, and have distinct roles where only some reproduce. Eusocial literally means “truly social.” It’s a highly complex social lifestyle, full of defined rules of relationality and collaboration. It has since been found to apply to lots of insects, not just bees; termites are eusocial, as are ants, ambrosia beetles, and at least one type of aphid. A coral reef-dwelling shrimp can be eusocial, extending the concept
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