Bees have been widely studied and celebrated, but wasps are often overlooked or despised; bees are considered to be industrious while to be "waspish" is to be irritable. Presenting a strong case that this maligned insect is a vital pollinator and pest-controller, ecologist Seirian Sumner intriguingly notes that there are wasps that spend their entire lives sealed inside a fig, wasps that turn cockroaches into living zombies, and even wasps that live inside other wasps.