You'd think that the world's biggest bee would be hard to lose track of. But Wallace's Giant Bee — an Indonesian species with a 2.5-inch (6.4 centimeters) wingspan and enormous mandibles — was last ...

The world’s largest bee is a solitary insect known from a small cluster of islands in eastern Indonesia. Wallace’s giant bee, Megachile pluto, has drawn attention because of its size, rarity, and long ...