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Most wasp species are solitary but some live in groups (called colonies) and work together. Social wasps are divided into three classes, just like bees: queens (large females who build the nest and lay eggs), workers (small females who build nests and feed the young), and drones (males).
Every winter, all the wasps die except new, mated queens, who burrow into leaves or soil to survive. Then they start a new nest with the eggs they hatch out in spring.