They mainly eat insects, especially bees and wasps, and berries. Larvae live parasitically in the nests of various solitary bees and wasps. These nests are small compared to honeybee hives, which hold about 50,000 bees. European honey bees and bats are reported pollinators. Haplodiploidy is found in insects belonging to Hymenoptera, such as ants and bees. Some farmers captured swarms of wild bees and cultivated honey. This system is typical in bees and wasps. Its pollens are not poisonous for honey bees. The family Formicidae belongs to the order Hymenoptera, which also includes sawflies, bees, and wasps. Swarming creates a vulnerable time in the life of honey bees. They are pollinated by small bees and flies. An example is in his experiments with foraging honey bees. Depictions of humans collecting honey from wild bees date to 10,000 years ago. The flowers are hermaphroditic and pollinated by bees and flies. Efforts also have been made to breed for changes in the honey bees.