Green bees, belonging to the family Green Bees, also translated as cuckoo bees and red-tailed bees, are mostly distributed in parts of North China.The method of laying eggs is strange. Green bees lay their eggs in the nests of bees and wasps, or on the skin of other larvae. After the larvae hatch, they usually eat the food in the hive, even the small larvae of bees and wasps.Falling off, scientists call this phenomenon “borrowing eggs”.