Increasingly worrying reports continue to spread about the decline in the bee population. Ecological groups, knowing the importance of bees, continue to put pressure on governments to protect them. Government institutions prohibit only part of the products that are toxic to bees. Besides, climate change continues to accelerate and the habitat in which bees live continues to decline. Role of bees Bees are hymenoptera insects of the Apoidea super-family, as well as another important pollinating insect, the hornet. The best known species of bees and the most important for humans, is the Apis mellifera, one of the European types of bees. It is a domestic species used for the production of honey, also the artificial hives are placed in the vicinity of fields and crops to encourage pollination of plants. This is undoubtedly one of the most important roles played by bees. The use of pesticides, some of which are prohibited by the European Union, is responsible for the death of these bees, a