The total number of recorded butterfly species in the world is about 20,000, and China accounts for about 2,153 species. Among the 158 families of Lepidoptera, there are 18 families of butterflies. The number of butterflies is greatest in the Amazon River Basin of South America, followed by Southeast Asia. The most beautiful and ornamental butterflies in the world are mostly produced in countries such as Brazil and Peru in South America. The internationally protected species are mostly distributed in Southeast Asia, such as Indonesia, Papua New Guinea and other countries. Different humidity environments and different plant communities are formed in the same area and at different altitudes, and accordingly many different butterfly populations are formed.
