The methodological guide includes the biology, ecology and distribution of 98 leaf- and planthopper species from 60 genera and 10 families. The biological cycle of these species are related to various tree species, fruiting and forest shrubs, vine plantations. Cicadas belong to Class Insecta, order Hemiptera, suborder Auchenorrhyncha. The material presented in this work is based on the author own research accumulated during the study and selected from literature. Most leaf- and planthopper species populate the entire surface of the Earth covered with vegetation, from the subarctic to the...