EN
Research on aphid migration using Johnson’s suction trap has been conducted for nearly 40 years in Poland. They started in 1970 at the Institute of Plant Protection – NRI in Poznań, and since 1998 were also continued at the Agricultural Experimental Station Winna Góra. The use of Johnson’s the suction trap allows to study the species composition of aphids within a radius of 80 km and record the changes in dynamics of their flights during each year. For plant protection the start of migration of economically important aphid species is a special value. Collecting data on aphid migrations for a long-ferm period provides the essential knowledge for development of aphid species forecasting methods during growing seasons.