S. Mahunka szerk.: Folia Entomologica Hungarica 33/2. (Budapest, 1980)

J 1962 1963 1964 1965 /965 /367 i960 7969 1970 197} 1972 1973 1974 1975 Fig. 4: The calculated values of coefficient of population measured at Budakeszi in the years 1962-1975 (above), and the power spectrum (below) for Lymantria dispar L.