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

Table 3. The characteristics of population dynamics for Hyphantria cunea Drury at station Tolna 1 St generation 2nd gene ration Year Year number P number P 1963 68 0. 94 147 1. 93 1964 243 3. 35 325 4. 27 1965 169 2. 33 228 3. 00 1966 222 3. 06 37. 0. 49 1967 32 0.44 54 0. 71 1968 93 1. 28 153 2. 01 1969 91 1. 25 227 2. 98 1970 112 1. 54 78 1. 02 1971 65 0. 90 0 0.00 1972 2 H 0. 39 3 0. 04 1973 63 0. 87 163 2.14 1974 50 0. 6» 35 0. 46 1975 19 0. 26 26 0. 34 1976 54 0. 74 110 1. 44 X g 72. 5 76.1 Table 4. The characteristics of population dynamics for Hyphantria cunea Drury at station Tompa 1 St generati on 2nd generation Year Year number P number P 1963 59 0. 36 109 0. 57 1964 273 1. 65 309 1. 63 1965 206 1. 24 206 1. 08 1966 127 0. 77 28 0.15 1967 114 0. 69 65 0.34 1968 339 ?.. 04 1192 6. 28 1969 710 4. 28 592 3.12 1970 783 4. 72 435 2.19 1971 330 1. 99 46 0. 24 1972 18 0.11 0 0.00 1973 101 0. 61 183 0. 96 1974 59 0.36 104 0. 55 1975 33 0. 20 168 0. 88 1976 1115 6. 73 736 3.88 X g 165. 7 189. 7