Author gives a report on the partial results of the regular collections made between 1990 and 1999 on ornamental trees and shrubs, on streets, in parks, in green spaces of housing estates, in private gardens and in arboreta. A total of 45 aphid species were found belonging to 2 families. Phylloxerina populi (del Guercio, 1900), Cinara cedri Mimeur, 1936, Neotrama caudata del Guercio, 1909, Protrama ranunculi (del Guercio, 1909), Aphis catalpae Mamontova, 1950, Ovatomyzus boraginacearum Eastop, 1952 and Uroleucon taraxaci (Kaltenbach, 1843) are new for the Hungarian fauna.