Uroleucon cichorii (Koch, 1855) Aphis intybii (Koch, 1855) and Aphis fabae cirsiiacanthoidis Scopoli, 1763 colonies occurred on Cichorium intybus L., Cirsium arvense (L.) Scop. was colonised by Aphis fabae cirsiiacanthoidis. Artemisia vulgaris L. accommodated Macrosiphoniella artemisiae (Boyer de Fonscolombe, 1841). The annual Crepis setosa Haller was the host plant of Uroleucon cirsii (Linnaeus, 1758) and Uroleucon cichorii. The perennial Picris hieracioides L. also accommodated Uroleucon cirsii. Centaurea arenaria M. Bieb. ex Willd. and Centaurea stoebe L. subsp. micranthos (Gugler) Hayek accommodated Uroleucon jaceae (Linnaeus, 1758). Carduus acanthoides L. was colonized by Uroleucon aeneum (Hille Ris Lambers, 1939). Artemisia absinthium L. was the host of Macrosiphoniella absinthii (Linnaeus, 1758). Achillea millefolium L. was colonized by Macrosiphoniella millefolii (De Geer, 1773).
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.