Nowe stanowiska mszyc z rodzaju Eulachnus Del GUERCIO, 1909 (Hemiptera: Aphididae: Lachninae) w południowej Polsce

New distributional data and notes on the biology of six species from the genus Eulachnus are given. New locations are situated in the Trzebnickie Hills, Upper Silesia, Krakowsko-Wieluńska Upland, Western Beskidy Mts. and Eastern Sudetes Mts. The species have been recorded for the first time in the Trzebnickie Hills, Krakowsko-Wieluńska Upland and Eastern Beskidy Mts. New locations of E. alticola, E. cembrae and E. nigricola are the second locations of this species in Poland since the first record.