EN
As a result of the investigation on Aculeata (Hymenoptera) carried out in the years 1992-1996 and 2003-2005 in railway areas in Łódź, 114 species were found. Chrysis equestris, Ch. gracillima, Dolichurus corniculus, Passaloecus clypealis, Solierella compedita and Tachysphex fulvitarsis are rare species in Poland.