Two Collembola species are recorded as new for the fauna of Hungary. Tetracanthella pericarpatica Kaprus &Tsalan, 2009 (Isotomidae), previously known only from the Transcarpathian Lowland and Roztochchia Hill (Ukraine), wascollected in a oak-ash-elm lowland forest in Western Hungary. Some corrections and additions to the original description aregiven. The xerophilous species Xenylla uniseta Da Gama, 1963 (Hypogastruridae), found mostly in Mediterranean countries, wascollected in meadow steppe habitats near Budapest. An updated description is provided with emphasis on the first instar.