In the present work, new faunal reports for northeastern Italy and Slovenia are provided: Stomis philospelaeusMonzini, 2018 (Carabidae) is recorded in a new locality; Anthaxia senicula (Schrank, 1789) (Buprestidae) and Hoshihananomia gacognei (Mulsant, 1852) (Mordellidae) are recorded in the Veneto region for the first time. Acallocrates colonnelliiBahr, 2003 (Curculionidae) is newly recorded from Italy while Sphaerosoma pilosum (Panzer, 1793) (Alexiidae) and Mordellistena michalki Ermisch, 1956 (Mordellidae) are new additions to the Slovenian fauna. Furthermore, new or additional data on the exotic Cis chinensis Lawrence, 1991 (Ciidae), Chydarteres striatus (Fabricius, 1787), Cordylomera spinicornis (Fabricius, 1775), Neoplocaederus viridescens (Atkinson, 1953) (Cerambycidae) and Telephanus atricapillus Erichson, 1846 (Silvanidae) are given.