Findings of Lethocerus patruelis (Stål, 1855) in Southern Italy have become frequent the last decades. We collected records observations using scientific literature, citizen science programs, and social networks as data sources to create a complete up-to-date dataset. This dataset is made 59 from Apulia, Basilicata, Calabria, Abruzzi regions, 32 which were previously unpublished, spanning 1997 ...