One of the aims of the LIFE STOPVESPA Project is the development of a new technology for the control of Vespa velutina populations: the harmonic radar, which allows tracking yellow-legged hornets and detecting their nests. Once discovered, nests are removed before new founder queens could emerge. The aim of the LIFE STOPVESPA Project is to provide an innovative technology that will be particularly useful in new invasion’s outbreaks or beyond the colonized front,