In accordance with Legislative Decree No. 194 of 17 March 1995, active substances used as phytosanitary products are subject to the previous issuance of an authorization by the Ministry of Health. As referred to in this Circular, phytosanitary products containing pheromones are subject to the issuance of the authorization, only in case they are used for pest-fighting purposes. On the other hand, the authorization is not compulsory for pheromones used for monitoring purposes and for the massive c