A device (D) and a method for controlling the activities of a colony of insects, in particular bees (A) or similar, according to which panel means (1) are adapted to be mounted at the inlet of at least one beehive (Ki) in which said bees (A) live and of electromagnetic sensor means (4,5,5′,7) mounted on said panel means (1), are provided in order to detect conditions of the beehive (Ki) and the passage of said bees (A) from and towards the inside of said beehive (Ki).
