Fecha de publicación: 04/07/2019 Fuente: WIPO "hive" The present invention relates to the dissemination of biological control agents or other substances through the use of bees, in particular bumblebees. It relates to a disseminator device, installable in or in connection to the hive, and which contains biological control agents or other substances which are picked up, carried and disseminated by the bees when leaving the hive.