Portable device for antiviral treatment of hives, intended to introduce vaporized oxalic acid into a hive for elimination of parasites of the mite Varroa destructor, which comprises: - a body (1) of essentially elongated geometry, with a front end (2), a central sector and a rear end (3), - an application nozzle (4), located at the front end (2), - a fan (5) located at the rear end (3) for creation of an air current, - a torch (6) located at the rear end (3) for heat generation, and - a handle (7) projecting from the central sector of the body (1), the device being characterized in that the body (1) additionally comprises: - a chamber (8) for receiving oxalic acid in the solid state intended to be vaporized, - a heat input duct (10) for introducing heat energy from the torch (6) inside the chamber (8) for vaporization of solid oxalic acid, - a steam outlet duct (11) for extracting vaporized oxalic acid from inside the chamber (8) towards the application nozzle (4), - an air inlet duct (9) for introducing into the chamber (8) an air flow from the fan (5) for driving the vaporized oxalic acid towards the steam outlet duct (11), and - a lid (12) for introducing the solid oxalic acid into the interior of the chamber (8). (Machine-translation by Google Translate, not legally binding)1. Dispositivo portátil para tratamiento antivarroa de colmenas, destinado a introducir ácido oxálico vaporizado en el interior de una colmena para eliminación de parásitos del ácaro Varroa destructor, que comprende: - un cuerpo (1) de geometría esencialmente alargada, con un extremo anterior (2), un sector central y un extremo posterior (3), - una boquilla (4) de aplicación, localizada en el extremo anterior (2), - un ventilador (5) localizado en el extremo posterior (3) para creación de una corriente de aire, - un soplete (6) localizado en el extremo posterior (3) para generación de calor, y - un mango (7) que se proyecta desde el sector central del cuerpo (1), estando el dispositivo caract
