Fuente: WIPO "varroa" A thermal pest treatment system for installation in a beehive is disclosed. The system includes a base unit including a heating element, the base unit supporting a brood box of the beehive. A cover unit is provided to a top of a honey super box supported by the brood box, the cover unit including a photovoltaic power generation device and an electrical energy storage device configured to store energy generated by the photovoltaic power generation device. At least one controller of the cover unit controls heating of the heating element to achieve a target treatment temperature within the brood box to perform a heat treatment.