Hyperthermia is the use of heat to control Varroa destructor. Various apparatuses have been proposed to effectively apply heat and recently the Bee Ethic system was developed in Italy. The Bee Ethic system is a technological hive consisting of a set of heated frames and an electronic control unit. https://www.bekindtopets.com/hot-mega-Swish-Supreme-Glide-Track-White-great-pick/