The present invention relates to a sustained release acaricide from essential oil clove (Syzygium aromaticum) as an active element, more specifically eugenol, as an alternative to the use of commercial chemicals to attack, diminishing and eradicating the varroasis in beekeeping, without altering the behavior of the hives and reducing the risks of weakening during the treatment, as well as using a prolonged release element. Said invention comprises an extended release container with a hook-type fastener, a chord-like extension of a size of 10cm in length and of semi-flexible material, preferably cotton, a bag-type container or sack of porous polypropylene TNT fabric material and retention of the active, wherein at least eight grams of plastic beads or odor polyethylene are placed with a size in a range of up three to five millimeters, impregnated with the active element at a concentration of up to100 particles per million. The extended-release acaricide is placed in at least two frames per breeding chamber by placing it on the shoulder of the central frames of the breeding chamber and in the gap between the same.La presente invención se refiere a un acaricida de liberación prolongada a partir de aceite esencial de clavo de olor (Syzygium aromaticum) como elemento activo, más específicamente eugenol, como alternativa al uso de productos químicos comerciales para atacar, disminuir y erradicar la varroasis en la apicultura sin alterar el comportamiento de las colmenas y reducir los riesgos de debilitamiento durante el tratamiento, utilizando además un elemento de liberación prolongada. Dicha invención se comprende de un contenedor de liberación prolongada que se comprende de sujetador tipo gancho una extensión tipo cuerda de un tamaño de 10 centímetros de largo y de material semiflexible, preferentemente algodón, un contenedor tipo bolsa o costal de material tela TNT polipropileno poroso y de retención del activo a la cual se le colocan al menos 8 gramos de perlas de pl
