Abamectin is a widely used insecticide and anthelmintic. Abamectin is a widely used insecticide and anthelmintic. Abamectin is an insecticide as well as an acaricide (miticide) and a nematicide. Abamectin is also used as a veterinary antihelmintic. Resistance to abamectin-based antihelmintics, although a growing problem, is not as common as to other classes of veterinary antihelmintics. The benzoate salt emamectin benzoate is also used as an insecticide.