Amitraz is particularly effective against acarids,[5] but it is used as a pesticide in many different fields. Therefore, amitraz is available in many different forms, such as a wettable powder, an emulsifiable concentrate, a soluble concentrate/liquid, and an impregnated collar (for dogs).[6] It is characterized as an insect repellent, insecticide, and pesticide synergist. These are the properties which make it especially useful as a pesticide:[4]