A spot-on pesticide composition for animals, specifically mammals, namely dogs, which composition comprises a combination of a pyrethroid and a macrocyclic lactone selected from avermectin, ivermectin, selamectin, moxidectin, milbemycin and any combination thereof, and optionally fipronil and/or an insect growth regulator, in doses and proportions which are parasiticidally effective against a variety of insects and pests, and in a formulation which is convenient for local application to the animals skin, preferably localized over a small surface area.
