Vectra 3D for Dogs is labeled for one month of protection against fleas, ticks, mosquitoes, lice, mites (excluding mange), biting flies, and sand flies. For cats, there is Vectra for Cats.

Keep black flies away with these effective strategies. Learn how to repel and prevent black flies from bothering you during ...

Hartz UltraGuard Pro Collar for Dogs is a water-resistant collar providing seven months of protection from fleas, ticks, flea eggs, and flea larvae. The collar also prevents flea eggs from hatching.