The phrase "common pests" refers to creatures or organisms that are found in many places and can cause problems. They can be insects, rodents, or other animals that annoy or harm humans, damage property, or spread diseases. Full definition
The most common pest your dog can pick up on a walk — or at home — is fleas. (animalbehaviorcollege.com)
Natural flea and tick control products are flying off of pet store shelves as consumers seek safer alternatives for protecting their companion animals from common pests. (petbusiness.com)