The answer to 'what is pest' is a pest is any organism that causes harm or damage to humans, their property, or their possessions. Pests can include insects, rodents, birds, and other animals that invade homes, gardens, and other areas. Pests can carry diseases, damage structures, contaminate food, and cause other problems for homeowners.
Common examples of pests include ants, cockroaches, mice, rats, termites, and bed bugs. Pests can enter homes through cracks, crevices, and openings, and they often thrive in areas with food, water, and shelter. Addressing pest problems requires a combination of prevention, identification, and effective treatment strategies.