Fleas are small, wingless insects that feed on the blood of their host. They are often found on cats and dogs, but they can also infest other animals, including humans. While fleas need a host to survive, they can actually live for a short period of time without one.
The exact length of time that fleas can live without a host varies depending on several factors, such as temperature and humidity. In general, adult fleas can survive for about one week without a blood meal. However, this is not a hard and fast rule, and fleas can sometimes survive for longer periods of time.
Flea larvae, on the other hand, can survive for several weeks without a host. During this time, they feed on organic matter, such as skin flakes and dried blood, in the environment. This is why it is important to thoroughly clean and vacuum areas where pets spend time if a flea infestation is suspected.
It is important to note that fleas are resilient and can quickly re-infest an area if not properly treated. This is why it is important to use a combination of prevention methods, such as regular grooming and flea treatments, to keep fleas at bay.
In summary, while fleas cannot survive for extended periods of time without a host, they can still survive for a week or more. The best way to prevent a flea infestation is to be proactive about treating and preventing fleas in the first place.