A second or subsequent infestation. noun.
What are Reinfesting fleas?
2. Flea populations can persist indefinitely when untreated pets or other animals are present, creating a constant source of infestation to pets and humans. Figure. Immature stages of fleas, including eggs (A), larvae (B), and pupae (C), can provide a continuous, long-term source of reinfestation for pets in the home.
How many fleas on a dog is considered an infestation?
Just One Flea Can Be a Sign of a Problem
As few as 20 fleas might mean your pet is infested, while the most could be between 200 to 300. Ignoring a few fleas can quickly lead to an infestation on your dog and in your home,2 because two adult fleas could lead to hundreds of eggs and pupae.
