Tiny insects measuring about 1/6-inch in length and are laterally flattened.Reddish brown
One female flea can lay about 18 eggs a day and just 20 fleas on a dog can produce 360 eggs per day and over 2000 eggs in a week. After the home is treated, it may take up to two weeks or more before fleas are no longer seen. The reason for this is that flea pupae are unaffected by the treatment until the adult fleas emerge from their pupal cocoon. In any flea population, all stages of the flea will be present including numerous pupae. It will take several weeks for all adult fleas to emerge from these pupae and contact the treatment. Vacuuming as often as possible after the treatment can speed up this process because it stimulates adult fleas to emerge from their cocoons.
Fleas are ectoparasites of animals, meaning they live on the outside of the body and need to feed on the blood of these animals in order to produce eggs. Because fleas usually feed and lay their eggs while the pet is sleeping, the pet’s resting areas are where the most fleas will be found. Many pets acquire fleas outside in the yard. Research has demonstrated that urban wildlife, such as raccoons and opossums, are commonly responsible for introducing these insect pests onto residential properties where the pets can encounter them.
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