![]() ![]() Larvae make up about 35 percent of the flea population in the average household. In appearance, flea larvae can be up to ¼-inch long and are white (almost see-through) and legless. They develop over several weeks by eating pre-digested blood (known as flea “dirt”) that adult fleas pass, along with other organic debris in the environment. The emerging larvae are blind and will avoid being out in the light. Larvae then emerges as the next life stage. If temperatures are cold and dry, the eggs will take longer if temperatures are warm and humidity levels are high, the eggs will hatch at a faster rate. Eggs represent about one-half (50 percent) of the entire flea population present in an average home.Įggs take anywhere from two days to two weeks to develop, hatching when environmental conditions are just right for them. The eggs will fall off your pet as s/he moves, allowing them to be disbursed throughout the environment where your pet spends his or her time. A single adult female can lay about 40 eggs every day. These eggs are small, white objects (slightly smaller than a grain of sand) that are laid in the pet’s fur in bunches of about 20. Blood is necessary for the adult flea to reproduce. The beginning of the life cycle occurs when an adult female flea lays eggs following a blood meal from the host (e.g., your pet). Optimal conditions for fleas are between 70-85☏ and 70 percent humidity. ![]() Depending on the environmental temperature and humidity levels, the total life cycle will take anywhere from a couple weeks to many months. There are four stages in the life cycle of a flea: egg, larva, pupa, and adult. First, it is very important to be familiar with and understand the life cycle of the flea when you are trying to eradicate their presence completely. When it comes to eliminating fleas from your pet and from your home, there are some key things to consider. ![]()
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