Flea Life Cycle Time at Life

Flea Life Cycle Time. If food is plentiful, the adult flea emerges after about a week. Given optimum, warm, and humid conditions with pets passing regularly, then the time taken for an egg to develop into an adult flea is usually somewhere between 2 and 4 weeks in total.

Egg, larva, pupa, and adult. Adult fleas (both male and female) require a blood meal prior to mating. Otherwise, the flea may stay in its cocoon for up to a year.

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If food is plentiful, the adult flea emerges after about a week. The time it takes to complete the life cycle from egg to adult varies from two weeks to eight months, depending on the temperature, humidity and the amount of food available. There are four stages in the life cycle of a flea: If food is plentiful, the adult flea emerges after about a week.