Eggs hatch within 24 hours, and house flyhouse flyThe gestation of a house fly egg is only 24 hours, and infestations spread at alarming rates. Larvae emerge from their eggs and begin feeding. Using their egg site as a source of food, the larvae, which are commonly referred to as maggots, eat for four days in order to store nutrients for metamorphosis.

› house-flies › gestation-of-a-house-flyGestation of a House Fly - Orkin larvae emerge. House fly larvae, or maggots, appear similar to pale worms. Their sole purpose is to eat and store energy for their upcoming pupation. Larvae feed for approximately five days, after which they find dry, dark locations for pupal development.