How long does a housefly live?

groans a disgruntled housefly during a hilarious scene in Pixar's A Bug's Life. But do those pesky insects really brandish a day-long life expectancy? The short answer is no. Contrary to ... According to entomologists, mature houseflies generally live for 15 to 25 days. read more

After 2 to 5 days of development, these metamorphose into reddish-brown pupae, about 8 mm (0.3 in) long. Adult flies normally live for 2 to 4 weeks, but can hibernate during the winter. The adults feed on a variety of liquid or semiliquid substances, as well as solid materials which have been softened by their saliva. read more

The adult housefly can live up to one month in the wild. The fruit fly also lives for approximately 30 days after reaching adulthood. Flies survive longest in warmer temperatures and their ideal temperatures—between 75 and 80 degrees—are those found in most American homes. read more

Houseflies pass through four distinct stages: egg, larva, pupa and adult. The life expectancy of a housefly is generally 15 to 30 days and depends upon temperature and living conditions. read more