House fly
between 25–30°C. The small (1.2 mm), white eggs will only hatch if they remain moist, and creamy-white larvae (3–9 mm long) with a single pair of dark [...] over three weeks later at low temperatures (around 15°C). Adult flies have an average life span of 15–25 days, but can live up to two months in the right [...] home. Believed to have originated in central Asia, the insect expanded its range worldwide long ago as a commensal organism to human populations; the housefly