House fly
to human populations; the housefly is always found in association with human activity. As the most common species of fly found on livestock farms, they [...] parasitic worm species. Life cycle and appearance of House fly The adult house fly ( Musca domestica ) is 6–7 mm long, yellowish-grey to dark grey in colour, [...] will lay up to 500 eggs in several batches on decaying organic matter, such as food waste, carrion or feces, over the course of three to four days. Development