House fly
originated in central Asia, the insect expanded its range worldwide long ago as a commensal organism to human populations; the housefly is always found in association [...] Giardia ), and the eggs of many parasitic worm species. Life cycle and appearance of House fly The adult house fly ( Musca domestica ) is 6–7 mm long, [...] production create the ideal conditions for maggot development. In extreme cases, large fly populations can even create public health issues for the communities