House fly
Salmonella and E. coli ), protozoan parasites (such as Giardia ), and the eggs of many parasitic worm species. Life cycle and appearance of House fly The adult [...] place near the breeding site to pupate. Flies in the pupal stage are oval-shaped, with bluntly rounded ends, about 8 mm long and change in colour from [...] commensal organism to human populations; the housefly is always found in association with human activity. As the most common species of fly found on livestock