House fly
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 [...] House fly The adult house fly ( Musca domestica ) is 6–7 mm long, yellowish-grey to dark grey in colour, with four narrow black stripes on the thorax, [...] which point they crawl to a cool, dry place near the breeding site to pupate. Flies in the pupal stage are oval-shaped, with bluntly rounded ends, about 8