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 [...] domestica ) is 6–7 mm long, yellowish-grey to dark grey in colour, with four narrow black stripes on the thorax, reddish-brown eyes and clear, translucent [...] When protein-rich food is available, she will lay up to 500 eggs in several batches on decaying organic matter, such as food waste, carrion or feces, over