Stable fly
the bacteria that cause anthrax, leptospirosis and anaplasmosis, the viruses that causes equine infectious anemia (EIA) and hog cholera, and the protozoan [...] family that feed on mammalian blood (particularly cattle and horses, humans, and pigs to a lesser extent). Although they are extremely common and exist [...] house flies, but are lighter in colour and have biting mouth parts. Both male and female flies feed on animal blood, and females must be engorged with blood