houseflies is a serious problem requiring control. Although this fly species does not bite, the control of houseflies is vital to human health and comfort in many areas of the world. The most important damage related with this insect is the annoyance and the indirect damage produced by the potential transmission of pathogens associated with this fly. Among the pathogens commonly transmitted by houseflies are Salmonella, Shigella, Escherichia, Enterococcus, Chlamydia, and many other species that cause illness. These flies are most commonly linked to outbreaks of diarrhea and shigellosis, but also are implicated in the transmission of food poisoning, typhoid fever, tuberculosis, anthrax, and parasitic worms.