Fleas have changed history. More human deaths have been attributed to fleas than all the wars ever fought. As carriers of the bubonic plague, fleas were responsible for killing one-third of the population of Europe in the 14th century.
Two fleas breeding, under ideal conditions, have the potential to produce two trillion descendants in nine months
The Anopheles mosquito was the cause of six to seven million cases of malaria annually in the United States in the 1930's
Ticks transmit the organisms for relapsing fever, Rocky Mountain spotted fever and Lyme disease.
Since 1980, 80,000 cases of Lyme disease have been reported in 48 states.
The house fly can harbor more than 100 kinds of pathogenic organisms and may transmit more that 65 human and animal disease organisms.
Cockroaches may transmit food poisoning, cholera, dysentery and typhoid.
Seven to eight percent of the general population has an allergy to insects. In a study conducted in Atlanta concerning the chronic flu symptoms of inner city children, it was learned that as many as 45 percent were allergic to cockroaches