`All Aboard For Bug Bomb Flight 106'

Unmanned charter flights of bugs and bacteria may soon be coming to fields of lettuce, corn, and melons near you. Richard Frey, president of Arizona Biological Control Inc. in Tucson, has been in the beneficial-bug business for 17 years, supplying farmers with insects and bacteria that control pests. Sprinkling a 50-acre field can take up to eight hours by hand. So Frey has designed bright red remote-control airplanes to do the work in 10 minutes. With a five-foot wingspan, these planes turn on a dime and fly slowly enough to safely deliver more than two pounds of delicate insect eggs and bacteria.

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