1.   Consumers will over-fish the ocean, pollute the environment and under-provide sterile insects to fight pestilence on the land.

2.   The theory is that sterile insects mate with their wild counterparts but produce no offspring.

3.   After reducing the wild tsetse population with pesticides, workers released the sterile insects in numbers far greater than the natural male population.

4.   Knipling was honored for having developed the use of sterile insects to fight insect pests.

5.   Using the technique, sterile insects are mass-reared in large factories before being released on a regular basis into the target areas, substantially reducing fertile matings.

6.   A retired USDA entomologist, Knipling is best known for his with USDA scientist Raymond Bushland on developing sterile insects to eradicate the screwworm, a livestock pest.