50 years ago, screwworm flies inspired a new approach to insect control
Excerpt from the November 23, 1968 issue of Science News
![screwworm fly](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/11/101918_KP_50YA-screw-worms_feat.jpg?fit=860%2C460&ssl=1)
SHOO FLY To stop the New World screwworm fly from ravaging cattle in the United States, researchers developed the sterile male eradication technique.
Judy Gallagher/Flickr (CC BY 2.0)