Sep 26, 2017
Entomology researcher Eric Burkness checked raspberry plants growing in a hoop house for signs of spotted wing drosophila Tuesday, Sept. 26, 2017, in Rosemont, Minn. New research from North Carolina State University offers some hope to fruit growers who have struggled with a damaging fruit fly and describes how the researchers manipulated the insects' DNA so that female offspring would be sterile. (Anthony Souffle/Star Tribune via AP)