Biologists have used a gene silencing approach to engineer potatoes to be lethal to a major pest called the Colorado potato beetle but harmless to other species
Source:
https://www.newscientist.com/article/2224716-potatoes-engineered-to-harm-a-major-pest-but-leave-other-insects-safe/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home