Lady-killing genes offer pest control

For decades, scientists have blasted insects with radiation to create sterile males that farmers then released for pest control.

The medfly: Future target for a new pest-control strategy. Scott Bauer/USDA-ARS

Now, a team based in England suggests a more subtle approach. Two new lines of Drosophila melanogaster prove that it’s possible to create insects with dominant genes that make females selfdestruct on cue, report Dean D.