Walton said at first, growers used more pesticides to combat the flies, but insects eventually become resilient to such chemicals, so he and scientists from OSU and the University of California at Berkeley set out to find the flies’ natural enemy.
Walton said at first, growers used more pesticides to combat the flies, but insects eventually become resilient to such chemicals, so he and scientists from OSU and the University of California at Berkeley set out to find the flies’ natural enemy.