Natural predators like birds, beetles and bugs might be an effective alternative to pesticides, keeping crop-devouring pests populations down while boosting crop yields, researchers said Wednesday. Pests are responsible for around 10 percent — or 21 million tonnes — of crop losses every year, but controlling them has lead to the widespread use of chemical pesticides. Could birds, spiders and beetles among other invertebrate predators do the job as well? Researchers in Brazil, the United […]