Genes prove global pest from South America

By Sophie Moore
Updated May 11 2020 - 4:11pm, first published 4:04pm
Scientists have traced the origins of the diamondback moth, the global scourge of vegetable growers.
Scientists have traced the origins of the diamondback moth, the global scourge of vegetable growers.

Scientists have traced the origins of a very hungry caterpillar in efforts to halt the spread of the diamondback moth, a pernicious, pesticide-resistant pest costing the world's farmers more than $5 billion per year.