Caterpillars are destroying Missouri fields. But pheromones might stop them
Growing seasons are also lengthening with rising temperatures, meaning caterpillars may be able to stick around. And farmers tools may become less potent.
Kevin Rice picks up a surveyor's wheel used to measure the distance between pheromone dispensers in the grid after hammering one of the stakes into the ground at a farm near Arrow Rock, Missouri, on June 29, 2022. The researchers planted a stake every 34 feet in corn rows 40 feet apart.(photo credit: GABE BARNARD/ST. LOUIS POST-DISPATCH/TNS)ByGABE BARNARD/ST. LOUIS POST-DISPATCH/TNS