A Deraeocoris brevis nymph crawls across a leaf in August at the U.S. Department of Agriculture laboratory in Wapato, Washington. The insect’s timing and appetite for pear psylla has made it an all-star predator in pear integrated pest management. (Ross Courtney/Good Fruit Grower) In the pear IPM Olympics, all predators compete. But if Rebecca Schmidt-Jeffris had to pick a gold medal winner for integrated pest management, it would be deraeocoris…
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