Leafroller larvae form webs and use them to curl leaves into protective structures. Photo Courtesy Of Washington State University Obliquebanded leafroller has been increasing as a problem in tart cherries in recent years, where the black-headed green larvae are a highly undesirable contaminant at harvest time in July. Entomologist Dr. Nikki Rothwell, coordinator of the Northwest Michigan Horticultural Research Station northwest of Traverse City, said the insect is not a fruit feeder on tart cherries as it is on apples. But the larvae, rolled as they are into leaves on the trees, get shaken loose when trunk shakers harvest the […]