Silk-tying-behavior
Guides
Acleris semipurpurana
Oak Leafshredder Moth, Oak Leaftier, Oak Leaf Tier
Acleris semipurpurana is a tortricid moth species and the most common of several moths known as "oak leaftiers." The larvae are significant defoliators of red oak group (Lobatae) trees in eastern North America. It has one generation annually, with eggs overwintering on branches and larvae feeding in spring. Outbreaks have caused considerable tree mortality, particularly in the Appalachian region during the 1960s–1970s.