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The wingspan is 28–33 mm. The forewings are light brown to orangish-yellow. The ante- and postmedial lines are brown, straight and parallel and the reniform spot has the form of a black dot. The hindwings are white or pale yellow with a small indistinct discal spot and a thin brown terminal line. Adults are on wing from April to September in two generations per year. - excerpt from Wikipedia
Thanks to Marcie O'Connor from BugGuide who helped me to ID this.