Euzophera ostricolorella, the root collar borer moth or tuliptree borer, is a species of moth of the family Pyralidae. It is found from Arkansas and Louisiana to northern Florida, north to Michigan and New York. The wingspan is 30–41 mm. The forewings are dull purplish red except for a dark purplish grey median area. The hindwings are whitish to pale grey with a brown terminal line and white fringe. Adults are on wing from April to June and again from August to October in two generations in the southern part of the range.