Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Grape Leaffolder (Desmia funeralis) is a moth of the Crambidae family. It is found across the southern parts of the United States to California, north to the north-eastern states and south-eastern Canada. The wingspan is 21-28 mm. Adults are on wing from May to September. It is a day-flying species. There are two to three generations per year.The larvae feed on Vitis, Cercis canadensis and Oenothera. It is considered a minor pest of grapes in the United States.