Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Praeclara Underwing (Catocala praeclara) is a moth of the Noctuidae family. It is found from Nova Scotia west to south-eastern Alberta, south to Florida and Kansas. The wingspan is 38-50 mm. Adults are on wing from August to September in one generation depending on the location. The larvae feed on Amelanchier, Crataegus species (including Crataegus calpodendron), Photinia species (including Photinia x prunifolia and Photinia melanocarpa).