Robinson's Underwing (Catocala robinsonii) is a moth of the Erebidae family. It is found from southern Ontario and New Hampshire south to Florida west to Oklahoma, Missouri and Arkansas and northward to Illinois, Indiana, and Michigan (where it is rare). The wingspan is 70–80 mm. Adults are on wing from July to October depending on the location. There is probably one generation per year. The larvae feed on Carya ovata, Juglans and Quercus alba.