About Catocala vidua J.E.Smith, 1797
Catocala vidua, commonly called the widow underwing, is a species of moth belonging to the family Erebidae. James Edward Smith first described this species in 1797. This moth is found in North America. Its range extends from southern Ontario, through Maine, New Hampshire and Connecticut, and south at least to Tennessee, Georgia and Alabama. To the west, the species reaches as far as Texas and Oklahoma, and its northern boundary extends to Wisconsin. The wingspan of adult Catocala vidua measures between 70 and 80 mm. Adult moths are active from August to October each year. The species produces one generation per year. The larvae of Catocala vidua feed on Carya illinoinensis, Carya ovata, Carya pallida, Juglans cinerea, Juglans nigra, Quercus, Robinia pseudoacacia, and Salix.
