Neodactria caliginosellus, the corn root webworm or black grass-veneer, is a moth in the family Crambidae. It was described by James Brackenridge Clemens in 1860.[1] It is found in North America, where it has been recorded from Alabama, Alberta, California, Florida, Georgia, Illinois, Indiana, Maine, Maryland, Mississippi, North Carolina, Ohio, Oklahoma, Ontario, South Carolina and Tennessee.[2] The habitat consists of grassy areas and fields.
The larvae feed on turf grasses and corn stalks. They have a pale white to gray body.[3]