Neodactria murellus is a moth in the family Crambidae. It was described by Harrison Gray Dyar Jr. in 1904.[1] It is found in North America, where it has been recorded from Arkansas, British Columbia, Colorado, Illinois, Indiana, Manitoba, Michigan, New Jersey, Ohio, Oklahoma and Washington.[2] The habitat consists of tallgrass prairies.
Adults have been recorded on wing from May to August.
The larvae probably feed on various grasses.[3]