Half-white Carpet Moth
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Lepidoptera
- family: Geometridae
- genus: Mesoleuca
- species: Mesoleuca gratulata
Alameda- Corte Madera
- Mill Valley
- Pasatiempo
California- Mansfield City
- Mystic
- Storrs
Connecticut- Wallace
Idaho- Sherborn
Massachusetts- Beaverton
- Cedar Hills
- Cedar Mill
- Corvallis
Oregon
United States
Calgary