Macrosiagon dimidiata
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Ripiphoridae
- genus: Macrosiagon
- species: Macrosiagon dimidiata
San Diego Country Estates
California- Denton
Maryland- Northampton
- West Concord
Massachusetts- Victory Gardens
New Jersey
United States