Common cluster fly
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Diptera
- family: Calliphoridae
- genus: Pollenia
- species: Pollenia rudis
Los Angeles
San Francisco
CaliforniaBurr Ridge
Franklin Park
Schiller Park
IllinoisCabin John
MarylandSharon
West Concord
MassachusettsMonroe
South Monroe
MichiganMillvale
Pennsylvania
United States