secondary screwworm
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Diptera
- family: Phoridae
- genus: Musca
- species: Musca macellaria
La Cruz
Guanacaste
Costa Rica
Pasatiempo- San Diego Country Estates
California- Carmi
Illinois- Scottsburg
Indiana- Olathe
Kansas- Natchitoches
Louisiana- Gaithersburg
- Mellwood
Maryland- Willard
Missouri- Clementon
New Jersey- Uvalde
Texas- Mantua
Virginia- Madison
Wisconsin
United States