secondary screwworm
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Diptera
- family: Phoridae
- genus: Musca
- species: Musca macellaria
La Cruz
Guanacaste
Costa RicaPasatiempo
San Diego Country Estates
CaliforniaCarmi
IllinoisScottsburg
IndianaOlathe
KansasNatchitoches
LouisianaGaithersburg
Mellwood
MarylandWillard
MissouriClementon
New JerseyUvalde
TexasMantua
VirginiaMadison
Wisconsin
United States