Psychoda alternata
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Diptera
- family: Psychodidae
- genus: Psychoda
- species: Psychoda alternata
Decorah
Ottumwa
Sioux City
IowaNew Orleans
LouisianaEast Lansing
MichiganNatchez
MississippiMillvale
Pennsylvania
United States