Ptilostomis semifasciata
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Trichoptera
- family: Phryganeidae
- genus: Ptilostomis
- species: Ptilostomis semifasciata
Hay River
Northwest Territories- Berthierville
- Port-Cartier
Quebec
Canada
Palos Park
Illinois
United States