Polyardis silvalis
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Diptera
- family: Cecidomyiidae
- genus: Polyardis
- species: Polyardis silvalis
Lappeenranta
Central Finland
Finland
Lillesand
Aust-Agder
Norway
Polyardis silvalis Lappeenranta Lillesand