Merrifieldia tridactyla
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Lepidoptera
- family: Pterophoridae
- genus: Merrifieldia
- species: Merrifieldia tridactyla
- Saint-Léger
Wallonia
Belgium- Freudenburg
- Kastel-Staadt
Rheinland-Pfalz
Germany- Gonderange
02
Luxembourg- Borgholm
Kalmar- Stallarholmen
Södermanland
Sweden