Details
| Catalogue no.: | UPSZMC 194030 |
| Taxon: | Phylloscopus proregulus (Pallas, PS, 1811) |
| Label: | Phylloscopus proregulus (Pallas, 1811) |
| Collector: | Liljefors, J. |
| Date: | 1962 10 11 |
| Country: | Sweden |
| Province: | Stockholms län |
| Landskap: | Uppland |
| Socken: | Björkö-Arholma |
| Locality: | Krokholmen, Arholma |