Hydraena emarginata
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Hydraenidae
- genus: Hydraena
- species: Hydraena emarginata
Gablitz- Hainfeld
- Lunz am See
- Pressbaum
- Purkersdorf
Lower Austria- Breitenbach am Inn
- Kundl
Tyrol
Austria