Liodessus obscurellus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Liodessus
- species: Liodessus obscurellus
Medicine Hat- Tofield
Alberta- Stonewall
Manitoba- Hay River
Northwest Territories
Canada
Montpelier
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Minnesota- Barview
Oregon
United States