Geohowdenius opacus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Geotrupidae
- genus: Geohowdenius
- species: Geohowdenius opacus
Mena
Arkansas- Coralville
Iowa- Blanchard
- Fort Polk North
Louisiana- Norman
Oklahoma
United States