Graphoderus

Graphoderus is a genus of beetle in family Dytiscidae native to the Holarctic.^[1]

Graphoderus
G. cinereus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Adephaga
Family:	Dytiscidae
Tribe:	Aciliini
Genus:	Graphoderus Dejean, 1833

Extant species

The genus Graphoderus contains the following 12 species:^[2]

• Graphoderus adamsii (Clark, 1864)
• Graphoderus austriacus (Sturm, 1834)
• Graphoderus bieneri Zimmermann, 1921
• Graphoderus bilineatus (De Geer, 1774)
• Graphoderus cinereus (Linnaeus, 1758)
• Graphoderus elatus Sharp, 1882
• Graphoderus fascicollis (Harris, 1828)
• Graphoderus liberus (Say, 1825)
• Graphoderus manitobensis Wallis, 1933
• Graphoderus occidentalis Horn, 1883
• Graphoderus perplexus Sharp, 1882
• Graphoderus zonatus (Hoppe, 1795)

Extinct species

These two extinct species are known only from fossils:^[2]

• †Graphoderus heeri Nilsson, 2001
• †Graphoderus mirabilis Riha, 1974