Coleoptera

Dytiscidae

Hydroporus

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Hydroporus appalachius
Hydroporus columbianus female
Hydroporus columbianus male
Hydroporus dentellus
Hydroporus despectus
Hydroporus fortis
Hydroporus fuscipennis
Hydroporus lapponum
Hydroporus larsoni
Hydroporus longiusculus
Hydroporus mannerheimi
Hydroporus morio
Hydroporus nigellus
Hydroporus notabilis
Hydroporus obscurus
Hydroporus occidentalis
Hydroporus pervicinus
Hydroporus polaris
Hydroporus puberulus
Hydroporus rectus
Hydroporus rufinasus
Hydroporus sibiricus
Hydroporus signatus
Hydroporus sinuatipes
Hydroporus striola
Hydroporus tademus female
Hydroporus tademus male
Hydroporus tartaricus
Hydroporus tenebrosus
Hydroporus transpunctatus
Hydroporus tristis