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Dytiscidae

Family Dytiscidae

86 species

Quicksilver diver

Group: Beetles
Peak month: April
Records since 2000: 333

Hydroporus dorsalis

Group: Beetles
Peak month: April
Records since 2000: 315

A water beetle

Group: Beetles
Peak month: May
Records since 2000: 309

Agabus unguicularis

Group: Beetles
Peak month: April
Records since 2000: 296

Hydaticus seminiger

Group: Beetles
Peak month: May
Records since 2000: 296

Graptodytes granularis

Group: Beetles
Peak month: June
Records since 2000: 271

Oreodytes septentrionalis

Group: Beetles
Peak month: September
Records since 2000: 249

Hygrotus confluens

Group: Beetles
Peak month: September
Records since 2000: 245

Hydroporus neglectus

Group: Beetles
Peak month: March
Records since 2000: 229

Copper diver

Group: Beetles
Peak month: May
Records since 2000: 227

Relative diver

Group: Beetles
Peak month: June
Records since 2000: 214

Porhydrus lineatus

Group: Beetles
Peak month: May
Records since 2000: 211

Nebrioporus assimilis

Group: Beetles
Peak month: August
Records since 2000: 209

Ilybius fenestratus

Group: Beetles
Peak month: July
Records since 2000: 207

Acilius canaliculatus

Group: Beetles
Peak month: July
Records since 2000: 199

Rhantus suturellus

Group: Beetles
Peak month: June
Records since 2000: 196

Ilybius aenescens

Group: Beetles
Peak month: June
Records since 2000: 192

A water beetle

Group: Beetles
Peak month: May
Records since 2000: 173

A water beetle

Group: Beetles
Peak month: May
Records since 2000: 167

Arctic diver

Group: Beetles
Peak month: June
Records since 2000: 166

Clemnius decoratus

Group: Beetles
Peak month: June
Records since 2000: 163

Stictonectes lepidus

Group: Beetles
Peak month: April
Records since 2000: 160

A water beetle

Group: Beetles
Peak month: July
Records since 2000: 157

Spattered diver

Group: Beetles
Peak month: June
Records since 2000: 147

Laccornis oblongus

Group: Beetles
Peak month: July
Records since 2000: 128

Sharp’s parallel diver

Group: Beetles
Peak month: May
Records since 2000: 127

Dytiscus circumflexus

Group: Beetles
Peak month: May
Records since 2000: 124

Davis’s river diver

Group: Beetles
Peak month: April
Records since 2000: 120

Hygrotus nigrolineatus

Group: Beetles
Peak month: September
Records since 2000: 95

Hydroporus scalesianus

Group: Beetles
Peak month: June
Records since 2000: 78

Scarodytes halensis

Group: Beetles
Peak month: September
Records since 2000: 78

Agabus melanarius

Group: Beetles
Peak month: October
Records since 2000: 76

Hydroporus ferrugineus

Group: Beetles
Peak month: July
Records since 2000: 73

Hygrotus parallellogrammus

Group: Beetles
Peak month: August
Records since 2000: 71

Minutest Diving Beetle

Group: Beetles
Peak month: July
Records since 2000: 68

Hygrotus quinquelineatus

Group: Beetles
Peak month: September
Records since 2000: 65

Hydaticus transversalis

Group: Beetles
Peak month: June
Records since 2000: 62

Hydroporus figuratus

Group: Beetles
Peak month: July
Records since 2000: 50