Colymbetes dahuricus female
Agabus ajax male
Agabus vancouverensis
Hygrotus obscureplagiatus female
Hydroporus columbianus female
Coptotomus longulus male
Dytiscus circumcinctus female
Hydroporus larsoni
Hydaticus aruspex male
Acilius semisulcatus female
Agabus coxalis
Sanfilippodytes terminalis
Colymbetes dahuricus male
Dytiscus marginicollis female
Hygrotus sayi
Hygrotus obscureplagiatus male
Agabus erichsoni
Coptotomus longulus female
Hygrotus picatus
Dytiscus circumcinctus male
Oreodytes laevis
Hydroporus despectus
Agabus anthracinus
Hydroporus columbianus male
Carrhydrus crassipes
Hydroporus signatus
Hygrotus impressopunctatus
Hydroporus lapponum
Ilybius churchillensis
Agabus ajax female
Agabus lutosus female
Hygrotus intermedius
Nebrioporus depressus
Hygrotus semivittatus
Colymbetes sculptilis female
Acilius abbreviatus male
Hydroporus striola
Ilybius fraterculus
Hydroporus rufinasus
Hydroporus fortis
Agabus tristis
Dytiscus hatchi female
Agabus infuscatus
Stictotarsus spenceri
Ilybius quadrimaculatus
Agabus leptapsis male
Graphoderus occidentalis female
Agabus lutosus female
Agabus semipunctatus
Rhantus suturellus male
Dytiscus marginicollis male
Rhantus wallisi male
Stictotarsus griseostriatus
Agabus lutosus male
Agabus smithi
Dytiscus cordieri male
Graphoderus perplexus female
Agabus discolor male
Hygrotus intermedius
Hydroporus columbianus male
Hygrotus dissimilis
Hydroporus tademus female
Rhantus gutticollis
Hygrotus suturalis
Hydroporus puberulus
Neoporus undulatus
Rhantus sericans
Colymbetes densus male
Rhantus suturellus female
Laccornis pacificus
Nebrioporus macronychus
Hygrotus lutescens male
Colymbetes sculptilis female
Oreodytes picturatus
Agabus audeni
Agabus moestus male
Hygrotus sellatus
Acilius abbreviatus female
Hydroporus rectus
Acilius semisulcatus male
Hydroporus polaris
Ilybius picipes
Hydroporus nigellus
Neoporus superioris
Agabus discors male
Sanfilippodytes pseudovilis
Desmopachria convexa
Hydroporus notabilis
Dytiscus dauricus male
Hygrotus unguicularis
Agabus phaeopterus
Dytiscus dauricus male
Hydroporus appalachius
Ilybius picipes
Agabus discors male
Hydroporus transpunctatus
Oreodytes picturatus
Hydroporus occidentalis
Colymbetes exaratus female
Neoclypeodytes ornatellus
Oreodytes alaskanus
Ilybius discedens
Nebrioporus depressus
Agabus wasastjernae
Agabus smithi
Agabus canadensis
Dytiscus circumcinctus female
Agabus hypomelas female
Oreodytes obesus cordillerensis
Agabus discolor female
Dytiscus alaskanus male
Agabus ambiguus
Hydaticus aruspex female
Hydaticus aruspex male
Laccophilus biguttatus
Hygrotus suturalis
Agabus clavicornis
Hygrotus compar
Agabus fuscipennis
Agabus oblongulus
Ilybius subaeneus
Hydroporus notabilis
Ilybius vittiger
Dytiscus alaskanus female
Hygrotus nigrescens
Oreodytes scitulus scitulus
Agabus thomsoni
Agabus leptapsis female
Sanfilippodytes pseudovilis
Agabus mackenziensis male
Agabus obliteratus female
Rhantus binotatus
Hydroporus despectus
Dytiscus cordieri female
Rhantus wallisi female
Rhantus binotatus
Stictotarsus spenceri
Rhantus wallisi female
Agabus confinis female
Agabus strigulosus
Hydroporus sinuatipes
Graphoderus liberus
Agabus moestus female
Acilius athabascae
Agabus hypomelas female
Graphoderus perplexus male
Hydroporus tenebrosus
Neoscutopterus augustus female
Dytiscus alaskanus female
Hygrotus marklini
Acilius semisulcatus male
Hygrotus semivittatus
Neoporus superioris
Ilybius picipes
Hydroporus nigellus
Laccornis pacificus
Hydroporus polaris
Hygrotus lutescens male
Rhantus suturellus female
Laccornis pacificus
Rhantus sericans
Hydroporus puberulus
Hydroporus rectus
Acilius abbreviatus female
Hygrotus sellatus
Agabus audeni
Oreodytes picturatus
Colymbetes sculptilis female
Agabus discolor male
Graphoderus perplexus female
Dytiscus cordieri male
Agabus smithi
Agabus antennatus
Hygrotus infuscatus
Hydroporus tademus female
Rhantus suturellus male
Agabus semipunctatus
Agabus lutosus female
Agabus leptapsis male
Rhantus suturellus female
Ilybius quadrimaculatus
Hydroporus dentellus
Agabus lutosus male
Stictotarsus griseostriatus
Rhantus wallisi male
Hydroporus striola
Ilybius fraterculus
Acilius abbreviatus male
Hygrotus semivittatus
Nebrioporus depressus
Hygrotus intermedius
Ilybius churchillensis
Agabus ajax female
Hygrotus impressopunctatus
Hygrotus punctilineatus
Agabus canadensis
Dytiscus hatchi female
Agabus tristis
Dytiscus marginicollis male
Hydroporus fortis
Hydroporus rufinasus
Hydroporus columbianus male
Agabus anthracinus
Oreodytes laevis
Coptotomus longulus female
Ilybius vittiger
Hydroporus larsoni
Stictotarsus striatellus
Colymbetes dahuricus male
Hydroporus morio
Sanfilippodytes terminalis
Hygrotus patruelis
Agabus coxalis
Hydroporus sibiricus
Acilius semisulcatus female
Hygrotus obscureplagiatus male
Hydroporus rectus
Hygrotus sayi
Hygrotus sellatus
Oreodytes congruus
Agabus ajax male
Colymbetes dahuricus female
Agabus bifarius
Agabus pisobius female
Hydaticus aruspex male
Hydroporus larsoni
Dytiscus circumcinctus female
Coptotomus longulus male
Hygrotus obscureplagiatus female
Graphoderus liberus
Hydroporus tenebrosus
Graphoderus perplexus male
Agabus clavicornis
Rhantus sericans
Oreodytes snoqualmie
Agabinus sculpturellus
Desmopachria convexa
Colymbetes dolabratus female
Hygrotus marklini
Dytiscus alaskanus female
Dytiscus dauricus female
Agabus audeni
Graphoderus liberus
Hydroporus sinuatipes
Agabus confinis female
Agabus strigulosus
Agabus anthracinus
Hydroporus tenebrosus
Hydroporus tartaricus
Hydroporus tristis
Agabus coxalis
Ilybius pleuriticus female
Dytiscus cordieri female
Hydroporus nigellus
Hydroporus tademus female
Hydroporus despectus
Rhantus wallisi female
Stictotarsus spenceri
Agabus confertus
Agabus leptapsis female
Agabus thomsoni
Hygrotus salinarius
Rhantus binotatus
Agabus obliteratus female
Agabus mackenziensis male
Ilybius vittiger
Ilybius subaeneus
Agabus oblongulus
Agabus fuscipennis
Hydroporus pervicinus
Hygrotus nigrescens
Agabus clavicornis
Hygrotus suturalis
Laccophilus biguttatus
Neoporus superioris
Dytiscus alaskanus male
Neoclypeodytes ornatellus
Ilybius subaeneus
Agabus discolor female
Oreodytes obesus cordillerensis
Agabus hypomelas female
Hygrotus compar
Agabus perplexus
Neoclypeodytes ornatellus
Agabus canadensis
Agabus wasastjernae
Agabus leptapsis female
Oreodytes alaskanus
Agabus discors female
Oreodytes quadrimaculatus
Hydroporus notabilis
Agabus mackenziensis male
Colymbetes exaratus male
Sanfilippodytes pseudovilis
Dytiscus harrisii male
Desmopachria convexa
Hydroporus occidentalis
Colymbetes exaratus female
Hydroporus transpunctatus
Agabus discors male
Dytiscus dauricus male
Hygrotus unguicularis
Agabus discolor female
Agabus infuscatus
Agabus antennatus
Colymbetes dahuricus female
Agabus kootenai
Hygrotus nigrescens
Agabus approximatus
Hygrotus salinarius
Hydroporus rufinasus
Dytiscus dauricus female
Agabus adpressus
Oreodytes obesus cordillerensis
Liodessus obscurellus
Agabus hypomelas male
Agabus griseipennis
Dytiscus fasciventris female
Hydroporus sibiricus
Ilybius angustior
Colymbetes dolabratus female
Hydroporus polaris
Hydroporus tademus male
Agabus bicolor
Laccophilus maculosus
Agabus punctulatus
Hydroporus tristis
Agabinus sculpturellus
Ilybius discedens
Agabus triton
Hygrotus picatus
Rhantus consimilis
Rhantus wallisi male
Hygrotus dissimilis
Agabus moestus male
Colymbetes dolabratus male
Dytiscus marginicollis female
Hydroporus signatus
Oreodytes angustior
Agabus elongatus
Coptotomus longulus male
Dytiscus hatchi female
Oreodytes angustior
Graphoderus occidentalis male
Colymbetes paykulli
Agabus erichsoni
Oreodytes snoqualmie
Agabus confertus
Agabus discolor male
Hydroporus columbianus female
Oreodytes congruus
Acilius athabascae
Hydroporus appalachius
Agabus arcticus
Hygrotus patruelis
Dytiscus circumcinctus male
Oreodytes quadrimaculatus
Dytiscus harrisii female
Dytiscus hatchi male
Hydroporus transpunctatus
Rhantus gutticollis
Hydroporus pervicinus
Colymbetes densus female
Agabus wasastjernae
Acilius semisulcatus female
Hydroporus morio
Oreodytes alaskanus
Hydroporus mannerheimi
Hydroporus longiusculus
Agabus semipunctatus
Colymbetes dolabratus male
Agabus austinii male
Agabus oblongulus
Agabus bifarius
Hydroporus fuscipennis
Dytiscus hatchi male
Sanfilippodytes compertus
Hygrotus novemlineatus hudsonicus
Liodessus obscurellus
Sanfilippodytes compertus
Laccophilus biguttatus
Dytiscus harrisii female
Hydroporus fuscipennis
Oreodytes scitulus scitulus
Hydroporus tartaricus
Colymbetes densus female
Dytiscus marginicollis male
Agabus versimilis
Hygrotus tumidiventris
Agabus seriatus
Agabus hypomelas male
Agabus fuscipennis
Hygrotus punctilineatus
Hydroporus striola
Oreodytes crassulus
Agabus inscriptus
Agabus bjorkmanae
Agabus ambiguus
Hygrotus infuscatus
Colymbetes exaratus female
Hydroporus lapponum
Hydroporus mannerheimi
Nebrioporus macronychus
Hygrotus turbidus
Agabus pisobius female
Stictotarsus striatellus
Agabus bjorkmanae
Agabus obliteratus male
Agabus confinis female
Agabus zetterstedti
Agabus ancillus
Agabus austinii female
Dytiscus harrisii male
Neoporus undulatus
Agabus moestus female
Agabus kootenai
Acilius semisulcatus male
Agabus mackenziensis male
Sanfilippodytes pacificus
Ilybius pleuriticus female
Sanfilippodytes edwardsi
Agabus leptapsis male
Agabus vancouverensis
Agabus phaeopterus
Hygrotus novemlineatus hudsonicus
Sanfilippodytes edwardsi
Hydroporus fortis
Agabus perplexus
Neoscutopterus augustus female
Agabus austinii male
Graphoderus occidentalis female
Hygrotus marklini
Hydroporus sinuatipes
Agabus obliteratus female
Colymbetes densus male
Hydaticus aruspex female
Agabus obliteratus male
Hygrotus obscureplagiatus male
Agabus confertus female
Hydroporus obscurus
Dytiscus dauricus male
Carrhydrus crassipes
Colymbetes exaratus male
Hydroporus dentellus
Agabus discors female
Laccophilus maculosus
Agabus ancillus
Hygrotus masculinus
Ilybius churchillensis
Colymbetes densus female
Hydroporus obscurus
Hydroporus pervicinus
Rhantus gutticollis
Hygrotus tumidiventris
Hydroporus morio
Hygrotus sayi
Stictotarsus griseostriatus
Oreodytes quadrimaculatus
Dytiscus circumcinctus male
Hygrotus impressopunctatus
Oreodytes congruus
Agabus punctulatus
Hydroporus columbianus female
Rhantus suturellus male
Agabus austinii female
Hygrotus patruelis
Agabus arcticus
Acilius athabascae
Hydroporus appalachius
Agabus elongatus
Oreodytes angustior
Agabus seriatus
Agabus confertus
Oreodytes snoqualmie
Sanfilippodytes pacificus
Agabus approximatus
Agabus erichsoni
Graphoderus occidentalis male
Colymbetes paykulli
Dytiscus alaskanus male
Hygrotus picatus
Agabus triton
Ilybius discedens
Agabus ajax male
Dytiscus marginicollis female
Hydroporus signatus
Colymbetes dahuricus male
Ilybius quadrimaculatus
Dytiscus fasciventris female
Hygrotus dissimilis
Agabus moestus male
Hygrotus compar
Rhantus consimilis
Hydroporus tademus male
Agabus bicolor
Colymbetes dolabratus female
Ilybius angustior
Hygrotus lutescens male
Hygrotus unguicularis
Hydroporus tristis
Agabinus sculpturellus
Agabus punctulatus
Agabus adpressus
Agabus zetterstedti
Rhantus consimilis
Agabus adpressus
Dytiscus dauricus female
Acilius abbreviatus male
Agabus inscriptus
Hydroporus sibiricus
Oreodytes laevis
Dytiscus fasciventris female
Liodessus obscurellus
Agabus hypomelas male
Agabus griseipennis
Agabus approximatus
Agabus kootenai
Graphoderus perplexus male
Agabus antennatus
Hydroporus puberulus
Agabus infuscatus
Hygrotus masculinus
Hygrotus salinarius
Agabus thomsoni
Hydroporus dentellus
Colymbetes exaratus male
Carrhydrus crassipes
Hydroporus obscurus
Hygrotus masculinus
Oreodytes crassulus
Agabus ancillus
Laccophilus maculosus
Agabus bicolor
Rhantus binotatus
Agabus discors female
Hygrotus turbidus
Colymbetes densus male
Graphoderus perplexus female
Agabus ajax female
Hydroporus longiusculus
Graphoderus occidentalis female
Agabus confertus female
Hygrotus obscureplagiatus female
Hydaticus aruspex female
Coptotomus longulus female
Ilybius pleuriticus female
Sanfilippodytes pacificus
Agabus versimilis
Agabus perplexus
Neoscutopterus augustus female
Dytiscus cordieri female
Ilybius fraterculus
Sanfilippodytes edwardsi
Agabus phaeopterus
Agabus vancouverensis
Agabus confertus female
Neoporus undulatus
Dytiscus harrisii male
Agabus zetterstedti
Agabus austinii female
Agabus moestus female
Hydroporus occidentalis
Agabus lutosus male
Ilybius angustior
Stictotarsus striatellus
Dytiscus cordieri male
Agabus obliteratus male
Hygrotus infuscatus
Agabus ambiguus
Acilius abbreviatus female
Agabus bjorkmanae
Agabus inscriptus
Agabus pisobius female
Hygrotus turbidus
Agabus tristis
Hydroporus tademus male
Hydroporus lapponum
Nebrioporus macronychus
Agabus strigulosus
Agabus arcticus
Hygrotus tumidiventris
Agabus seriatus
Agabus versimilis
Dytiscus marginicollis male
Oreodytes crassulus
Sanfilippodytes terminalis
Hygrotus punctilineatus
Sanfilippodytes compertus
Hygrotus novemlineatus hudsonicus
Dytiscus hatchi male
Agabus elongatus
Agabus bifarius
Colymbetes paykulli
Agabus austinii male
Graphoderus occidentalis male
Colymbetes dolabratus male
Hydroporus mannerheimi
Acilius athabascae
Agabus triton
Hydroporus longiusculus
Agabus griseipennis
Oreodytes scitulus scitulus
Hydroporus tartaricus
Hydroporus fuscipennis
Agabus oblongulus
Dytiscus harrisii female