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For Insects, Spiders & Their Kin
For the United States & Canada
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Subfamily Hydrophilinae

Phylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Coleoptera - Beetles
Suborder Polyphaga
No Taxon Series Staphyliniformia
Superfamily Hydrophiloidea
Family Hydrophilidae - Water Scavenger Beetles
Subfamily Hydrophilinae

Tribe Berosini
Genus Berosus
Species aculeatus - Berosus aculeatus
Species blechrus - Berosus blechrus
Species exiguus - Berosus exiguus
Species fraternus - Berosus fraternus
Species hatchi - Berosus hatchi
Species hoplites - Berosus hoplites
Species infuscatus - Berosus infuscatus
Species miles - Berosus miles
Species moerens - Berosus moerens
Species ordinatus - Berosus ordinatus
Species pantherinus - Berosus pantherinus
Species peregrinus - Berosus peregrinus
Species pugnax - Berosus pugnax
Species rugulosus - Berosus rugulosus
Species salvini - Berosus salvini
Species sayi - Berosus sayi
Species stylifer - Berosus stylifer
Species undatus - Berosus undatus
Species youngi - Berosus youngi
Genus Derallus
Species altus - Derallus altus
Genus Hemiosus
Species exilis - Hemiosus exilis 0
Tribe Hydrobiusini
Genus Ametor
Species latus - Ametor latus
Species scabrosus - Ametor scabrosus
Genus Hydrobius
Species fuscipes - Hydrobius fuscipes
Genus Limnohydrobius
Species tumidus - Limnohydrobius tumidus 0
Species melaenus - Limnohydrobius melaenus
Genus Sperchopsis
Species tessellata - Sperchopsis tessellata
Tribe Hydrophilini
Genus Hydrobiomorpha
Species casta - Hydrobiomorpha casta
Genus Hydrochara
Species brevipalpis - Hydrochara brevipalpis
Species leechi - Hydrochara leechi 0
Species lineata - Hydrochara lineata
Species obtusata - Hydrochara obtusata
Species occulta - Hydrochara occulta
Species rickseckeri - Hydrochara rickseckeri 0
Species soror - Hydrochara soror
Species spangleri - Hydrochara spangleri
Genus Hydrophilus - Giant Water Scavenger Beetles
Species ensifer - Hydrophilus ensifer
Species insularis - Hydrophilus insularis
Species ovatus - Hydrophilus ovatus
Species triangularis - Giant Black Water Beetle
Genus Tropisternus
Species affinis - Tropisternus affinis
Species apicipalpis - Tropisternus apicipalpis
Species blatchleyi - Tropisternus blatchleyi
Species collaris - Tropisternus collaris
Species columbianus - Tropisternus columbianus
Species fuscitarsis - Tropisternus fuscitarsis
Species glaber - Tropisternus glaber
Species lateralis - Tropisternus lateralis
Subspecies limbalis - Tropisternus lateralis limbalis
Subspecies nimbatus - Tropisternus lateralis nimbatus
Species mixtus - Tropisternus mixtus
Species natator - Tropisternus natator
Species quadristriatus - Tropisternus quadristriatus
Species sublaevis - Tropisternus sublaevis
Tribe Laccobiini
Genus Laccobius
Species agilis - Laccobius agilis
Species borealis - Laccobius borealis
Species cinereus - Laccobius cinereus
Subspecies columbianus - Laccobius cinereus columbianus
Species minutoides - Laccobius minutoides
Species spangleri - Laccobius spangleri
Species teneralis - Laccobius teneralis
Genus Paracymus
Species confluens - Paracymus confluens
Species despectus - Paracymus despectus
Species lodingi - Paracymus lodingi
Species nanus - Paracymus nanus
Species subcupreus - Paracymus subcupreus