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fimbriatus/interruptus group

smaller Hydrophilidae - Enochrus smaller Hydrophilidae - Enochrus smaller Hydrophilidae - Enochrus Water beetle - Enochrus Water beetle - Enochrus Water beetle - Enochrus Enochrus perplexus ? - Enochrus Enochrus perplexus ? - Enochrus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Staphyliniformia)
Superfamily Hydrophiloidea (Water Scavenger and Clown Beetles)
Family Hydrophilidae (Water Scavenger Beetles)
Subfamily Hydrophilinae
Tribe Hydrophilini
Genus Enochrus
No Taxon fimbriatus/interruptus group
Identification
E. fimbriatus can only be distinguished from E. interruptus by a notch in the aedeagus, which requires dissection. Since the northeast containes both species, ID from photos is not recommended. Head coloration can be valuable for ID, but is both sexually dimorphic and varies by region in this genus. (Comment by Andrew Short on #116800)