Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Subfamily Hydrophilinae

Water Scavenger Beetle - Hydrobius fuscipes Unknown Larva - Hydrophilus Hydrophilus species? - Hydrophilus triangularis Black beetle with brown legs - Helocombus bifidus Beetle - Hydrophilus ovatus Greenish Predaceous Diving Beetle - Hydrophilus triangularis Berosus sp. - Berosus Texas SE Gulf Coast - Hydrophilus? - Hydrophilus triangularis
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
ca. 180 spp. in 21 genera north of Mexico(1); 48 genera (+29 subgenera) worldwide(2)
all 6 tribes known worldwide are represented in NA, but Sperchopsini (3 NA spp. in 2 genera) and Chaetarthriini (4 Chaetarthria spp.) are not yet in the Guide
worldwide and across NA(1)