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For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

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


Genus Hydroporus

Predacious Diving Beetle - Hydroporus striola Hydroporus dentellus Fall - Hydroporus dentellus Dytiscid 05 - Hydroporus rufilabris Hydroporus  - Hydroporus badiellus Hydroporus melsheimeri Fall - Hydroporus melsheimeri - male Hydroporus sp.? - Hydroporus niger Hydroporus larsoni (Nilsson) - Hydroporus larsoni Predaceous Diving Beetle - Hydroporus tristis ? - Hydroporus tristis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Dytiscidae (Predaceous Diving Beetles)
Subfamily Hydroporinae
Tribe Hydroporini
Genus Hydroporus
Explanation of Names
Hydroporus Clairville 1806
~55 recognized species in North America(1)
2.6-7.1 mm(1)
epipleuron with no carina at the humeral angle (separates from Hygrotus)
metacoxal lobes not incised medially; hind (posterior) margins of metacoxal lobes generally straight or slightly angled medially (1)
colouration generally dark on the elytra and ventral surface; some with pale markings on the dorsal surface
Throughout North America & Eurasia
lentic; usually at the shallow margins of ponds and other bodies of standing water; among emergent vegetation