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BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 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

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Taxonomy
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Family Psephenidae - Water Penny Beetles


Odd Beetle - Ectopria nervosa Water Penny Beetle Larva - Ectopria Acneus quadrimaculatus Horn - Acneus quadrimaculatus - female Unknown Beetle - Ectopria nervosa Acneus from Oregon - Acneus Beetles Ectopria nervosa - Ectopria nervosa Beetles Ectopria nervosa - Ectopria nervosa Pennsylvania Beetle for ID - Ectopria nervosa

Water penny - Eubrianax edwardsii Eubrianax edwardsii (LeConte) - Eubrianax edwardsii Eubrianax edwardsii, I guess? - Eubrianax edwardsii Eubrianax edwardsii, I guess? - Eubrianax edwardsii Water Penny larva - Eubrianax edwardsii water penny beetle - Eubrianax edwardsii - male water penny larva - Eubrianax edwardsii water penny larva - Eubrianax edwardsii

Beetles Impressive in Whitewater - Psephenus herricki water penny beetle - Psephenus herricki Water Penny Beetle - Psephenus herricki - female Water Penny Beetle - Psephenus herricki Psephenus herricki Freshwater Crustacean? - Psephenus herricki Psephenus texanus - male - female Psephenidae - Psephenus herricki