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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Elateriformia » Byrrhoidea » Water Penny Beetles (Psephenidae) » Psepheninae » Psephenus

Genus Psephenus

Classification · Synonyms and other taxonomic changes · Explanation of Names · Numbers · Size · Identification · Range · Works Cited
flat larva - Psephenus herricki water penny beetle - Psephenus herricki Coleoptera - Psephenus herricki Psephenus herricki - female Psephenidae - Psephenus herricki Psephenidae - Psephenus herricki 9049735 Psephenidae - Psephenus herricki Psephenus larva - Psephenus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Elateriformia)
Superfamily Byrrhoidea
Family Psephenidae (Water Penny Beetles)
Subfamily Psepheninae
Genus Psephenus
Synonyms and other taxonomic changes
revised in (1)
Explanation of Names
Psephenus Haldeman 1853
from ?psephenos(ψεφηνος) 'dark, obscure'
Numbers
7 spp. in our area(2), a dozen total(3)
Size
adult 4-6 mm
Identification
Larvae have abdominal gills (Ectopria's do not) --D.S. Chandler's comments
Range
New World; in our area, e. Canada (NS-ON)(4) + e., so., & w. US(2)
Works Cited
1.A revision of the genus Psephenus (Water-Penny Beetles) of the United States and Canada (Coleoptera, Dryopoidea, Psephenidae)
Brown H.P., Murvosh C.M. 1974. Trans. Am. Ent. Soc. 100: 289–340.
2.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
3.BioLib.cz
4.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
Contributed by tom murray on 2 November, 2005 - 8:29pm
Additional contributions by cotinis, Chuck Entz, v belov, Chuck Sexton, Arturo Santos
Last updated 18 May, 2023 - 5:03pm

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