Family Dryopidae - Long-toed Water Beetles

Classification · Other Common Names · Synonyms and other taxonomic changes · Explanation of Names · Numbers · Size · Identification · Range · Habitat · Food · Works Cited

Dryopidae, ventral - Helichus lithophilus

Helichus lithophilus ? - Helichus lithophilus

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Polyphaga

No Taxon (Series Elateriformia)

Superfamily Dryopoidea

Family Dryopidae (Long-toed Water Beetles)

Other Common Names

Long-toed Beetles, Hairy Water Beetles

Synonyms and other taxonomic changes

Parnidae Leach

Explanation of Names

Dryopidae Billberg 1820 (1817)

Numbers

13 spp. in 5 genera in our area(1), ~300 spp. in 33 genera total(2)

Size

1-8 mm(1)

Identification

keys to spp. in (3)

Range

worldwide (except Australia and Antarctica) and throughout NA(1)

Habitat

adults mostly aquatic (in NA), some riparian (on emergent vegetation in still waters); larvae terrestrial(1); Stygoparnus comalensis (a TX endemic) lives in subterranean water bodies(4)

Food

adults and larvae herbivorous(1)

Works Cited

1.	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.

2.	Order Coleoptera Linnaeus, 1758. In: Zhang Z.-Q. (ed.) Animal biodiversity: An outline of higher-level classification... Ślipiński S.A., Leschen R.A.B., Lawrence J.F. 2011. Zootaxa 3148: 203–208.

3.	Aquatic dryopoid beetles (Coleoptera) of the United States. Biota of Freshwater Ecosystems: Identification Manual, no. 6. Brown, H.P. 1972. Water Pollution Control Research Series, EPA, Washington, D.C. ix + 82 pp.

4.	The Water Beetles of Florida Epler J.H. 2010. Florida Department of Environmental Protection. Tallahassee. 414 pp.

Contributed by Jim McClarin on 7 August, 2005 - 4:18pm
Additional contributions by cotinis, Phillip Harpootlian, Mike Quinn, Tim Moyer, v belov
Last updated 8 April, 2023 - 6:00pm

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2025 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Printer Friendly Version