Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

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National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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

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

Species Coptotomus venustus

Representative Images

Coptotomus - Coptotomus venustus Coptotomus venustus (Say) - Coptotomus venustus - female Coptotomus venustus (Say) - Coptotomus venustus Coptotomus venustus (Say) - Coptotomus venustus Coptotomus venustus Coptotomus venustus

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Dytiscidae (Predaceous Diving Beetles)
Subfamily Coptotominae
Genus Coptotomus
Species venustus (Coptotomus venustus)

Explanation of Names

Coptotomus venustus (Say 1823)

Identification

Labial and maxillary palpi notched apically; last abdominal sternite without a pair of medial parallel grooves; elytra without dense sculpture of irregular grooves(1)

Range

e US (NJ-FL to IL-TX) & Mexico(2)(3)

Works Cited

1.The Water Beetles of Florida
Epler J.H. 2010. Florida Department of Environmental Protection. Tallahassee. 414 pp.
2.Predaceous Diving Beetles (Coleoptera: Dytiscidae) of the Nearctic Region, with emphasis on the fauna of Canada and Alaska
D.J. Larson, Y. Alarie, and R.E. Roughley. 2001. NRC 43253.
3. A distributional checklist of the beetles (Coleoptera) of Florida.
Peck & Thomas. 1998. Florida Department of Agriculture and Consumer Services, Gainesville. 180 pp.
Contributed by Tim Loh on 24 June, 2009 - 2:01am
Additional contributions by Mike Quinn, v belov
Last updated 2 July, 2023 - 1:05am

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