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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Adephaga » Predaceous Diving Beetles (Dytiscidae) » Dytiscinae » Dytiscus » Understriped Diving Beetle (Dytiscus fasciventris)

Species Dytiscus fasciventris - Understriped Diving Beetle

Understriped Diving Beetle - Dytiscus fasciventris - male

Understriped Water Beetle - Dytiscus fasciventris - male

Understriped Diving Beetle - Dytiscus fasciventris - female

Dytiscus fasciventris? - Dytiscus fasciventris - male

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Adephaga

Family Dytiscidae (Predaceous Diving Beetles)

Subfamily Dytiscinae

Genus Dytiscus

Species fasciventris (Understriped Diving Beetle)

Explanation of Names

Dytiscus fasciventris Say 1824

Size

22-28 mm(1)

Identification

only the anterior and lateral margins of pronotum are bordered by a broad pale stripe (posterior margin not bordered); lateral margin of elytron bordered by broad pale stripe on basal half only

remainder of dorsal surface brown, brownish-black, or green; ventral surface yellow to reddish except metacoxa yellow and metasternum brownish-black medially

Range

NS-YT south in the east to IN-IL(2)

Habitat

permanent ponds and marshes with sedges; found on or among aquatic plants

Season

Apr-Nov(2)

Food

larvae and adults prey on fish larvae, mosquito larvae in spring, and other aquatic invertebrates

Life Cycle

overwinters as an adult in permanent waters; mates in late fall or early spring; one generation per year

Internet References

Species page(2)

Works Cited

1.	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.

2.	University of Alberta Entomology Collection

Contributed by Tony on 22 May, 2005 - 8:53am
Additional contributions by Robin McLeod, v belov
Last updated 29 January, 2015 - 1:18am

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