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Species Page - Dytiscus fasciventris
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scientific name    Dytiscus fasciventris    

Permanent ponds and marshes, with sedges (Larson et al. 2000). Associated with aquatic macrophytes.

Flight records from April to November, all teneral specimens collected in July.

Small (22.0 to 27.9 mm), oval-shaped (Larson et al. 2000). Brown to brown-black - some with green appearance. Median chevron on head. Basal antennal segments yellow, terminal segments darker. Lateral and anterior margins of pronotum with yellow borders. Ventral surface yellow to reddish, except metacoxa yellow and metasternum brown-black medially. Yellow legs, with darker tarsi and tibia.

life history
Overwinter as adults in permanent waters (Larson et al. 2000). Late fall or early spring mating. Univoltine (Aiken and Wilkinson 1985). Strong swimmers, hind legs move together while swimming. Adults attracted to lights.

No special status (IUCN 2000).

diet info
Predatory - active swimmers (Larson et al. 2000). Invertebrate and fish larvae prey. Mosquito larvae (Diptera: Culicidae) in early spring.

In Alberta, this species is recorded from the southern two thirds. This species ranges from the Yukon to Nova Scotia, as far south as Southern Illinois and Southern Indiana (Larson et al. 2000). No records from Alaska.

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Specimen Info
There are 29 specimens of this species in the online database
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Specimen List (29)


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