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Species Page - Dytiscus fasciventris
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scientific name    Dytiscus fasciventris    

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

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

identification
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.

conservation
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.

range
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.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=4254



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Specimen Info
There are 29 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (29)

 

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