Species Details
Dytiscus fasciventris
University of Alberta E.H. Strickland Entomological Museum Read more about this collection »
SeasonalityFlight records from April to November, all teneral specimens collected in July.
IdentificationSmall (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.
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…
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.
Citation
Page Citation for Dytiscus fasciventris
Page Citation
"Species Details - Dytiscus fasciventris, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-4254. Accessed 04 May. 2024.
Specimen Information
There are 29 specimens of this Species.
UASM32358 - Dytiscus fasciventris
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Prince Edward county
Collected ByBrimley, J. F.
Date Collected1920-08-08
UASM32359 - Dytiscus fasciventris
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Michigan, Cheboygan county
Collected BySanderson, M.
Date Collected1935-07-05
UASM32360 - Dytiscus fasciventris
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Prince Edward county
Collected ByBrimley, J. F.
Date Collected1919-04-19
UASM32361 - Dytiscus fasciventris
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Illinois, Cook county, Chicago
UASM32362 - Dytiscus fasciventris
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: Illinois, Cook county, Chicago
Date Collected1922-04-01
UASM32363 - Dytiscus fasciventris
University of Alberta E.H. Strickland Entomological Museum
Place CollectedUnited States: New Jersey, Morris county, Green Village
UASM32365 - Dytiscus fasciventris
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Ontario, Greenhurst
Date Collected1913-10-25
UASM272872 - Dytiscus fasciventris
University of Alberta E.H. Strickland Entomological Museum
Place CollectedCanada: Alberta, Athabasca
Collected ByLarson, D. J.
Date Collected1971-05-31