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Species Page - Dyschirius quadrimaculatus
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scientific name    Dyschirius quadrimaculatus    

habitat
On steep river banks of sand-mixed clay lacking vegetation.

seasonality
This species has been collected in May, June and August.

identification
Member of the quadrimaculatus group, clypeus with two blunt median teeth. Pale yellowish brown, more or less piceous ventrally, elytra about middle with a transverse dark cloud (slightly metallic) which usually extends along the suture from base to apex; shoulder region and apex always pale; prothorax often with a similar cloud on dis; antennae entirely yellow. Elytron with 3 dorsal punctures adjacent to 3rd stria, anterior puncture large; 1 subhumeral fovea; and 2 preapical punctures. Length 3.3-4.0 mm.

life history
No information available.

conservation
Moderately rare.

diet info
Both larvae and adults are predatory.

range
This species is found on the northern central plains of United States, and on the prairie region of Canada. In Alberta this species is known from the southern third, and one locality near Flatbush, north of Edmonton.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=2523



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Related Species Info
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References (2)
Specimen Info
There are 21 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (21)

 

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