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Species Page - Dyschirius politus
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scientific name    Dyschirius politus    

habitat
Usually on river banks, at times on lake shores, but also in not too dry spots with low vegetation.

seasonality
This species has been collected from June to August.

identification
Member of the politus group, with reduced number of dorsal punctures, 1-2, on the 3rd elytral interval, and the two teeth on the lateral margin of the protibiae rudimentary. Black or dark piceous with more or less pronounced metallic lustre (brassy, rarely bluish or greenish), antennae piceous with one plae basal segemnt (or more), legs reddish or piceous with more or less darkened femora. Anterior margin of clypeus usually truncate. Elytron with 1 subhumeral fovea and 2 preapical punctures. Length 3.4-4.9 mm.

life history
No information available.

conservation
Common.

diet info
Both larvae and adults are predatory.

range
This species is found throughout northern United States and most of Canada. In Alberta this species is found in the southern three fifths.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=2516



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References (2)
Specimen Info
There are 67 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (67)

 

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