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Species Page - Pterostichus patruelis
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scientific name    Pterostichus patruelis    

Eurytopic swamp species, especially prevalent in sphagnum bogs and eutrophic Carex mires.

Adutls collected in May to July, September and October.

Member of the patruelis group, (subgenus Argutor). Pure black, rather dull, mouthparts,base of inner antennal segments and at least tibiae piceous. Prothorax with very slight and short sinuation of sides before hind angles, which are about right; latero-basal fovea usually surrounded by scattered puntures. Elytral striae virtually impunctate. Prosternum smooth. Length 6 to 8 mm.

life history
Overwinters in the adult stage.

Relatively common.

diet info
Both larvae and adults are predatory.

This species is recorded from northern United States and most of Canada. In Alberta this species is

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Specimen Info
There are 89 specimens of this species in the online database
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Specimen List (89)


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