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Species Page - Pterostichus protractus
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scientific name    Pterostichus protractus    

habitat
Appears to be confined to forests in mountains and foothills.

seasonality
Adults collected during the summer months (no Alberta specimens available).

identification
Member of the amethystinus group, (subgenus Hypherpes). Pure black, mouthparts, antennae and tarsi more or less piceous. Prothorax with area between inner basal impression and side margin almost flat, the outer impression indistinct; sinuation of sides oftern faint, basal angles obtuse to right. Elytra coalescent along suture, with evident shoulder tooth. Length 13.5 to 15.5 mm.

life history
Believed to overwinter in the adult stage.

conservation
Rare.

diet info
Both larvae and adults are predatory.

range
This species is recorded from the mountains of western United States and Canada. Published records indicate that this species has been collected in the mountains and foothills, from Lundbreck in the south to Jasper in the north.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=5014



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References (2)
Specimen Info
There are 32 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (32)

 

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