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Species Page - Pterostichus surgens
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scientific name    Pterostichus surgens    

habitat
Mainly alpine meadows above tree line, less often in mountain forests.

seasonality
Adults collected May to September.

identification
Member of the ventricosus group, (subgenus Cryobius.) Black, upper surface without metallic lustre, elytra not iridescent; palpi, antennae and legs rufous. Prothorax very convex with strongly rounded sides and short basal sinuation, front-angles very little prominent, hind-angles right or slightly obtuse, usually denticulate. Lateral bead rather coarse basally, elytra with small shoulder tooth and usually only 2 dorsal punctures.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=5031



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Specimen Info
There are 30 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (30)

 

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