Species Details

Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

SeasonalityAdults collected during the summer months (no Alberta specimens available). IdentificationMember 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.

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…
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…
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.

Citation

Page Citation for Pterostichus protractus

Page Citation

"Pterostichus protractus, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-5014. Accessed 19 Sep. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Coleoptera Suborder Adephaga Superfamily Caraboidea Family Carabidae Subfamily Harpalinae Tribe Pterostichini Genus Pterostichus Species Pterostichus protractus
This hierarchy is created from our museum records, it may not always accurately reflect modern taxonomies.

Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum