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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

"Species Details - Pterostichus protractus, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-5014/9-568945. Accessed 31 Mar. 2025.

References

Specimen Information

There are 45 specimens of this Species.

45 results plotted on map in 8 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM234875 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Utah, Piute county, Circleville Mountain Collected ByBall, G. E.; Erwin, T. L.; Leech, R. E. Date Collected1967-09-17

UASM234876 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Utah, Piute county, Circleville Mountain Collected ByBall, G. E.; Erwin, T. L.; Leech, R. E. Date Collected1967-09-17

UASM234877 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Utah, Piute county, Circleville Mountain Collected ByBall, G. E.; Erwin, T. L.; Leech, R. E. Date Collected1967-09-17

UASM234878 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Utah, Piute county, Circleville Mountain Collected ByBall, G. E.; Erwin, T. L.; Leech, R. E. Date Collected1967-09-17

UASM234879 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Utah, Piute county, Circleville Mountain Collected ByBall, G. E.; Erwin, T. L.; Leech, R. E. Date Collected1967-09-17

UASM234880 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Utah, Piute county, Circleville Mountain Collected ByBall, G. E.; Erwin, T. L.; Leech, R. E. Date Collected1967-09-17

UASM234881 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Utah, Piute county, Circleville Mountain Collected ByBall, G. E.; Erwin, T. L.; Leech, R. E. Date Collected1967-09-17

UASM234882 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Utah, Piute county, Circleville Mountain Collected ByBall, G. E.; Erwin, T. L.; Leech, R. E. Date Collected1967-09-17

UASM234883 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Utah, Kane county, Glendale Collected ByBall, G. E.; Erwin, T. L.; Leech, R. E. Date Collected1967-09-17

UASM344912 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Colorado, Grand county, Horseshoe Campground Collected ByEvans, H. E. Date Collected1984-08-29

UASM344913 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Colorado, Grand county, Horseshoe Campground Collected ByEvans, H. E.; Evans, M. A. Date Collected1985-07-17

UASM360977 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Gorge Creek Collected ByMiller, A. Date Collected1958-07-18

UASM360978 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Gorge Creek Collected ByMiller, A. Date Collected1958-07-18

UASM360979 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Gorge Creek Collected ByHocking, D. Date Collected1958-07-09

UASM360980 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Gorge Creek Collected ByHocking, D. Date Collected1958-08-05

UASM360981 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Gorge Creek Collected ByHochachka, P. Date Collected1958-06-22

UASM360982 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Gorge Creek Collected ByHochachka, P. Date Collected1958-06-22

UASM356030 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Banff National Park, Lake Minnewanka Collected ByCarr, F. S. Date Collected1927-08-07

UASM356031 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedUnited States: Idaho, Latah county, Moscow

UASM356032 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lundbreck Collected ByCarr, F. S. Date Collected1928-08-27

UASM356033 - Pterostichus protractus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Lundbreck Collected ByCarr, F. S. Date Collected1928-08-27

Adult Seasonal Distribution

  • Specimens collected within a specified date range, but specimens collected at the same date and location are counted as one specimen.
  • All specimens collected within a specified date range