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Pterostichus adstrictus · Order: Coleoptera · Family: Carabidae
It is found widely across North America, from the Bering Sea coast to Newfoundland and south to several U.S. states including Pennsylvania and California.
Source: Wikipedia
How to recognize it
Pterostichus adstrictus is a ground beetle.
Source: Wikipedia
Where it comes from
Its native range is Holarctic, covering much of North America.
Source: Wikipedia
Where it is found in the US
Recorded in 27 of 51 states and DC. Most records: Alaska, Colorado, New Mexico, Arizona, Vermont, New Hampshire, Michigan, Utah.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Same family (Carabidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Pterostichus_adstrictus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.