Pterostichus amethystinus
Mannerheim, 1843
Pterostichus amethystinus is a of ground beetle in the Carabidae, first described by Mannerheim in 1843. It belongs to the large Pterostichus, a diverse group of predatory beetles commonly known as woodland ground beetles. The species is distributed across northern North America including Alaska, Canada, and the contiguous United States. As with other members of its genus, it is likely a inhabiting forest floor , though specific ecological details remain poorly documented in published literature.

Pronunciation
How to pronounce Pterostichus amethystinus: /tɛˈrɔstɪkʊs ˌæmɪˈθɪnəs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
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Habitat
Woodland and forest floor environments, based on its classification as a woodland ground beetle and the general of the Pterostichus.
Distribution
Alaska, Canada, and the United States. GBIF records confirm presence in Alaska and broader North America. iNaturalist documents 110 observations, supporting its occurrence across northern North America.
Ecological Role
Likely functions as a in forest floor , consistent with the predatory documented for the Pterostichus, though specific studies on this are lacking.
More Details
Taxonomic status
Accepted per GBIF and NCBI databases. Authority: Mannerheim, 1843.
Data availability
Limited -specific biological data exists in accessible literature. Most information is inferred from -level characteristics or remains undocumented.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
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