Pterostichus ebeninus

(Dejean, 1828)

woodland ground beetle

Pterostichus ebeninus is a of in the , described by Dejean in 1828. It is classified as a woodland ground beetle and is found in North America, specifically in Canada and the United States. The species belongs to the large Pterostichus, which contains numerous similar-looking ground beetle species that require careful examination for identification. Information on its specific biology and remains limited.

Pterostichus ebeninus by (c) John P Friel, some rights reserved (CC BY), uploaded by John P Friel. Used under a CC-BY license.

Pronunciation

How to pronounce Pterostichus ebeninus: /ˌtɛrəˈstɪkəs ˌɛˌbiˈnaɪnəs/

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Identification

Identification of Pterostichus ebeninus requires examination of male and other subtle morphological characters, as is typical for the Pterostichus. in this genus are notoriously difficult to distinguish based on external features alone. Detailed comparison with related species such as Pterostichus punctiventris and Pterostichus lachrymosus is necessary for accurate determination. The "ebeninus" (meaning ebony-colored) may refer to its dark coloration, though this trait is shared with many .

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Habitat

Associated with woodland , as indicated by its "woodland ." Specific microhabitat preferences within forested areas have not been documented.

Distribution

Recorded from Canada and the United States. GBIF distribution records confirm presence in North America with specific occurrences in Canada and USA.

Similar Taxa

Pterostichus punctiventrisAnother woodland-dwelling Pterostichus in the same geographic region, requiring careful morphological comparison for differentiation.
Pterostichus lachrymosusA closely related in the same with overlapping distribution, distinguished by subtle morphological characters.
Pterostichus punctatissimusA congeneric with similar dark coloration and , though this species has been more frequently photographed and documented in open access literature.

More Details

Taxonomic Note

The was described by Pierre François Marie Auguste Dejean in 1828, a prolific French who described numerous species. The Pterostichus is one of the largest genera in , containing over 1,000 described species worldwide, with many species in North America requiring revisionary work.

Data Availability

As of the knowledge cutoff, detailed biological information for P. ebeninus specifically is sparse. Most information available pertains to the Pterostichus as a whole or to better-studied congeneric . The species has been documented in citizen science platforms such as iNaturalist with limited observations.