Pterostichus inanis

Horn, 1891

Pterostichus inanis is a of ground beetle in the Carabidae, first described by George Henry Horn in 1891. It is classified within the large Pterostichus, one of the most diverse genera of carabid beetles in North America. The species is known from woodland and has been documented in Canada and the United States. Like other members of its genus, it is presumed to be a predatory active on the ground surface, though specific ecological studies on this species are limited.

Pronunciation

How to pronounce Pterostichus inanis: /tɛroˈstɪkʊs ɪˈneɪnɪs/

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Habitat

Woodland environments. Based on the epithet 'inanis' (Latin for 'empty' or 'void') and its classification as a woodland ground beetle, it likely inhabits forest floor litter and soil surfaces.

Distribution

North America, specifically recorded from Canada and the United States. GBIF records confirm presence in both countries.

More Details

Taxonomic history

Described by G.H. Horn in 1891. The specific epithet 'inanis' is Latin, meaning 'empty' or 'void', though the etymological reference is not explicitly documented in available sources.

Data availability

The has minimal observation records (2 observations in iNaturalist as of source date), indicating it is rarely encountered or underreported. No dedicated ecological or behavioral studies were found in the provided sources.