Pterostichus caligans

Horn, 1891

Pterostichus caligans is a ground beetle in the Carabidae, described by Horn in 1891. The species belongs to the large Pterostichus, which comprises numerous predatory ground beetles distributed across North America. Very little specific information about this particular species has been documented in the available literature. Records indicate it occurs in the United States, though detailed biological studies appear to be lacking.

Pronunciation

How to pronounce Pterostichus caligans: /təˈrɒstɪkəs ˈkælɪɡənz/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Distribution

United States; North America. GBIF records indicate presence in USA with status marked as PRESENT. iNaturalist reports 3 observations of this .

More Details

Taxonomic note

Pterostichus caligans was described by George Henry Horn in 1891. The is part of the Pterostichinae , a diverse group of ground beetles often characterized by their elongated body form and predatory habits. The Pterostichus has undergone significant taxonomic revision, with related genera such as Abax, Molops, and Poecilus sometimes treated as subgenera or separate genera depending on the classification system used.

Data availability

This has minimal presence in public biodiversity databases. As of the available sources, iNaturalist reports only 3 observations, and no Wikipedia summary exists. This scarcity of records suggests either genuine rarity, under-sampling, or potential taxonomic uncertainty that may have limited documentation effort.