Pterostichus barryorum

Ball, 1962

woodland ground beetle

Pterostichus barryorum is a of ground beetle in the Carabidae, described by Ball in 1962. It is one of many species within the large Pterostichus, which comprises numerous woodland-dwelling carabid beetles found across North America. The species is recorded from Alaska, Canada, and the United States.

Pronunciation

How to pronounce Pterostichus barryorum: /ˌtɛrəˈstɪkəs ˌbæriˈɔːrəm/

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Identification

As a member of the Pterostichus, this would be expected to exhibit the general morphological characteristics typical of the genus: elongated body form, with distinct grooves, and . Definitive identification to species level requires examination of male genitalia and other subtle morphological characters, as is standard for this taxonomically complex genus. Specific diagnostic features distinguishing P. barryorum from are not documented in the available sources.

Habitat

The "woodland ground beetle" suggests association with forested . of Pterostichus are generally found in moist woodland environments, often in leaf litter and under debris.

Distribution

Recorded from Alaska, Canada, and the United States. GBIF distribution records specifically list Alaska as a present location. The occurs in North America broadly.

More Details

Taxonomic Context

Pterostichus is one of the largest of ground beetles in North America, with over 200 described . The genus has been subject to extensive taxonomic revision, and species-level identification remains challenging due to morphological similarity among many . P. barryorum was described by George E. Ball, a prominent carabid taxonomist, in 1962.