Harpalus cohni

Ball, 1972

Harpalus cohni is a of ground beetle in the Harpalalinae, described by George E. Ball in 1972. It belongs to the large Harpalus, one of the most diverse genera within the Carabidae . The species is known from the United States, with distribution records indicating presence in North America. Like other members of Harpalus, it is likely a or , though specific ecological details remain poorly documented due to limited study.

Pronunciation

How to pronounce Harpalus cohni: /ˈhɑːrpələs koʊni/

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Identification

Identification to level requires examination of male genitalia and other subtle morphological characters, as is typical for the Harpalus. The species can be distinguished from by features described in Ball's 1972 original description, including specifics of the and elytral microsculpture. Specimens should be compared against the type series deposited in an appropriate repository.

Appearance

As a member of Harpalus, H. cohni likely exhibits the typical of the genus: elongate-oval body form, , and prominent . The name honors Theodore Cohn, a , suggesting the may have been collected in connection with entomologists working on orthopteran fauna. Specific coloration, size, and diagnostic morphological features require examination of type material or original description.

Distribution

United States; North America. Specific locality data for the type series and subsequent records are sparse in available sources.

Ecological Role

As a ground beetle in the Harpalinae, H. cohni likely functions as a of small and possibly as a scavenger. Members of Harpalus are known to be important components of ground-dwelling in agricultural and natural , contributing to of pest .

Human Relevance

The has no documented direct economic importance. Its eponym honors Theodore Cohn, recognizing contributions to entomology rather than any specific human use of the itself.

Similar Taxa

Harpalus pensylvanicusCommon eastern North American with similar general appearance; distinguished by specific genitalic and elytral characters
Other Harpalus speciesThe contains over 500 globally, many with subtle morphological differences requiring expert identification

More Details

Etymology

The specific epithet 'cohni' honors Theodore Cohn (d. 2013), an American entomologist who specialized in the study of katydids (Orthoptera: Tettigoniidae), particularly the Listroscelidinae. The was named by George E. Ball, a prominent carabidologist, in recognition of Cohn's contributions to entomology.

Taxonomic History

Described in 1972 by George E. Ball, a leading authority on North American Carabidae. The original description appeared in a publication dealing with Harpalinae fauna. The has received limited subsequent taxonomic attention, reflecting the general pattern for many described but poorly studied insect species.