Cratacanthus dubius
(Palisot de Beauvois, 1811)
Dubious Harp Ground Beetle
Cratacanthus dubius is a of ground beetle in the Carabidae, and the sole member of the Cratacanthus. It is a moderately-sized with a distinctive harp-like pronotal shape that gives the genus its name. The species has a broad distribution across North America, with records from both Canada and the United States. Its reflects both its taxonomic placement in the harp ground beetle lineage and the uncertainty that surrounded its early classification.
Pronunciation
How to pronounce Cratacanthus dubius: /kræ.təˈkænθəs ˈdjuː.bi.əs/
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Identification
Distinguished from other harpaline ground beetles by its unique pronotal , which features a harp-shaped (lyre-like) lateral margin. As the only in its , it can be separated from all other Carabidae by this distinctive pronotal structure combined with other harpaline characteristics including and .
Images
Distribution
North America; present in Canada and the United States. Records span multiple regions across both countries.