Calathus ingratus

Calathus ingratus is a species of ground beetle in the family Carabidae. It is found in North America.

References

Ball, George E.; Nègre, Jacques (1972). "The Taxonomy of the Nearctic Species of the Genus Calathus Bonelli (Coleoptera: Carabidae: Agonini)". Transactions of the American Entomological Society. 98 (4): 413–533. JSTOR 25078119.
Lobl, I.; Smetana, A., eds. (2017). Catalogue of Palaearctic Coleoptera, Volume 1: Archostemata - Myxophaga - Adephaga. Apollo Books. ISBN 978-90-04-33029-0.

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