Calathus ingratus explained

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

Further reading

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