Systematics and distributions of the genera Cyrtusa Erichson, Ecarinosphaerula Hatch, Isoplastus Horn, Liocyrtusa Daffner, Lionothus Brown, and Zeadolopus Broun of the United States and Canada (Coleoptera: Leiodidae: Leiodinae: Leiodini) Author Peck, Stewart B. Author Cook, Joyce text Insecta Mundi 2013 2013-06-28 2013 310 1 32 journal article 4974 10.5281/zenodo.5193714 8df27694-d6a3-43d8-8a92-a085ef706e26 1942-1354 5193714 1CC5FBEF-1373-444C-AA1C-0E80445A7B6E The Leiodes genus-group This group is characterized by having the mesosternum oblique between the mesocoxae. In North America it is known to contain only the genera Leiodes Latreille and Ecarinosphaerula Hatch. Baranowski (1993) revised the North American species of Leiodes . We here contribute new data on the genus Ecarinosphaerula Hatch.