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 Key to species of male Isoplastus of the continental United States and Canada 1. Paired apices of median lobe of aedeagus each divided at tip ( Fig. 2 ); parameres extending beyond apex of median lobe ( Fig. 2 ); widely distributed, including Florida ..... I. fossor Horn – Paired apices of median lobe inwardly curved, not divided at tips ( Fig. 3 ); parameres reach apex of median lobe ( Fig. 3 ); Florida .................................... I. floridanus Peck and Cook , n. sp.