The Scarabaeoidea (Coleoptera) of Iowa: An annotated checklist Author Freese, Edwin L. 33493 “ S ” Avenue Adel, Iowa 50003 Author Veal, Doug A. 168 Thompson Drive SE Cedar Rapids, Iowa 52403 Author Lago, Paul K. Biology Department, University of Mississippi University, Mississippi 38677 text Insecta Mundi 2020 2020-08-28 2020 787 1 83 journal article 10.5281/zenodo.5353792 1942-1354 5353792 88D45C5E-0E49-4F02-87A4-C4FA55A83B2F Odonteus thoracicornis Wallis , 1928 Howden 1955a ; Harpootlian 2001 ; ISIC; DAVC; ELFC; MJPC. Collection dates: May–June, August, November. Specimens were collected under soil pushup along shaded path and at light. Specimen label data: Hitchcock Nature Area , Pottawattamie Co. , Iowa , 13 June 2004 , under soil pushup on path, ELF ( ELFC ) ; Backbone State Park , Delaware Co., Iowa , 29 May 2006 , UV light, ELF ( ELFC ) . County records ( Figure 8 ): Appanoose, Clayton, Dallas, Des Moines, Fremont, Linn, Muscatine, Pottawattamie, Story. Eucanthus Westwood, 1848