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 Phyllophaga implicita ( Horn, 1887 ) Horn 1887 ; Wickham 1911 ; Travis 1934 ; Worthington and Larsen 2010 ; ISIC; IWUC; DAVC; ELFC; PKLC. Collection dates: April–June. Collected at light. Travis (1934) reported 17,208 specimens collected from Iowa indicating this species was the second most common species in Iowa . County records ( Figure 137 ): Allamakee, Appanoose, Boone, Bremer, Cerro Gordo, Clayton, Dallas, Delaware , Des Moines, Dickinson, Fayette, Fremont, Hancock, Harrison, Henry, Jefferson, Johnson, Lee, Linn, Louisa, Mahaska, Mills, Monona, Monroe, Muscatine, O’Brien, Osceola, Polk, Pottawattamie, Sac, Story, Taylor, Van Buren, Wapello, Winnebago, Winneshiek, Woodbury.