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 Trichiotinus piger (Fabricius, 1775) Wickham 1911 ; Howden 1968 ; Worthington and Larsen 2010 ; ISIC; IWUC; DAVC; ELFC. Collection record: May–July. Collected from dogwood ( Cornus spp. ), wild rose ( Rosa spp. ), common milkweed ( Asclepias syriaca ), and fleabane ( Erigeron spp. ) flowers. County records ( Figure 187 ): Adams, Allamakee, Appanoose, Crawford, Dallas, Des Moines, Fremont, Harrison, Henry, Jackson, Johnson, Kossuth, Lee, Linn, Madison, Muscatine, Page, Pottawattamie, Story, Taylor, Union, Warren, Washington , Wayne, Winneshiek.