Coleoptera (Beetles) in and around DuPage County, IL
   

Apion rostrum (Baptisia Weevil)
Kirt Prairie
2006/07/25
Kirt Prairie
2006/07/25
eggs on WHITE WILD INDIGO, Kirt Prairie
2006/06/21
larvae, Kirt Prairie
2006/07/25
ovipositing, Schulenberg
2009/06/22
Carausius morosus (Indian Walking Stick)
Northerly Island
2010/07/23
Chauliognathus marginatus (Margined Leatherwing)
Northerly Island
2010/07/23
Chauliognathus pennsylvanicus (Goldenrod Soldier Beetle)
on COMMON MILKWEED, Kirt Prairie
2005/06/30
on COMPASS PLANT, Kirt Prairie
2011/08/25
on STIFF GOLDENROD, Kirt Prairie
2009/08/31
Chrysochus auratus (Dogbane Beetle)
on COMMON MILKWEED, Kirt Prairie
2005/07/11
on DOGBANE, Kirt Prairie
2005/06/30
on DOGBANE, Kirt Prairie
2006/06/27
Coccinella septempunctata (Sevenspotted Lady Beetle)
Brown Ambrosia Aphid, Kirt Prairie
2007/06/20
Curculio caryae (Pecan Weevil)
Danada
2011/10/09
Danada
2011/10/09
Dynastes tityus (Hercules Beetle)
Northerly Island
2010/07/23
Haplorhynchites aeneus (Sunflower Headclipping Weevil)
Kirt Prairie
2006/06/27
Kirt Prairie
2009/07/21
Kirt Prairie
2009/07/21
on COMMON MILKWEED, Kirt Prairie
2009/06/23
on COMPASS PLANT, Kirt Prairie
2009/07/13
Harmonia axyridis (Asian Lady Beetle)
Aphid on BUR OAK, Kirt Prairie
2005/10/18
larva on BUR OAK, Kirt Prairie
2005/10/18
larva on COMMON MILKWEED, Kirt Prairie
2006/06/27
larva on COMMON MILKWEED, Kirt Prairie
2009/06/23
larvae on BUR OAK, Kirt Prairie
2005/10/18
Nitidulidae (Sap Beetle)
Northerly Island
2010/07/23
Peltodytes edentulus (Crawling Water Beetle)
Ecological Study Area
2009/06/17
Photinus pyralis (Common Eastern Firefly)
Kirt Prairie
2009/07/21
Popillia japonica (Japanese Beetle)
on ILLINOIS ROSE, Ecological Study Area
2005/06/29
on SHOWY TICK TREFOIL, Kirt Prairie
2011/08/25
Psephenidae (Water Penny)
Pilcher Park
2007/03/31
Tetraopes tetraopthalmus (Red Milkweed Beetle)
on COMMON MILKWEED, Kirt Prairie
2005/06/30
on COMMON MILKWEED, Kirt Prairie
2005/06/30

Root Updated: May 24, 2012. copyleft Peter Chen