DuPage County was formed on 9 February 1839 out of Cook County. The county took its name from the DuPage River, which was, in turn, named after a French fur trapper, DuPage.
Jeff Hahn, University of Minnesota. Spittlebug is a common insect in strawberries in Minnesota home gardens but it is not usually damaging enough to be considered a problem. The nymphs create a foamy mass that they use for protection.
Spittle Bugs (Aphrophora saratogensis) Spittle bugs, like aphids, feed on the sap of the leaves of the birch tree. The damage these bugs do is minor, although unattractive. The leaves may drop prematurely from the tree, turn brown, turn yellow, shrivel up or become otherwise malformed.