Moths in Your Pocket: A Guide to the Saturn and Sphinx Moths of the Upper Midwest

This welcome addition to Iowa’s popular series of laminated guides—the twenty-seventh in the series—illustrates fifty-one species commonly found in the Upper Midwest states of Illinois, Iowa, Indiana, Michigan, Minnesota, Ohio, and Wisconsin.

The Saturniid, or Giant Silk moths, are well named. Their large size—up to 6.5 inches for the cecropia moth—and the soft silky browns, greens, and oranges of their wings are unforgettable when they appear at a lighted window at night. Equally well name...