Today’s caterpillar is from another monotypic genus in the family Sphingidae. The pawpaw sphinx (Dolba hyloeus) hosts not only on pawpaw (Asimina triloba), but also on hollies-Ilex and blueberries-Vaccinium. This animal was found on A. triloba in early August at Babler State Park in St. Louis County, MO.
A Thousand Acres of Silphiums 