. . . . . . . . . "Ulmus rubra" . . "Lymantria dispar" . . "owenclarkin. 2016. Ulmus rubra insect host plant Lymantria dispar. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/4908691> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .