. . . . . . . . . "Acronicta superans" . . "Sorbus" . . "Larry Clarfeld. 2014. Acronicta superans insect host plant Sorbus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/827563> 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." .