. . . . . . . . . "Adelges tsugae" . . "Tsuga canadensis" . . "James Mickley. 2015. Adelges tsugae interaction->herbivore of Tsuga canadensis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2508865> 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." .