. . . . . . . . . "Adelges abietis" . . "Picea" . . "Michael K. Oliver. 2017. Adelges abietis interaction->herbivore of Picea. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6988460> 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." .