Illustrated identification guide to the Nordic aphids feeding on Conifers (Pinophyta) (Insecta, Hemiptera, Sternorhyncha, Aphidomorpha) Albrecht, Anders Christian European Journal of Taxonomy 2017 2017-07-24 338 1 160 [293,393,1704,1735] Insecta Aphids GBIF Animalia Hemiptera 26 27 Arthropoda family