Fig. 6 in Illustrated identification guide to the Nordic aphids feeding on Conifers (Pinophyta) (Insecta, Hemiptera, Sternorhyncha, Aphidomorpha)

Fig. 6. Adelges (Dreyfusia) nordmannianae (Eckstein, 1890). A. Gall on Picea orientalis (orig.). B. First instar hibernating fundatrix, spinal plates on meso- and metathorax (left side), showing arangement of wax gland pits (after Eichhorn 1956). C. Gallicola (after Carter 1971, redrawn and slightly modified from Heie 2004).Published as part of Albrecht, Anders Christian, 2017, Illustrated identification guide to the Nordic aphids feeding on Conifers (Pinophyta) (Insecta, Hemiptera, Sternorhyncha, Aphidomorpha), pp. 1-160 in European Journal of Taxonomy 338 on page 50, DOI: 10.5852/ejt.2017.338, http://zenodo.org/record/383434