Prociphilus (Prociphilus) fraxini (Fabricius, 1777) Diagnosis Apterae 1.8–2.7 mm, pale, wax-covered. Very similar to P. bumeliae, but with posterior wax gland plates on head weakly developed, sometimes absent. Diagnosis based on Heie (2004). Holocyclic and dioecious, alternating between Fraxinus excelsior (Oleaceae) and roots of Abies, where wax-covered colonies are formed. Not ant-attended. Recorded secondary hosts Pinaceae: Abies alba, balsamea, nordmanniana, sibirica, spp. Distribution D N S. Remarks Holman (2009) also lists Prociphilus (Stagona) xylostei from Abies roots. See under Picea (entry A17, p. 17). B3 (B2) On aerial parts of the tree .................................................................................................B4 B4 (B7) Antennae at most 3-segmented. Scattered on bark or needles .........................................B5 B5 (B6) On needles .................................................................. Adelges (Aphrastasia) Börner, 1909

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 pages 19-20, DOI: 10.5852/ejt.2017.338, http://zenodo.org/record/3834349