Illustrated identification guide to the Nordic aphids feeding on Conifers (Pinophyta) (Insecta, Hemiptera, Sternorhyncha, Aphidomorpha) Author Albrecht, Anders Christian text European Journal of Taxonomy 2017 2017-07-24 338 1 160 journal article 22023 10.5852/ejt.2017.338 be9f3ab9-3131-4e11-8d29-a94275ffaac9 2118-9773 3834349 86786AB1-4A1A-4A1E-B42B-53B73D66ED60 Adelges (Sacciphantes) viridis (Ratzeburg, 1843) Figs 56–57 Diagnosis Neosistens: 0.5–0.8 mm , dull green with small, roundish wax gland plates on head, thorax and abdomen. Wax glands with double-walled facets secreting hollow tubes of wax. Sexuparae on Larix in spring pale greenish with sparse wax secretion. Aptera in summer covered with fine wax wool. Alatae 1.3–1.7 mm . Holocyclic and dioecious, alternating between Picea and Larix . On Larix overwintering at bud bases or in bark crevices on twigs and branches. In spring and summer on needles. Not ant-attended. Recorded secondary hosts Pinaceae : L. decidua * , decidua x kaempferi , kaempferi , sibirica * , spp. Distribution F.