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 Myzus (Nectarosiphon) persicae (Sulzer, 1776) Diagnosis Aptera 1.2–2.2 mm , almond-shaped, pale yellow to dirty yellow, olive, green, brownish, purple or reddish. For image, see e.g., Albrecht (2015) . Siphunculi twice as long as cauda or more, slightly swollen beyond middle. Dioecious, alternating between peach ( Prunus persica ) and plants of more than 40 families. Anholocyclic in the north and in the tropics. Usually in urban environments, also a common indoor pest. Thuja is hardly a true host. Recorded coniferous hosts Cupressaceae : Thuja plicata ? Distribution D F N S. F7 (F1) On thin roots, embedded in wax wool ........................................... Gootiella Tullgren, 1925