Phenacoccus aceris (Signoret, 1875)
polyphagous tree mealybug, apple mealybug
on trees and shrubs
from Beers (2007a).
parasite
Adult female oval, 3 x 4 mm, greenish yellow, covered in white to grey mealy wax, with 18 pairs of short marginal wax filaments. They produce a long, woolly white ovisac, usually on the bark; adults often drop off once the ovisac is fully formed. Scales on the leaves or on the branches, depending on the season.
host plants
Acer platanoides, pseudoplatanus; Aesculus hippocastanum; Alnus glutinosa, incana; Betula; Carpinus betulus; Castanea sativa; Cornus sanguinea; Corylus avellana, maxima; Cotoneaster; Crataegus monogyna;Cydonia oblonga; Fagus sylvatica; Fraxinus excelsior; Hedera helix;Juglans regia; Malus domestica; Mespilus germanica; Ostrya carpinifolia; Prunus armeniaca, domestica, spinosa; Quercus x hispanica, robur; Ribes nigrum, rubrum, uva-crispa; Salix; Sorbus aucuparia; Spiraea; Tilia cordata, platyphyllos; Ulmus; Vaccinium; Vitis vinifera.
references
Beers (2007a), Ćwierzyk & Dziedzicka (1987a), Dziedzicka (1988a), Gertsson (2016a), Hellrigl (2004a), Hoffmann (2002a), Jansen (1999b), Kaydan, Kilinçer & Kondo (2015a), Kaydan, Ülgentürk, Zeki, ao (2004a), Koteja & Żak-Ogaza (1966a), Kozár, Guignard, Bachmann ao (1994a), Kozár & Ostafichuk (1987a), Malumphy (2010a), Malumphy & Kahrer (2011a), Malumphy & Ostrauskas (2009a), Malumphy, Ostrauskas & Pye (2008a, 2010a), Masten Milek, Šimala & Markotić (2015a), ScaleNet (2018), Seljak (2010a), Żak-Ogaza & Koteja (1964a).