Phenacoccus aceris (Signoret, 1875)

polyphagous tree mealybug, apple mealybug

polyphagous on woody plants

Phenacoccus aceris

from Beers (2007a).


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 both on the leaves and on the branches.

host plants

Acer pseudoplatanus; Aesculus hippocastanum; Alnus glutinosa; Betula; Carpinus betulus; Castanea sativa; Corylus maxima; Cotoneaster; Crataegus monogyna; Fagus sylvatica; Fraxinus excelsior; Hedera helix; Malus domestica, pumila; Mespilus germanica; Ostrya carpinifolia; Prunus armeniaca, domestica;Quercus x hispanica, robur; Ribes rubrum, uva-crispa; Salix; Sorbus aucuparia; Spiraea; Tilia cordata, platyphyllos; Ulmus; Vaccinium; Vitis vinifera.


Beers (2007a), Gertsson (2016a), Hellrigl (2004a), Jansen (1999b), Kaydan, Kilinçer & Kondo (2015a), Kozár, Guignard, Bachmann ao (1994a), Malumphy (2010a), Malumphy & Kahrer (2011a), Malumphy & Ostrauskas (2009a), Malumphy, Ostrauskas & Pye (2008a, 2010a), Masten Milek, Šimala & Markotić (2015a), ScaleNet (2018), Seljak (2010a).

mod 12.xii.2018