Pulvinaria regalis Canard, 1968
horse-chestnut scale
on trees (shrubs)
UK, Berks © Malcolm Storey, Bioimages: females with ovisac
Tilia cordata, Sweden (from Gertsson, 2011a)
parasite
The ovisac, that is produce in May-June, is for the greatest part covered by the body of the female. The young larvae live at the underside of the leaves, but soon migrate to the bark of the stem and thick branches. There also, as 3rd, final, instar larvae, they hibernate and mature in early spring.
host plants
polyphagous
Acer campestre, negundo, palmatum, platanoides, pseudoplatanus, rubrum; Aesculus hippocastanum, pavia; Alnus glutinosa; Amelanchier; Cornus sanguinea; Corylus avellanal Crataegus; Euonymus japonicus; Fagus sylvatica; Hedera helix; Hydrangea; Ilex aquifolium; Koelreuteria paniculata;Laurus nobilis; Magnolia kobus; Malus; Morus; Platanus hispanica; Populus; Prunus avium; Robinia pseudoacacia; Rhus; Salix; Skimmia japonica; Sophora; Tilia cordata, x europaea, platyphyllos, tomentosa; Ulmus glabra, minor, procera; Zelkova serrata.
distribution within Europe
notes
Mainly in urban areas.
references
Egerström (2013a), Gertsson (2011a, 2016a), Hippe & Frey (1999a), Jansen (1999b, 2000a), Kozár, Guignard, Bachmann ao (1994a), Łagowska, Golan & Michalski (2018a), van der Linden (2007a), Malumphy (2010a), Salisbury & Malumphy (2017a), Schmutterer & Hoffmann (2003a), Schneider & Tanson (2003a).