Pulvinaria hydrangeae Steinweden, 1946
hydrangea scale
on trees, less often shrubs
Acer campestre, female with ovisac
Tilia, females with ovisac (from van der Linden, 2007a)
parasite
The ovisac, that is formed in the months of June-August is elongated with three clear furrows. Hibernation as larva on the young branches.
host plants
polyphagous
Acer campestre, negundo, palmatum, platanoides, pseudoplatanus; Actinidia chinensis; Aesculus x carnea; Amelanchier lamarckii; Aralia elata; Carpinus; Castanea sativa; Catalpa; Celastrus; Cornus mas; Corylus colurna; Diospyros kaki; Fagus sylvatica; Fraxinus; Hydrangea macrophylla; Lonicera; Magnolia; Malus floribunda; Morus; Phellodendron; Platanus; Populus; Prunus serrulata, x gondouinii; Pterocarya; Pyracantha coccinea; Pyrus calleryana; Quercus; Rhus typhina; Rosa rugosa; Salix caprea; Sorbus; Styphnolobium japonicum; Taxus baccata; Tilia americana, platyphyllos, x euchlora, x europaea; Ulmus; Viburnum opulus; Zelkova serrata.
distribution within Europe
synonyms
Eupulvinaria hydrangeae.
references
Gertsson (2016a), Jansen (1999b, 2000a), van der Linden (2007a), Malumphy (2010a), Schmutterer & Hoffmann (2003a), Seljak (2008a, 2010a).