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Heavy cushion scale infestations result in the blackening of the foliage of camellia, holly, rhododendron, Trachelospermum and some other evergreen plants during the early months of the year.
Common name Cushion scaleScientific name Pulvinaria flocciferaPlants affected Camellia, Ilex (holly), Euonymus japonicus, Rhododendron, Trachelospermum, Taxus (yew) and some other evergreen plantsMain symptoms Black sooty mould on the upper leaf surface in winter-spring; scale insects and white egg masses on the underside of leaves in spring and early summerMost active All year round
Cushion scale is a sap-sucking insect that attacks the foliage of mainly evergreen trees and shrubs, especially camellia, rhododendron, Trachelospermum, Euonymus japonicus and holly.
Pesticides for gardeners (Adobe Acrobat pdf document outlining pesticides available to gardeners)
Beech scale Brown scaleCamellia flower blightCamelliaChemical labels explained Chemicals: using a sprayer Chemicals: using safely and effectively Diaspid scale Euonymus scaleFluted scaleHemispherical scale Horse chestnut scaleHydrangea scaleJuniper scale Mussel scaleOleander scale RhododendronRHS statement on pesticides in horticulture Scale insectsScurfy rose scale Soft scale Sooty mouldsTrachelospermumViburnum scale Woolly vine or currant scale Yew scale
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