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The sap feeding hellebore aphid is a greenfly that can cause a lack of vigour and sooty mould on the leaves and flowers of hellebores.
Hellebore aphid (Macrosiphum hellebori) on Hellebore (Helleborus sp.). Credit: RHS/Entomology.
A sap-sucking aphid or greenfly that can be found on the flowers and foliage of hellebores in spring.
Pesticides for gardeners (Adobe Acrobat pdf document outlining pesticides available to gardeners)
Chemical labels explained
Chemicals: using a sprayer
Chemicals: using safely and effectively
Currant blister aphid
Green spruce aphid
Hellebore black death
Hellebore leaf miner
Hellebore leaf spot
Mealy cabbage aphid
Pear bedstraw aphid
Protect your garden
Raspberry and blackberry aphids
RHS statement on pesticides in horticulture
Rose root aphid
Rosy apple aphid
Willow bark aphid
Woolly beech aphid
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The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.