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Cherry blackfly can cause distorted foliage on cherries, this is unsightly but does not stop cherry trees from flowering or bearing fruit.
Cherry blackfly (Myzus cerasi) on Cherry (Prunus sp.). Credit: RHS/Entomology.
Cherry blackfly is an aphid that sucks sap from the foliage of fruiting cherries and ornamental forms of Prunus cerasus, P. avium and P. padus during late spring and early summer, causing tight leaf curling.
Pesticides for gardeners (Adobe Acrobat pdf document outlining pesticides available to gardeners)
Chemical labels explained
Chemicals: using a sprayer
Chemicals: using safely and effectively
Cherry fruit drop
Cherry leaf scorch and leaf spot
Currant blister aphid
Green spruce aphid
Mealy cabbage aphid
Pear bedstraw aphid
Raspberry and blackberry aphids
RHS statement on pesticides in horticulture
Rose root aphid
Rosy apple aphid
Willow bark aphid
Winter moth caterpillars
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.