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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.
Common name Cherry blackflyScientific name Myzus cerasiPlants affected Fruiting cherries and ornamental forms of Prunus cerasus, P. avium and P. padusMain symptoms Curled and distorted leaves at tips, with black aphids presentMost active May–July
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)
Aphids Aphid predatorsBacterial canker BlackflyBlossom wiltCherry fruit dropCherry leaf scorch and leaf spotCherries: acidCherries: sweetConifer aphids Currant aphids Currant blister aphid Cypress aphid Fruit aphidsGreen spruce aphid Harlequin ladybird Hellebore aphids Ladybirds Lupin aphid Mealy cabbage aphid Pear bedstraw aphid Plum aphids Privet aphid Raspberry and blackberry aphids RHS statement on pesticides in horticulture Rose aphids Rose root aphid Rosy apple aphidSilver leaf Willow bark aphid Winter moth caterpillarsWoolly aphid Woolly beech aphid
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