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Unlike most aphids which are active during the spring and summer, the green spruce aphid is active during the winter months. It can cause needle drop on spruce trees (Picea species).
Common name Green spruce aphidScientific name Elatobium abietinumPlants affected Picea species especially Picea abies (Norway spruce or Christmas tree), Picea sitchensis (Sitka spruce) and Picea pungens (blue spruce)Main symptoms Pale blotches on foliage overwinter. Heavy needle drop. Small green aphids are present during winterMost active October to March
Green spruce aphid is a sap-sucking insect that infests spruce trees (Picea species) causing needle drop.
Pesticides for gardeners (Adobe Acrobat pdf document outlining pesticides available to gardeners)
Adelgids AphidsAphid predatorsBlackflyCherry blackflyChristmas treesConifer aphidsCurrant aphids Currant blister aphidCypress aphidFruit aphids Harlequin ladybird Hellebore aphidLadybirds Lupin aphidMealy cabbage aphidPear bedstraw aphid Plum aphidsPrivet aphid Raspberry and blackberry aphids RHS statement on pesticides in horticulture Rose aphids Rose root aphid Rosy apple aphidWaterlily pests Willow bark aphid Woolly aphidWoolly beech aphid
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