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the problem long-term but deals with the aphids in the short-term.Spray the tree with thiacloprid the moment you spot any aphids. Small numbers are far more easily tackled than large, rapidly multiplying infestations.apples, crab apples, cotoneaster, hawthorn

the emerging aphids. Don't wait for the symptoms to appear, as there's no point in spraying once the leaves have become puckered.blackcurrants, redcurrants, whitecurrants early to mid-winter, springCommon garden pests affecting fruit treesWolly aphids on apple

and squish them. You could also spray with organic pesticides based on pyrethrum in spring and summer.Again, there's no real need to control the beetle, but you can kill them by spraying with a bug spray that contains thiacloprid.mint, pennyroyal

, which can encourage sooty mould to develop. It's more of a problem in urban areas where temperatures are higher.Scrape the eggs off by hand and move them to an alternative tree, or destroy them.Spray with an insecticide containing deltamethrin

, sugary substance (called honeydew) which encourages the growth of a fungus called sooty mould. Early summer is the best time to tackle the problem, when the newly hatched insects are crawling around looking for a place to feed and settle