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wasp traps to catch them before they do any damage. Otherwise, there is little that can be done.Nearby wasp nests can be eliminated by calling in professional pest control companies, or if the infestation is small enough, tackle it yourself with an over

When apple trees are in flower, the sawfly, Hoplocampa testudinea, lays its eggs in the developing fruit. In June, the larvae tunnel their way under the skin of the fruit and into the core, causing the apples to fall. When they're ready, they tunnel

The problem looks worse than it is. Miniscule mites secrete chemicals that cause blistering or blotches on the new leaves, which gradually turn blackish-brown. Although the mites breed prolifically, producing several generations over summer

can be eliminated by calling in professional pest control companies, or if the nest is small enough, by using a proprietory product from any hardware store.fruit trees and busheslate-summer to autumnMore common garden pestsSlugsAphidsEarwigsMealybugs

, pyracantha, sorbus all year roundMore common garden pestsAphidsWhiteflyLeaf miner flyEuonymus scale

.apples, pears, quince, walnutsspring, summerMore common garden pestsMullein moth - on verbascum, buddleja and figwort.Elephant hawk moth on fuschia plants.Caterpillars on any plants.Cabbage white caterpillars on brassicas and nasturtiums.

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

, 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 imidaclprid

into the plant and can be present in concentrated forms in the nectar and pollen of flowers. If you do use these chemicals, remove any flowers before they open, as they will also kill any bees that visit them.mint, pennyroyalMay-SeptemberMore pests of herbs

plantsall year roundMore common garden pestsAphidsFlea beetleEuonymus scaleWhitefly