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, the sweet sticky substance that aphids excrete. Ants are known to defend aphids against predators in return for a harvest of honeydew.Container-grown plants start to wilt. When you check the pot you notice ant tunnels, and that compost has been moved away

. In severe cases, growth becomes distorted, leaves curl up, the plant weakens and can die.Natural predators, such as birds, earwigs, ladybirds, lacewings, hoverflies, ground beetles, spiders and parasitic wasps are a gardener's best allies. Some

during the day making collection easy. Sink shallow cups of beer or milk in borders, setting them slightly above soil level - you don't want ground beetles falling in as they are a natural predator of slugs. Keep your garden tidy, slugs love to hide under

predators in the garden and they attack all manner of real pests including caterpillars, aphids and flies. They feed the chewed remains to their grubs back at the nest. The last five years have been really bad for wasps; either the hibernating queens have

Walking back from the Horniman Museum last week took me past a large oaktree growing just inside a front garden. The tree looks like an old pollardand must pre-date the early 20th century houses hereabouts. What caught myattention were all

The loose bark on old logs is one of the most important hibernating sites for all manner of insects. Here they can remain sheltered from predators, and also from their main enemies during winter: frost and damp. This week they will be sorely tested

hibernation now are mostly green, but the summer form has vague reddish brown patches across its back. It too has a slight smell of mouldy almonds, especially if picked up; these are the bitter-tasting cyanide compounds used by shieldbugs to deter predators

months hidden in hibernation in some dry secluded spot, the queens, with a store of sperm from autumn matings, venture out to an uncertain spring weather pattern, which is as unpredictable as any of the many other dangers they face from predators, disease

chrysanthemums.It is pretty straightforward to grow your own ornamental cabbages although they suffer from the same predators as normal brassicas. Seeds should be sown in springtime.They should last in containers for much of the winter - although if the pigeons

what it was, so I'd look to the sky for answers, hoping I'd see a cuckoo swoop down and spit on the plants. It was only a few years ago that I learned about the froghopper nymph, which protects itself from predators and dehydration in a coating of froth