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Aphids

By Gardeners' World on 18/10/2011 11:18:16

of these are available as biological controls, however, they need time to tackle the problem, so don't expect them to hoover up the aphids overnight. Small clusters of aphids can be squished with your fingers or washed off with a strong jet of water. Insecticidal soap


Lily beetle

By Gardeners' World on 18/10/2011 15:28:53

Scarlet beetles (6mm - 8mm long) with black heads eat the leaves, flowers and seedpods of lilies and other members of the lily family. Don't mistake them for ladybirds. Between April and September the beetles lay eggs on the undersides of leaves


Mealybugs

By Gardeners' World on 18/10/2011 15:31:08

of plants. They debilitate the plants and secrete a sticky, sugary honeydew that covers the leaves, which often results in further problems, such as sooty moulds. Infestations of white, waxy insects on indoor and greenhouse plants, along with sticky honeydew


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