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Mealybugs

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

on the leaves.Dispose of fallen leaves that might have the bugs or eggs attached. Use the predatory ladybird Cryptolaemus montrouzieri when temperatures rise in summer. Also try spraying plants with fatty acids or plant oils. You may need to do this a few times


Red spider mites

By Gardeners' World on 18/10/2011 15:52:47

persimilis on to your plants. Alternatively, use sprays containing, fatty acids or plant oils.houseplants, greenhouse plants, also outdoors on fuchsias, runner beans, busy lizzies, grape vinesall year roundMore common garden pestsMealybugsScale insectsWhiteflyThrips


Scale insects

By Gardeners' World on 18/10/2011 15:56:46

Tiny sap-sucking scale insects. They are 1-6mm long, and their whitish, grey-brown shells are covered by protective, waxy scales. The insects don't cause too much damage unless they are present in huge numbers, but some excrete an unsightly, sticky


Whitefly

By Gardeners' World on 19/10/2011 12:38:10

. Grow strong-smelling plants, such as French marigolds, alongside your tomatoes as a deterent. Every two to three days spray the underside of leaves with a soap-based spray containing fatty acids to kill emerging adults. When the temperature remains


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