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with purple stripes.Pick off the adult beetles and larvae by hand and destroy.Spray with an insecticide - thiocloprid or imidacloprid - between late summer and spring. Avoid using insecticide when the plants are in flower as bees may also be killed

, use the parasitic wasp, Metaphycus helvolus, bought by mail order as a biological control.Use an insecticide containing imidacloprid or thiacloprid in early summer when the insects are more vulnerable.a wide range of plants, house plants, greenhouse

are very effective, but compost with the chemical imidacloprid controls the larvae for up to a year. Other formulations provide just short-term protection.many plants, container-grown plants are especially vulnerableall year roundMore common garden pests

or thiacloprid in midsummer. Both imidacloprid and thiacloprid are systemic pesticides, meaning they are absorbed into the plant and can be present in concentrated forms in the nectar and pollen of flowers. If you do use these chemicals, bear in mind that any

the aphids overnight. Small clusters of aphids can be squished with your fingers or washed off with a strong jet of water.Imidacloprid and thiacloprid will deal with aphids, but check the label carefully if you're using them on edible crops.peppers, indoor

ant you see. Ants will not continue to send workers if a percentage fail to return. This really works. Before using thiacloprid, imidacloprid, acetamocloprid or any other neonicotinoid pesticide, I recommed visiting the Buglife website, to read

this invasion to be extremely unfair.So what to do? Pesticides applied every spring and autumn will kill the larvae. But I worry that the active ingredient (thiacloprid - a nicotinoid compound related to imidacloprid) also kills bees and other wildlife (you can

aphids - if you intend to use them on edible crops, make sure you follow the instructions carefully. Imidacloprid and thiacloprid are found in systemic products, which are absorbed by the plants, before being taken up by the aphids.most plantsspring

above 10 celsius in the greenhouse you can use a biological control, such as the parasitic wasp, Encarsia formosa, which attacks the juvenile forms of whitefly.Sprays with products containing imidacloprid and thiacloprid, which are absorbed by the plants

in the greenhouse will deter whitefly. Is this true?Spud.T I have tried boiled rhubarb leaves and added soft soap to the strained liquid. It works for black fly also. Before using thiacloprid, imidacloprid, acetamocloprid or any other neonicotinoid pesticide, I