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infestations, scrape off the scales by hand and dispose of them. For heavy infestations, prune out those branches that are badly affected. Spray with a plant oil wash in winter.Spray the young scales in mid-July and early September with a systemic insecticide

be used on houseplants and in greenhouses to attack the western flower thrips. Organic pesticide sprays are available, which are based on plant oils or pyrethrum.Ornamental plants can be sprayed with insecticides containing imidacloprid with methiocarb