Insect Pests of Houseplants
Houseplants have fewer insect pests than outdoor ornamentals, but they are not pest free. Most of the pests that occur on houseplants are small insects or mites that spend most of their time on the undersides of the leaves. These include aphids, whiteflies, mealybugs, scales, thrips, spider mites, and broad mites. Heavy infestations of any of these pests can cause houseplants to be unsightly and undesirable. Indoor gardeners should know how to recognize and control these pests.
The insects and mites that occur on houseplants also occur in commercial greenhouses, but commercial producers have access to a much wider array of effective insecticides and biological control agents than homeowners do. Control options for commercial greenhouses are not discussed here. This publication focuses on insect pests of houseplants grown in home settings and discusses control options that are available to homeowners.
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