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  1. Pest and Disease Problems of Indoor Plants
  2. References
  3. List of literature on Auchenorrhyncha
  4. Pests commonly found on houseplants:
  5. Environmental Pest Management - Environmental Pest Management - Wiley Online Library

Spider mites — tiny arachnids not insects which thrive in hot, dry conditions. Dracaena, figs, hibiscus, ivy, Norfolk pine, and scheffleras can be affected by spider mites.

Pest and Disease Problems of Indoor Plants

White larvae feed on organic matter and roots, reducing vigor of plants. Aphids, whitefly, mealy bugs, and scale secrete honeydew when feeding. Honeydew is shiny and sticky and is a medium for sooty mold growth which will inhibit photosynthesis. Control methods include handpicking pests, rinsing both upper and lower leaf surfaces with warm water, or removing pests with alcohol-dipped cotton swabs in difficult to reach areas. For heavy infestations, prune infected parts or apply contact sprays of insecticidal soap or horticultural oil. Follow label directions. Be sure to apply any controls to the undersides of leaves to destroy insects that commonly feed in that area.

Clean soil and debris from pruners after every use.


Affected plants should be isolated to prevent spreading to adjacent plants. Gray mold Botrytis cinerea — attacks older foliage and flowers, causes brown, wet spots on leaves or flowers. Dusty, gray spores are visible on infected tissue.

Airborne spores spread to healthy leaves. Commonly affected plants include palms, yucca, orchids, prayer plant and dumbcane. Powdery mildew — distortion and gray-white powdery coating on the leaves and stems of houseplants, especially African violets, succulents, and begonias. Root rot — due to overwatering or damaged roots. While preventable, root rot is a soil-borne fungus which causes wilting and blackened, mushy roots. Orchids, cyclamen and succulents are especially susceptible. Disease prevention includes good sanitation of tools and pots. Provide ample air circulation for plants.

Avoiding overcrowding, overwatering and overpotting. Keep leaves dry. Remove leaves showing signs of fungal problems. Prune and discard any infected parts as soon as you detect a problem. Discard severely affected plants. Thank you for your submission! Pest and Disease Problems of Indoor Plants. Plants can brighten our indoor spaces.

List of literature on Auchenorrhyncha

Eikenbary eds. Ellis Horwood, Chichester. Bouton, P. Gross, B. McPheron, J. Interactions among three trophic levels: influence of plants on interactions between insect herbivores and natural enemies. Rausher, M. Natural selection and the evolution of plant-insect interactions, p. Isman eds. New York: Chapman and Hall. Volatile semiochemicals released fromundamaged cotton leaves: a systemic response of living plants to caterpillar damage.

Rosen, D. An overview of desired attributes of effective biological control agents, with particular emphasis on mites, p. Hoy, G. Knutson eds. Special Pubi. Rowell-Rahier, M. Pasteels, Phenolglycosides and interactions at three trophic levels: Salicaceae-herbivorespredators.

Pests commonly found on houseplants:

Bernays ed. Insect-Plant Interactions. Experimental studies in insect parasitism.

Host selection. Salt, G. The ichneumonid parasite Nemeritis canescens Gravenhorst in relation to the wax moth Galleria mellonella L. Sirot, E. Time sharing between host searching and food searching in parasitoids: state-dependent optimal strategies. Smith, C. Plant resistance to insects: a fundamental approach.

Environmental Pest Management - Environmental Pest Management - Wiley Online Library

Wiley and Sons, N. Steinberg, S. Dicke and L. Relative importance of infochemicals from first and second trophic level in long-range host location by the larval parasitoid Cotesia glomerata. Stowe, M. Turlings, J. Loughrin, W.

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The chemistry of eavesdropping, alarm, and deceit. Dicke, and M. Variation in composition of predator attracting allelochemicals emitted by herbivoreinfested plants; relative influence of plant and herbivore. Chemoecology 2: Volatile herbivoreinduced terpenoids in plant-mite interactions: variation caused by biotic and abiotic factors. Takahashi, M. Developmental stage of herbivore Pseudaletia separate affects production of herbivore-induced synomone by corn plants.

Takasu, K.

Bugs in Potting Soil Are Eating Plant Roots : Natural Pest Control

Host- and food-foraging of the parasitoid Microplitis croceipes: learning and physiological state effects. Effects of plant metabolites on the behavior and development of parasitic wasps. Wiickers, L.