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Any of various soft-bodied scale insects covered with a white powdery substance, especially of the family Pseudococcidae, some of which are destructive to ornamental and agricultural plants.


(ˈmi liˌbʌg)

any of several scalelike homopterous insects of the families Pseudococcidae and Eriococcidae that are covered with a powdery wax secretion and feed on plants.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mealybug - scalelike plant-eating insect coated with a powdery waxy secretionmealybug - scalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees
coccid insect - scale insects and mealybugs
family Pseudococcidae, Pseudococcidae - scalelike insects: mealybugs
Comstock mealybug, Comstock's mealybug, Pseudococcus comstocki - Asiatic insect introduced accidentally into United States; pest on citrus and apple trees
citrus mealybug, Planococcus citri - feeds on a wide variety of cultivated plants but especially destructive to citrus
References in periodicals archive ?
A common way of controlling mealybugs is to remove them with a cotton swab dipped in rubbing alcohol.
Instead of using pesticides, provide a rich array of native plants to attract beneficial insects like lacewings and lady beetles, which devour aphids, mealybugs, and whiteflies.
Look carefully for mites, mealybugs, scales, and aphids, which can resemble plant parts.
There are 22 families--with more than 7,300 species--the largest and most common being Diaspididae, or armored scales; Coccidae, or soft scales; and Pseudococcidae, commonly known as mealybugs.
You actually want pestiferous aphids, thrips and mealybugs to occasionally appear.
IF you have mealybugs on indoor cacti, spray them with a weak solution of methylated spirit.
If pests like mealybugs or scale appear on plant foliage, carefully dislodge them with your thumbnail or a knife, or wash mealybugs from foliage using tepid water about once a week.
According to Hedges, "The ladybugs' food source -- aphids and mealybugs found on trees and shrubs -- has been plentiful this year providing them with all the food they needed to thrive and multiply.
Identification of mealybugs important in the Caribbean region, 2nd edn.
White rust and leaf eelworm affects chrysanthemums, while whitefly, red spider mite and mealybugs love basking in the heat of greenhouses and conservatories.