mealybug

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noun mealy·bug \ˈmē-lē-ˌbəg\

Definition of mealybug

  1. :  any of a family (Pseudococcidae) of scale insects that have a white cottony or waxy covering and are destructive pests especially of fruit trees

Recent Examples of mealybug from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mealybug.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of mealybug

1824


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