[mee-lee-buhg] 
| any of several scalelike, homopterous insects of the families Pseudococcidae and Eriococcidae that are covered with a powdery wax secretion and feed on plants. |
| meal·y·bug (mē'lē-bŭg') n. Any of various homopterous insects, especially of the family Pseudococcidae, some of which are destructive to citrus trees and other plants. [So called because it is covered with a white powdery substance.] |
liˌbʌg