Search Result for "mealybug": 
Wordnet 3.0

NOUN (1)

1. scalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees;
[syn: mealybug, mealy bug]


The Collaborative International Dictionary of English v.0.48:

mealybug \meal"y*bug`\, mealy bug \mealy bug\ (m[=e]l"[y^]*b[u^]g`), n. (Zool.), Any of several homopteran scale insects (as, Coccus adonidum, and related species of the families Pseudococcidae and Eriococcidae), that cover themselves with a white powderlike or cottony wax secretion. They are common plant-eating pests in hothouses and are also destructive of fruit trees. [1913 Webster + WordNet 1.5]
WordNet (r) 3.0 (2006):

mealybug n 1: scalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees [syn: mealybug, mealy bug]