Mealybug (noun)

1. A small, sap-sucking insect of the family Pseudococcidae that infests a variety of plants, causing damage to leaves, stems, and fruits.
2. A type of scale insect that produces a white, cottony wax that covers its body.

Origin:

The word mealybug is thought to come from the bug's appearance, which is covered in a white, mealy substance.

Examples:

1. The mealybug infestation was causing significant damage to the citrus crops.
2. Gardeners often use insecticides to control mealybug populations.
3. The mealybug produces a sticky substance that can attract ants.
4. The mealybug's cottony wax helps protect it from predators.
5. The mealybug is a major pest of indoor and outdoor plants.