- Author: Rachael Freeman Long
- Author: Larry Godfrey
Mealybugs are common insect pests of many crops including grapes, citrus, ornamental plants, and various other perennial crops. They feed on trunks, stems, leaves, and roots of plants. At times these infestations can be very obvious on plants due to high mealybug densities, the sticky honeydew that they excrete, and the sooty mold that often grows on the honeydew.
The ground mealybug is an important insect pest of alfalfa, primarily in the Sacramento Valley. This mealybug is a member of a group of species that spend their entire lifecycle below ground. This insect is small (about 1/16" long), whitish, and relatively soft-bodied. Ground mealybugs feed on alfalfa roots by sucking out plant juices, which causes stunting and...