1. Adult females with long, white filaments at the rear (Fig. 104A); females apparently giving birth to live young Longtailed mealybug.

1.' Adult females without long, white filament at the rear; females lay eggs in a dense, white fluffy ovisac .... 2

2. Female feeding on above ground portion of plant 3

2.' Female never feeding on above ground portions of plant; white mealybug feeding on roots (Fig. 104B) ........... Pritchard's mealybug and other Root mealybugs.

3. Body orangish or purplish and covered with white bloom; a darker line down the middle of the back (Fig. 105A); mealybug very damaging to the health of many plants Citrus mealybug.

3.' Body purplish and covered with white bloom; three rows of white tufts down the back (Fig. 105B); may occur in high numbers with little effect on the health of the plant Mexican mealybug.