Another key that covers 16 species of whiteflies that may infest Florida citrus is available on the World Wide Web. The WWW key, developed by the Florida Department of Agriculture and Consumer Services' Division of Plant Industry, uses color photographs of nymphs to assist in identification. The whitefly adult is white or white with dark spots on the wings. Nymphs are difficult to see or identify. . . . The whitefly adult is slate blue in color, eggs are present and laid in spirals.
Nymphs are black with prominent spines. . . . .
The whitefly adult is all white without any dark spots on wings. . . . . The whitefly adult is white with a darkened area at the end of each wing. Occasionally a yellow fungus is present. . . . . The whitefly female adult is all white and is surrounded by waxy filaments. Eggs are laid in a circle with the female at rest in the center. . . . .