8 WHITE FLIES INJURIOUS TO CITRUS IN FLORIDA. 
Page. 
Fig. 9. The citrus white fly : Pupa and details 61 
10. The citrus white fly: Adult and details 66 
11. Diagram showing annual generations of the citrus white fly 82 
12. Diagram showing abundance of adults of the citrus white fly at Or- 
lando, Fla., throughout 1909 84 
13. Map showing distribution of the cloudy- winged white fly (Aleyrodes 
nubifera) in Florida 90 
14. The cloudy-winged white fly: Eggs 91 
15. The cloudy- winged white fly: Larva, first instar, ventral view 94 
16. The cloudy- winged white fly : Larva, third instar, ventral view 95 
17. The cloudy- winged white fly: Pupa and details 95 
18. The cloudy- winged white fly: Dorsal view of pupa, showing adult 
insects about to emerge 95 
19. Diagram showing relative abundance of adults of the cloudy- winged 
white fly and the citrus white fly, throughout 1909. at Orlando. Fla. . 103 
