Explanation of Plate 2. 



Fig. i. Female scale of Chionaspis corni. 



Fig. i A. Male scale of the same species. 



Fig. 2. Female scale of Chionaspis longiloba. 



Fig. 2 A. Male scale of the same species. 



Fig. 3. Female scale of Chionaspis caryae. 



Fig. 3 A. Male scale of the same species. 



Fig, 4. Female scale of Chionaspis pinifoliae (narrow form). 



Fig. 4 A. Male scale of the same species. 



Fig. 4 B. Female scale of Chionaspis pinifoliae (broad form). 



Fig. 5. Female scale of Chionaspis ivistariae. 



Fig. 5 A. Male scale of the same species. 



Fig. 6. Female scale of Chionaspis americana. 



Fig. 6 A. Male scale of the same species. 



Fig. 7. Female scale of Chionaspis furfura. 



Fig. 7 A. Male scale of the same species. 



Fig. 8. Female scale of Chionaspis salicis. 



Fig. 8 A. Male scale of the same species. 



Fig. 9. Female scale of Hemichionaspis dracaenae. 



Fig. 9 A. Male scale of the same species. 



