16 



PUTNAM SCALE; CRANBERRY SCALE. 



Aspidiotus ancylus Putn. 



(Food plants: Apple, apricot, box-elder, cottonwood, cranberry, 

 elm, hemlock, maple, oak, peach, pear, plum, etc.) 



For bibliography and food plants see Fernald, Cat. Coccida? of 

 World, Bui. 88, Mass. Agr. Coll., pp. 252-253, 1903. 



Exhibit: Infested twig. 



THE LINDEN SCALE. 



Aspidiotus diffinis Newst. 



(Food plants: Basswood, lilac.) 



For bibliography see Fernald, Cat. Coccida? of World, Bui. 88, 

 Mass. Agr. Coll., p. 257, 1903. 

 Exhibit: Infested twigs. 



THE EUROPEAN FRUIT SCALE. 



Aspidiotus ostreseformis Curt. 



(Food plants: Apple, cherry, maple, oak, peach, pear, etc.) 

 For bibliography and food plants see Fernald, Cat. Coccida? of 

 World, Bui. 88, Mass. Agr. Coll., pp. 268-270, 1903. 

 Exhibit: Infested twig and figures. 



THE CHERRY; FORBES' SCALE. 



Aspidiotus forbesi Johns. 



(Food plants: Apple, chern T , currant, honey locust, peach, pear, 

 plum, walnut, etc.) 



For bibliography and food plants see Fernald, Cat. Coccidre of 

 W^orld, Bui. 88, Mass. Agr. Coll., pp. 259-260, 1903. 



Exhibit: Infested twig and figure. 



THE GRAPE SCALE. 



Aspidiotus Hex Comst. 



(Food plants: Grape, hickory.) 



For bibliography see Fernald, Cat. Coccida? of World, Bui. 88, 

 Mass. Agr. Coll., p. 280, 1903. 



Exhibit: Infested twig and figure. 



THE WALNUT SCAlsE. 



Aspidiotus juglans-regiss Comst, 



(Food plants: Ash, cherry, crab apple, currant, English walnut, 

 locust, peach, pear, prune, etc.) 



For bibliography and food plants see Fernald, Cat. Coccida? of 

 World, Bui. 88, Mass. Agr. Coll., p. 265, 1903. 



Exhibit: Infested twig and figure. 





