M 



THE WALNUT SCALE. 



Aspidiotux juglatts-regiic Comst. 



(Food-plants: Ash, cherry, cnib-apple, currant, English walnut, 

 locust, peach, pear, prune, etc. See under "More important scale 

 insects.") 



For bibliog-raphy and food plants see Fernald, Cat. Coccidse of 

 World, Bui. 8S, Mass. Agr. Coll., p. 265, 1903. 



Exhibit: Infested twig. 



THE GREEDY SCALE. 



Aspidiotus rapax Comst. 



(Food-plants: Cottonwood, maple, olive, pear, quince, apple, etc. 

 See under "More important scale insects.") 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 276-278, 1903. 



Exhibit: Infested twig. 



THE EUROPEAN FRUIT SCALE. 



Aspidiotnn ostrescformis Curt. 



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

 under "More important scale insects.") 



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

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



Exhibit: Infested twig. 



THE WEST INDIAN PEACH SCALE. 



Diaspis pentagona Targ. 



(Formerly D. lanatus. See under "More important scale insects.") 

 For bibliography and partial list of food plants see Fernald, Cat. 

 Coccidffi of World, Bui. 88, Mass. Agr. Coll., pp. 234-235, 1903; Riley 

 and Howard, Insect Life, v. VI, pp. 287-295, figs., 1894. 

 Exhibit: Infested twig. 



THE ROSE SCALE. 



Aulacaspis rosie Bouch^. 



(Food-plants: Blackberry, mango, myrtle, pear, raspberry, rose, 

 Cycas, Ailanthus, etc. See under "More important scale insects.") 



For bibliography see Fernald, Cat. Coccidae of World, Bui. 88, 

 Mass. Agr. Coll., p. 236, 1903. 



Exhibit: Infested twig. 



THE WOOLLY APPLE APHIS. 



iichizoneura lankjcra Hausm. 



For general account see Marlatt, Cir. 20, Div. Ent., U. S. Dept. 

 Agric, 1897. 



Exhibit: Infested roots, twigs, and figure. 



