30 



THE PEACH SCALE. 



Eulecanium persicse Fabr. 



(Food plants: Peach, plum, quince, etc. ; formerly a Lecanium. See 

 under "More important scale insects.") 



For bibliography, food plants, and distribution see Fernald, Cat. 

 Coccidee of World, Bui. 88, Mass. Agr. Coll., pp. 191-193, 1903. 



Exhibit: Infested twig. 



PUTNAM SCALE; CRANBERRY SCALE. 



Aspidiotus ancylus Putn. 



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

 elm, hemlock, maple, oak, peach, pear, plum, etc. See under "More 

 important scale insects.") 



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

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



Exhibit: Infested twig. 



THE SAN JOSE SCALE. 



' Aspidiotus perniciosus Comst. 



(Food plants: Almond, apple, apricot, birch, black walnut, black 

 currant, catalpa, chestnut, crab- apple, crab-grass, cherry, grape, 

 hickory, oak, peach, pear, persimmon, plum, poplar, prune, Rocky 

 Mountain cherry, rose, silver maple, willow, and many other plants. 

 See under "More important scale insects." 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 271-275, 1903; Howard and 

 Marlatt, Bui. 3, n. s., Div. Ent., U. S. Dept. Agric, 1896, 80 pp. 



Exhibit: Infested twig. 



THE CHERRY LEAF-BEETLE. 



Galerucella cavicollis Lee. 



For general article and distribution see Chittenden, Bui. 19, n. s , 

 Div. Ent., U. S. Dept. Agric, pp. 90-93, 1899. 

 Exhibit: Adult. 



THE CHERRY-FRUIT MAGGOT. 



Rhagoletis cingulata Loew. 



For detailed account see Slingerland, Bui. 172, Cornell Univ. Agr. 

 Exp. Sta., 41 pp., 6 figs., 1899; Chittenden, Bui. 11, Div. Ent., U. S. 

 Dept. Agric, p. 70-75, 1901. 



Exhibit: Adult. 



