22 



THE EUROPEAN FRUIT-SCAIiE. 



Aspidiotus ostreirformis 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 SCURFY BARK LOUSE. 

 Chionaspis furfura Fitch. 



(Food plants: Apple, cherry, currant, elm, 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. 217-219, 1903; Howard, Year- 

 book, U. S. Dept. Agric, 1894, pp. 259-261, figs.; Banks, Bui. 34, 

 Div. Ent., U. S. Dept. Agric, p. 14, 1902. 



Exhibit: Infested twig. 



OYSTER-SHELL BARK-LOUSE. 



Lepidosaphes ulmi Linn. 



(Attacks principally apple, currant, Cornus, cottonwood, lilac, pear, 

 sassafras, etc. Formerly Mytilaspis pomorum Bouche. See under 

 "More important scale insects.") 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 314-317, 1903. 



Exhibit: Infested twig. 



THE BLACK SCALE. 



Saissetia olese Bern. 



(Food plants: Apple, apricot, olive, orange, pear, plum, rose; for- 

 merly a Lecanium. See under " More important scale insects.") 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 205-206, 1903. 



Exhibit: Infested twig. 



INJURING THE LEAVES. 

 PISTOL CASE-BEARER. 



Coleophora malivorella Riley. 



(Feeds on leaves and buds.) 



For general account see Slingerland, Bui. 124, Cornell Univ. Agr. 

 Expt. Sta., 1897. 



Exhibit: Cocoon, adult, work, and figure. 



EYE-SPOTTED BUD-MOTH. 



Tmetocera ocellana Schiff. 



(Feeds on buds and young leaves.) 



For general account see Slingerland, Bui. 50, Cornell Univ. Agr. 

 Expt. Sta., 1893. 



Exhibit: Pupa, adult, and work. 



