22 



THE EimOPEAN FRUIT-SCALE. 



Asjndiotus ostrenforinia Curt. 



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

 under "More important scale insects.") 



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

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



Exhibit: Infested twig. 



THE SCURFY BARK LOUSE. 



CMonanp in ft irfura Fi t(' h . 



(Food plants: Apple, cherry, currant, elm, pear, etc. See under 

 "More important scale insects.") 



For bibliography and food plants see Fernald, (kt. Coccida3 of 

 World, Bui. 88, Mass. Agr. Coll., pp. 217-219, 1903; Howard, Year- 

 book, U. S. Dept. Agric, 1891, pp. 259-261, figs.; Banks, Bui. 34, 

 Div. Ent., U. S. Dept. Agric, p. 11, 1902. 



Exhibit: Infested twig. 



OYSTER-SHELL BARK-LOUSE. 



Lepidomplics ulmi Linn. 



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

 sassafras, etc. Formerly called 3£ytilaspis ^yomorum Bouche. See 

 under "More important scale insects.") 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 311-317, 1903. 



Exhibit: Infested twig. 



THE BLACK SCALE. 

 Saissetia olex Bern. 



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

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



For bi))liograph3^ and food plants see Fernald, Cat. Coccidaj of 

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



Exhibit: Infested twig. 



INJURING THE LEAVES. 



PISTOL CASE-BEARER. 



Coleophora malivordla Riley. 

 (Feeds on leaves and buds.) 



For general account see Slingerland, Bui. 121, Cornell Univ. Agr. 

 Expt. Sta., 1897. 



Exhibit: Cocoon, adult, work, and Hgur<\ 



EYE-SPOTTED BUD-MOTH. 



Tmetocera orellaiKi Scliiff. 

 (Feeds on buds and young leaves.) 



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

 Expt. Sta., 1893. 



Exhibit: Pupa, adult, and work. 



