88 



OYSTER-SHELL BARK-LOUSE. 



Lepidomphen tilmi Linn. 



(Attafks principally applo, curnint, Cormis, cottonwood, lilac, p«^ar, 

 sassafras, etc.; foniu'ily J/i/fJ/t/.sj)is jMj//ioria/i Boucho. Sec under 

 "More iniportiint scale insects.") 



For hiblioo-raphv and food plants see Fernald, Cat. Coccida.^ of 

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



Exhibit: Infested twig. 



THE SCURFY BARK-LOUSE. 



< 'lii(»i(ispis /iirfiirn Kitch. 



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

 "More important scale insects.") 



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

 World, Bui. S8, Mass. Agr. Coll., pp. 217-219, 1903; Howard, Year- 

 book, U. S. Dept. Agric., 1894, pp. 259-261, fig. 



Exhibit: Infested twig. 



THE SAN JOSE SCALE. 



Aspidiotu.s peDilciosus Coniyt. 



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

 currant, catalpa, chestnut, crab-apple, crab-gra.ss, cherry, grapo. hick- 

 ory, oak, peach, pear, persimmon, plum, poplar, prune, Kocky Moun- 

 tain cherry, rose, silver maple, willow, and manj^ other plants. See 

 under ""More important scale insects."") 



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



PUTNAM SCALE; CRANBERRY SCALE. 



Aspidiotng anajlus Putn. 



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

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

 important scale insects.") 



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

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



Exhibit: Infested twig. 



THE CHERRY SCALE; FORBES' SCALE. 



. \>i]iitli(,l)i.'< fdrhriti .IdlillS. 



(Food-plants: Ap})lc. <h(MTy, currant, hone}' locust, peach, pear. 

 plinn, wahmt. etc. Scm^ under *" Moi'e important scale insects.") 



For l)ibliography and food plants see Fernald, Cat. Coccidiv of 

 World, Bui. SS, Mass. Agr. Coll., pp. 259-260, 19(»3. 



Exhibit: Infested twig. 



3«l)U— No. 47—04 .3 



