12 



THE OLEANDER SCALE. 



Aspidiotus hederse Vail. 



(Food plants: Currant, box, cherry, olive, oleander, orange, etc.; 

 formerly A. nerii Bouche; see under "More important scale insects.") 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 260-264, 1903. 



Exhibit: Infested twig. 



THE ORANGE CHIONASPIS. 



Chionaspis citri Comst. 



(Food plants: Euonymus, orange, palms; see under "More impor- 

 tant scale insects.") 



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

 World, Bull. 88, Mass. Agr. Coll., pp. 214-215, 1903; Marlatt, Year- 

 book, U. S. Dept. Agric, 1900, p. 270, 1901. 



Exhibit: Infested twig. 



THE RED SCALE OF CALIFORNIA. 



Chrysomphalus aurantii Mask. 



(Food plants: Agave, apple, fig, grape, lemon, orange, pear, plum, 

 quince, willow, etc., formerly Aspidiotus] see under "More impor- 

 tant scale insects.") 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 287-288, 1903; Marlatt, Year- 

 book, U. S. Dept. Agric, 1900, p. 268, 1901. 



Exhibit: Infested twig. 



THE CIRCULAR SCALE. 



Chrysomphalus ficus Ashm. * 



(Food plants: Lemon, oleander, orange, palm, rose, etc.; see under 

 "More important scale insects.") 



For bibliography and food plants see Chnjsomjphalus dome/mm, 

 Fernald, Cat. Coccidas of World, Bui. 88, Mass. Agr. Coll., pp. 286- 

 287, 1903; Marlatt, Yearbook, U. S. Dept. Agric.,1900, p. 269, 1901. 



Exhibit: Infested twig. 



THE PURPLE SCALE. 



Lepidosaphes becJcii Newm. 



(Food plants; Citron, fig, lemon, oak, orange. Formerly known as 

 Mytilaspis citricola Glov. ; see under "More important scale insects.") 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 305-306, 1903; Marlatt, Year- 

 book, IT. S. Dept. Agric, 1900, p. 261, 1901. 



Exhibit: Infested twiff. 



