18 



THE CALIFORNIA RED SCALE. 

 Chrysornphcdus aurantii Mask. 

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

 quince, willow, etc.; formerly Asj) idiot us.) 



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

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

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

 Exhibit: Infested twig and figure. 



GLOVER'S SCALE; LONG SCALE. 



Lepidosaphes gloveri Pack. 

 (Food plants: Lime, magnolia, orange, palms; formerly Jlytilaspis.) 

 For bibliography and food plants see Fernald, Cat. Coccid'a? of 



World, Bui. 88, Mass. Agr. Coll., pp. 309,1903: Marlatt. Yearbook, 



U. S. Dept. Agrie, 1900, p. 265, 1901. 



Exhibit: Infested twig, figures, and the following enemies: Chilo- 



gotus biwdnerus Muls., C. cacti Linn., Ooecinella obdominolis Say. ('. 



californica Mann.. 0. sanguined Linn., C. oculata Fabr.. Dakrwna 



coccidivora Comst., JExochomus contristatus Muls., Hijjpodamia 



ambigua Lee, H. convergent Guen., Hyperaspidius coccidivora Ashm., 



Scymnus bioculatus Muls.. S. cervicalis Muls. 



OYSTER-SHELL BARK-LOUSE. 



Lepidosaphes ulmi Linn. 



(Attacks principally apple, currant. Cornus. cotton v.orxi. lilac, pear, 

 sassafras, etc.: formerly Mytilasjris pomorum Bouche.) 



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

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



Exhibit: Infested twig and figure. 



THE PURPLE SCALE. 



Lepidosaphes beckii Xewm. 



(Food plants: Citron, fig, lemon, oak, orange; formerly known as 

 Jlytilaspis dtrieola Glov.) 



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

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

 book. U. S. Dept. Agric, 1900, p. 261. 



Exhibit: Infested twig and figure. 



THE CHAFF SCALE. 



Parlatoria pergandei Comst. 



(Food plants: Japonica. lemon, orange.) 



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

 World. Bui. 88, Mass. Agr. Coll., pp. 319-320. 1903; Marlatt, Year- 

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



Exhibit: Infested twigs and figure. 



