]8 



THE CALIFORNIA RED SCALE. 



Chri/somphaliiK nuraiitii Maek. 



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

 quince, willow, etc.; formerl}^ Axjjidiotus.) 



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

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

 Yearbook, U. S. Dept. Agric, 1000, p. 268, 1901. 



Exhibit: Infested twig and figure. 



GLOVER'S SCALE; LONG SCALE. 



Lepidosaphes gloveri Pack. 

 (Food plants: Lime, magnolia, orange, palms; iormerly Mytilaspis.) 

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



World, Bui. 88, Mass. Agr. Coll., pp. 809,1903; Marlatt, Yearbook, 



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



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



Gorus hivulnerus Muls., C. cacti Linn., Coccinella ahdoviinalis Saj', C. 



californica Mann., C. sanguinea Linn., C. ocidata Fabr., Dakrmna 



coccidivora Comst., ExocTiomns co7itristatus Muls., llippodnmia 



ambigua Lee, H. convergens Guen., Hypet'asjyidius coccidivora Ashm., 



Scymnus hioculatus Muls., S. cervicalis Muls. 



OYSTER-SHELL BARK-LOUSE. 



Lepidosaphes ulmi Linn. 



(Attacks principally apple, currant, Cornus, cottonwooci. lilac, pear, 

 sassafras, etc.; formerly J/i/fila.y/is jtoniorimi BoiK'h6.) 



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

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



Exhibit: Infested twig and figure. 



THE PURPLE SCALE. 



Lepidosaphes beckii Newm. 



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

 Jfytilaspis citrieola Glov.) 



For bibliography and food plants see Fernald, Cat. Coccidse 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. (yoccid^ 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. 



