14 



COTTONY MAPLE SCALE. 



Puhinaria imiumerabilis Eathv. 



(Food plants : Alder, apple, box-elder, elm, grape, linden, maples, 

 oak, willow, etc.) 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 134-135, 1903; Howard, Bui. 

 22, n. s. Div. Ent. U. S. Dept. Agric., pp. 8-16, 1900, figs. 



Exhibit: Infested twigs and figures. 



THE BARNACLE SCALE. 



Ceroplastes drripediformis Comst. 

 (Food plants: Myrtle, orange, persimmon, quince.) 

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

 World, Bui. 88, Mass. Agr. Coll., p. 150, 1903. 

 Exhibit: Infested twig. 



THE FLORIDA WAX-SCALE. 



Ceroplastes floridensis Comst. 

 (Food plants: Citrus, fig, myrtle, oleander.) 



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

 World. Bui. 88, Mass. Agr. Coll., p. 15T, 1903. 

 Exhibit: Infested twigs. 



THE SOFT SCALE. 



Coccus hesperidum Linn. 



(Food plants: Laurel, lemon, myrtle, oleander, orange, etc.; for- 

 merly a Lecanium.) 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 168-1 TO, 1903. 



Exhibit: Infested twigs and figures. 



THE TERRAPIN SCALE. 



Eulecanium nigrofasciatum Perg. 



(Food plants: Apple, birch, linden, maple, peach, plum, sycamore; 

 formerly Lecanium.) 



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

 World. Bui. 88, Mass. Agr. Coll., p. 191, 1903; Pergande, Bui. 18, n. s. 

 Div. Ent., U. S. Dept, Agric, pp. 26-29, 1898, figs. 



Exhibit: Infested twig and figures. 



THE HEMISPHAERICAL SCALE. 



Saissetia hemisphserica Targ. 

 (Food plants: Oleander, orange, peach, etc.; formerly a Lecanium.) 

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

 World, Bui. 88, Mass. Agr. Coll., pp. 202-203, 1903. 

 Exhibit: Infested twig. 



