11 



THE LONG-SPINED MEALY-BUG. 



Pseudococcus longispinus Targ. 



(Formerly Dactylopius spp. See under "More important scale in- 

 sects.") 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 104-105, 1903. 



Exhibit: Infested leaves. 



THE FLORIDA WAX-SCALE. 



Ceroplastes floridensis Conist. 



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



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

 World, Bui. 88, Mass. Agr. Coll., p. 157, 1903. 

 Exhibit: Infested leaves. 



THE BARNACLE SCALE. 



Ceroplastes cirripediformis Comst. 



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

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

 World, Bui. 88 7 Mass. Agr. Coll., p. 150, 1903. 

 Exhibit: Infested leaves. 



THE SOFT SCALE. 



Coccus hesperidum Linn. 



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

 merly a Lecanium; see under " More important scale insects.") 



For bliography and food plants see Fernald, Cat. Coccidas of World, 

 Bui. 88, Mass. Agr. Coll., pp. 168-170, 1903. 



Exhibit: Infested twig. 



THE HEMISPHERICAL SCALE. 



Saissetia hemisphserica Torg. 



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

 see under '■' More important scale insects.") 



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

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



Exhibit: Infested twig. 



THE BLACK SCALE. 



Saissetia oleee Bern. 



(Food plants: Apple, apricot, olive, orange, pear, plum, rose; for- 

 merly a Lecanium; see under "More important scale insects.") 



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

 World, Bui. 88, Mass. Agr. Coll., pp. 205-206, 1903. 



Exhibit: Infested twig. 



