156 DIASPIS BROMELI^E. 



DESCRIPTION OF THE PLATES. 



PL XIII, fig. 8. Insects natural size in situ on portion 



of palm leaf. 

 Fig. 9. Adult female after treatment with potash. 



X 45. 

 Fig. 10. Thoracic tubercle after treatment with 



potash. .X 500. 



PL XVI, fig. 2. Pygidium of adult female. X 250. 

 PL XVIII, fig. 2. Margin of pygidium of adult female. 



X 600. 

 Fig. 8. Antenna of larva, X 600. 



DIASPIS imoMELijE (Kerner). 



(PL XIII, figs. 17; PL XVI, fig. 1 ; 

 PL XVIII, fig. 1.) 



Coccus Iromelide, Kerner (1778); Naturgeschichte 



der Coccus bromelw, Stuttgart, 1788. 

 Coccus bromelifz, Curtis (Ruricola) ; Gard. Chron., 



1841, p. 131, figs. 16. 

 Coccus bromelife, Bouche; Ent. Zeit. Stettin (1844), 



295. 

 Coccus bromelise (Bouche) ; Boisduval, Ent. Hort. 



(1867), 334. 

 Diaspis bromeliae (Kerner), Signoret; Essai, p. 116. 



Puparium of the female (PL XIII, fig. 2) approxi- 

 mately circular, flat convex, and semitransparent, when 

 free from the admixture of foreign substance, as such 

 examples are when they occur upon the fruit; but 

 those examples upon the leaves are almost hidden 

 beneath the scurfy epidermal layer. Exuvia? towards 

 the margin, vary from dusky yellow to pale brown. 



