EXPLANATION OF PLATE XIII. 



DIASPIS BROMELI^;. (Page 156.) 



Fig. 1. Insects, natural size, in situ on portion of pine- 

 apple (perianth). 



2. Puparium of adult female. X 20. 



3. Adult female at period of gestation. X 35. 



4. Adult female after parturition. X 35. 



5. Puparium of male. X 20. 



6. Male. X 35. 



7. Ova. 



DIASPIS BOISDUVALII. (Page 153.) 



Fig. 8. Insects, natural size, /// >//" on portion of palm 



leaf. 

 9. Adult female after treatment with potash. 



X 45. 

 10. Thoracic tubercle of adult female, x 500. 



DIASPIS CALYPTROIDES. (Page 159.) 



Fig. 11. Insects, natural size, in xitu on portion of 



cactus. 



12. Adult female after treatment with potash. 

 x 45. 



