LIST OF PLATES 



OPPOSITE PAGE 



1 . — Pdmoapiple attacked by the Blaok Wieevil in Jamaiea 14 



2. — Specimen poster distributed throughout infested idistriets. ... 18 



3. — I Citrus canker in Florida 24 



4. — The Mlarabu (Diohrostaehys nutans) Showing the dense 



growth 32 



5. — Monecphora bicincta. Ittie insect enlarged in the 'Center, and 



natural size in the corner 38 



6. — The frog-spittle formed at the base of the sugar eane by the 



insect Monecphora bicincta 40 



7. — A good bunch of the grass parana dried by the insect Monec- 



phora bicincta 40 



8. — -A lot of the parana grass free from the insect Moneeplhora 



bicincta 42 



9. — Fields of the parana grass destroyed by the insect Monecphora 



bicincta 42 



10. — Bake to trap insects that damage the pastures. Side view. . . 44 

 11. — Baie to trap insects that damage the pastures. Front view. . . 44 

 12. — Copy of a drawing of one of the rakes that is used in the 



United States to trap insects that damage the pastures ... 44 



13. — Branch of an orange tr^e showing aduilt Black Flies 70 



14. — Branch of an orange tree dhowing eggs and larvae of the 



Black Fly 72 



15. — Orange tree showing the damage doe to the Black Fly. The ■ 



plant withers and dries up 72 



16. — Spraying the trees for the Black Fly in Guantanamo 74 



17. — Spraying the trees for the Black Fly in Guantanamo 7S 



18. — Inspectors and squad of laborers preparing the emulsion for 



the Black Fly _. . . 76 



19. — I Sketch of the region of iGuantanamo showing the places ins- 



pected and where the Black-Fly was foumd 76 



20. — Province of Oriente, showing .zones infested by Black Fly and 



inspected for coconut disease 76 



21. — i Province of Havana, showiag zones infested by Black Fly and 



inspected for the banana disease i 76 



22. — Members of the Commission inspecting the work on the Black 



Fly in Vedado ■ ■ ■' 78 



23. — . An examiple of one of the many gardens in Vedado wfliich 



have been sprayed for the Black Fly 78 



24. — Exam,ple of the gardens treated for the Black Fly in Vedado . 78 



25. — Map of the City of Havana, showing Black Fly infestation. 78 

 26. — 'Map of the Island of Cuba, showing the toeation of the two 



Black Fly centers 78 



27. — i Young coconut tree attacked by the Budrot 86 



28. — Large coconut plantation destroyed by the Budrot disease. . . 80 



29. — Banana plantation destroyed by the Panama disease 80 



r.O. — Cutting down diseased banana plants 82 



31. — Piling up the pieces of diseased banana plants for burning. . 82 



32. — .Burning the .diseased banana leaves and trunks 82 



33. — Spreading 'lime over the roots after cutting away the disseas- 



ed banana pJant 82 



34,. — DLsinfecting the uraplements used in a field of diseased ba- 

 nanas °^ 



