ILLUSTRATIONS. 



PLATES. 



Page. 



Plate I. Figs. 1-12. — ^Wing venation in the Aleyrodidae 8 



II. Figs. 1-7. — Anatomical details in the Aleyrodidae 8 



III. Figs. 1-6. — Diagrams of aleyrodid structures 12 



IV. Figs. 1-14. — Dialeurodictis cockerellii 28 



V. Figs. 1-6. — Dialeurodicus sihestrii 28 



VI. Figs. 1-8. — Dialeurodicus tessellatus 32 



VII. Fig. 1. — Pupae and waxy secretion of Dialeurodicus cockerellii on leaf. 



Fig. 2. — Pupae of Dialeurodicus tessellatus on leaf 32 



VIII. Figs. 1-8. — Dialeurodicus pulcherrimus 32 



IX. Figs. 1-14. — Leonardius lahillei 40 



X. Figs. 1-12. — Aleurodicus anonse 44 



XI. Figs. 1-9. — Aleurodicus coccolobse 44 



XII. Figs. 1-15. — Aleurodicus cocois 52 



XIII. Figs. 1-7. — Aleurodicus destructor 56 



XIV. Fig. 1. — Pupae of Aleurodicus cocois on leaf, showing waxy secretion. 



Fig. 2. — Pupae of Aleurodicus destructor on leaf, showing waxy secre- 

 tion 56 



XV. Figs. 1-13. — Aleurodicus dugesii 56 



XVI. Figs. 1-11. — Aleurodicus guppyii 56 



XVII. Fig. 1. — Pupae of Aleurodicus dugesii on leaf, showing waxy secretion. 

 Fig. 2. — Pupae of Aleurodicus guppyii on leaf, showing waxy secre- 

 tion 56 



XVIII. Leaf infested with Aleurodicus guppyii, showing waxy secretion of 



pupae 56 



XIX. Figs. 1-5. — Aleurodicus javiaicensis. Figs. 6-11. — Aleurodicus hol- 



mesii 60 



XX. Figs. 1-11. — Aleurodicus neglectus 60 



XXI. Fig. 1. — Aleurodictis holmesii: Pupae on leaf, showing waxy secretion. 

 Fig. 2. — Aleurodicus neglectus: Pupae on leaf, showing waxy secre- 

 tion 60 



XXII. Figs. 1-5. — Aleurodicus ornatus. Figs. 6-9. — Aleurodicus pulvinatus . 64 



XXIII. ¥\gs. 1-8. — Aleurodicus trinidadensis 68 



XXIV. Figs. 1-12.— Aleurodicus {Lecanoideus) giganteus 68 



XXV. Aleurodicus (Lecanoideus) giganteus: Leaf, showing waxy secretion of 



pupae and trails of secretion left by adults 68 



XXVI. Figs. 1-5. — Aleurodicus (Lecanoideus) mirabilis. Figs. 6-11. — Aleuro- 

 dicus ( Metaleurodicus) altissimus 72 



XXVII. Figs. 1-10. — Aleurodicus ( Metaleurodicus) cardini 72 



XXVIII. Figs. 1-10. — Aleurodicus ( Metaleurodicus) minimus 72 



XXIX. Fig. 1. — Aleurodicus (Lecanoideus) mirabilis: Pupae on leaf .showing 

 wax. Fig. 2. — Aleurodicus (Metaleurodicus) altissimus: Pupae on 

 leaf, showing waxy .secretion. Fig. 3. — Aleurodicus (Metaleurodi- 

 cus) minimus: Pupte on leaf, showing waxy secretion 72 



I.X 



