ILLUSTRATIONS. 
PLATES. 
Pat*. 
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. — Dialeurodicus cockerellii ,._ 28 
V. Figs. 1-6. — Dialeurodicus silvestrii 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 anonce 44 
XI. Figs. 1-9. — Aleurodicus coccolobw 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 secretion 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 se- 
cretion. Fig. 2. — Pupae of Aleurodicus guppyii on leaf, show- 
ing waxy secretion 56 
XVIII. Leaf infested with Aleurodicus guppyii, showing waxy secretion 
of pupae 56 
XIX. Figs. 1-5. — Aleurodicus jamaicensis. Figs. 6-11. — Aleurodicus 
holmcsii CO 
XX. Figs. 1-11. — Aleurodicus ncglectus 60 
XXI. Fig. 1. — Aleurodicus holmesii: Pupae on leaf, showing waxy se- 
cretion. Fig. 2. — Aleurodicus ncglectus: Pupae on leaf, show- 
ing waxy secretion 60 
XXII. Figs. 1-5.— Aleurodicus ornatus. Figs. 6-9. — Aleurodicus pul- 
vinatus 64 
XXIII. Figs. 1-8. — Aleurodicus trinidadensis 68 
XXIV. Figs. 1-12.— Aleurodicus (Lecanoidcus) giga ulcus 68 
XXV. Aleurodicus ( Lecanoideus) giganteus: Leaf, showing waxy se- 
cretion of pupae and trails of secretion left by adults 68 
XXVI. Figs. 1-5. — Aleurodicus (Lecanoidcus) mirabilis. Figs. 6-11.— 
Aleurodicus ( Metaleurodicus) altissimus 72 
XXVII. Figs. 1-10. — Aleurodicus (Metaleurodicus) cardini 72 
XXVIII. Figs. 1-10. — Aleurodicus (Metaleurodicus) minimus 72 
XXIX. Fig. 1. — Aleurodicus (Lecanoidcus) mAraOilis: Pupae on leaf, 
showing wax. Fig. 2. — Aleurodicus (Metaleurodicus) altissi- 
mus: Pupae on leaf, showing waxy secretion. Fig. 3. — Aleuro- 
dicus {Metaleurodicus) minimus: Pupae on Leaf, showing waxy 
socretion 72 
XXX. Figs. 1-9. — Paraleyrodes persece 84 
XXXI. Figs. 1-9. — Paraleyrodes urichii 84 
XXXII. Figs. l-l.—Aleurochiton aceris 84 
XXXIII. Figs. 1-10. — Aleurochilon forbesii 90 
xxxiv. Figs. 1-8. — Neomaskellia comata 90 
TEXT BTGUBES. 
Vw. l. Genealogical diagram of the Aleyrodidae 19 
2. Wings of Udamoselis pigmentaria 20 
3. Head of Dialeurodicus eockerelUi 27 
4. Leonardius lahillei: I'upM case, details 86 
5. Leonardius lahillei, showing wax rods 87 
<;. Aleurodicus cocois: Insects in situ, pupa case, adult, abdomen 48 
7. Aleurodicus cocois: Adult male ami female, details 49 
x. Aleurodicus cocois: Bgg, Larvae, and details 50 
9. Aleurodicus cocois: Bkiu <>i* full-grown larva 51 
10. Wings of ileurodicus oonspurcatus 55 
11. Aleurodicus phalamoides: Adult aud details 80 
VI 
