INDEX TO ILLUSTRATIONS. 



Plate I. Tlialessa lunator, face 179. 

 Fig. 1, Mesograpta polita, 5. 



2. Phylloecas integer, 9. 



3. Lestophouus icery^e, 21. 



4. Margarodes quadristigmalis, 24. 



5. Xeraatus ventralis, 34. 



6. Eunijeus atala, 38. 



7. ScMzocerus ebenus, 44. 



8. Eubadizon scliizoceri, 44. 



9. Trypeta ludens, 45. 



10. Dermatobia sp., 79. 



11. Dermatobia sp., 80. 



12. Coccotoru.s scutellaris, 89. 



13. Depressaria heracliana, 95. 



14. Megilla maculata and parasite, 101. 



15. Centistes americana (Perilitus america- 



nus), 103. 



16. Copidryas gloveri, egg, 104. 



17. Cipidryas gloveri, larva, 104. 



18. Copidryas gloveri, cocoon, 105. 



19. Copidryas gloveri, pupa, 105. 



20. Copidryas gloveri, adult, 105. 



21. Polyspliincta dictynDB and Liaypbia com- 



munis with its parasite, 106. 



22. Arotrura eburnea, neuration and uncus, 



116. 



23. Languria mozardi, 119. 



24. Icerjapurchasi, newlybatcbed 91arTa, 127. 



25. Icerya purchasi, second stage cT larva, 



127. 



26. Icerya purcbasi, second stage $ larva, 127. 



27. Icerya purcbasi, tbird stage $ larva, 128. 



28. Icerya purcbasi, d" pupa, 128. 



29. Icerya purcbasi, adult cT, 128. 



30. Pborodon bumuli, stem-motber, 133. 



31. Pborodon bumuli, first migrant from plum 



tbird generation, 133. 



32. Pborodon hamuli, true sexual $ , 134. 



33. Pborodon bumuli, cT, 134. 



34. Pborodon bumuli, eggs and sbriveled 9 



135. 



35. Cbalcis flavipes, 162. ■ 



36. Thalessa lunator, $ ovipositing, 172. 



37. Ilhyssa pei'suasoria ovipositing, 173. 



38. Tbalessa, ovipositor and egg, 174. 



Fig. 39, 



40. 

 41. 

 42. 

 43. 

 44. 



45. 



46. 

 47. 

 48. 

 49. 

 50. 

 51. 

 52. 



53. 

 54. 

 55. 



56. 

 57. 

 58. 

 59. 

 60. 

 61. 

 62. 

 63. 

 64. 

 65. 

 66. 

 67. 



68. 

 69. 



70. 



71. 

 72. 

 73. 

 74. 

 75. 

 76. 



Tremex columba, larva, pupa, and adult 

 178. 



Lacbnosterna grandis, anal characters, 181 



Lacbnosterna fusca, anal characters, 182. 



Lacbnosterna dubia, anal characters, 183. 



Lacbnosterna arcuata, anal characters, 184. 



Sphenoxjborus obscurus, larva, pujja, and 

 adult, 186. 



Sphenopborus obscurus, work in sugar- 

 cane, 189. 



Lactrodectus mactans, cf and $ stages, 204. 



Leonia rileyi, $ and parts, 212. 



Cuterebra emasculator, larva, 214. 



Cbloridea rhexia, 228. 



Egg taken for Dysdercus suturellus, 236. 



Dysdercus suturellus, stages 1 to 3, 237. 



Dysdercus suturellus, fourth stage or 

 pupa, and adult, 237. 



Hadronotus rugosus, 242. 



Riley or cyclone nozzle, 244. 



Universal spraj'-tip, 245. 



Universal spray-tip, section of, 246. 



Xoel nozzle, 248. 



Vermorel nozzle, 263. 



Vermorel nozzle, improved, 264. 



Albrand nozzle, 265. 



Japy nozzle, 265. 



Marseilles nozzle, construction, 266. 



Xew Zealand triplet, 268. 



Thoron opacns, 269. 



Coccophagus californicus, 269. 



Encyrtus dubius, 270. 



Platypsyllus castoris, full-grown larva 

 from above, 303. 



Platypsyllus castoris, adult, 303. 



Platypsyllus castoi'is, j'oung larva, 304. 



Platypsyllus castoris, full-grown larva 

 from below, 306. 



Vanessa antiopa, diagram of fore wing, 3C8. 



Lestophouus iceryje, wing venation, 329, 



Lestophonus iceryse, cf genitalia, 330. 



Robinet's seriraeter, 333. 



Standard serimeter, 336. 



Quajat's horizontal serimeter, 337. 



IX 



