INDEX TO ILLUSTRATIONS. 



Plate I. Tlialessa lunator, face 179. 

 Fig. 1. Mesograpta polita, 5. 



2. Phylloecus integer, 9. 



3. Lestophouus iceryse, 21. 



4. Margarodes quadristigtnalis, 24. 



5. Nematua ventrali.s, 34. 

 C. EutiitBus atala, 38. 



7. Schiztfcerus ebenus, 44. 



8. Eubadizon scliizoceri, 44. 



9. Trypeta ludens, 45. 



10. Dermatobia sp., 79. 



11. Dermatobia sp., 80. 



12. Coccotorus scutellaris, 89. 



13. Depressaria heracliana, 95. 



14. Megilla maculata and parasite, 101. 



15. Centistes americana (Perilitus aiuerica- 



I1U8), 103. 



16. Copidryas gloveri, egg, 104. 



17. C.ipidryas gloveri, larva, 104. 



18. Copidryas gloveri, cocoon, 105. 



19. Cjpidryas gloveri, pupa, 105. 



20. Copidryas gloveri, adult, 105. 



21. Polysphincta dictynre and Liayphia com- 



munis with its parasite, 106. 



22. A.rotrara ebarnea, neuraiiou and uncus, 



116. 



23. Languria mozardi, 119. 



24. Icorj a purchasi, newly hatched ? larva, 127. 



25. Icerya purchasi, second stage rf larva, 



127. 



26. Icerya purchasi, second stage J larva, 127. 



27. Icerya purchasi, third stage $ larva, 128. 



28. Icerya purchasi, cf pupa, 128. 



29. Icerya purchasi, adult d', 128. 



30. Phorodon humuli, stem-mother, 133. 



31. Phorodon humuli, first migrant from plum 



third generation, 133. 



32. Phorodon humuli, true sexual J , 134. 



33. Phorodon humuli, cf , 134. 



34. Phorodon hamuli, eggs and shriveled $ 



135. 



35. Chalcia flavipes, 162. 



36. Thalessa lanator, $ ovipositing, 172. 



37. Rhyasa persuasoria ovipositing, 173. 



38. Thalessa, ovipositor and egg, 174. 



Fig. 39. 



40. 

 41. 

 i2. 

 43. 

 44. 



Tremex columba, larva, pupa, and adult 

 178. 



Lachnosterna grandis, anal characters, 181 



Lachnosteruafusca, anal characters, 182. 



Lachnosterna duhia, anal characters, 183. 



liachnosterua arcuata, anal characters, 184. 



Sphenophorus obscurus, larva, pupa, and 

 adult, 186. 



Siiht-nophorus obscurus, work in sugar- 

 cane, 189. 



Lactrodectus mactans, cf and $ stages, 204. 



Leonia rileyi, $aud parts, 212. 



Cuterebra emasculator, hirva, 214. 



Chloridea rhesia, 228. 



Egg taken for Dysdercus suturellus, 236. 



Dysdernixs suturellus, stages 1 to 3, 237. 



Dysdercus suturellus, fourth stage or 

 pupa, and adult, 237. 



Hadronotus rugosus, 242. 



Riley or cyclone nozzle, 244. 



Universal spray-tip, 245. 



Universal spray-tip, section of, 246. 



Noel nozzle, 248. 



Vermorel nozzle, 263. 



Vermorel nozzle, improved, 264. 



Alhrand nozzle, 265. 



Japy nozzle, 265. 



Marseilles nozzle, construction, 266. 



Xew Zealand triplet, 268. 



Thoron opacus, 269. 



Coccophagus californicus, 269. 



Encyrtus dubius, 270. 



Platypsyllus castoris, full-grown larva 

 from above, 303. 



Platypsyllus castoris, adult, 303. 



Platypsyllus castoris, young larva, 304. 



Platypsyllus castoris, full-grown larva 

 from below, 306. 



Vanessa antiopa, diagram of fore wing,308. 



Lestophouus iceryie, wing venation, 329 



Lestophonus icerya', cT genitalia, 330. 



Robinet's serimeter, 333. 



Standard serimeter, ,336. 



Quajat's horizontal serimeter, 337. 



