58 



INDEX. 



Gortyna nitela, in Nebraska, 16. 

 Grapholitha interstinctana, in Iowa, 49. 

 Grasshoppers, in Missouri, 37. 



in Nebraska, 9. 

 Greasewood, Pezotettix chenopodii on, 12. 



Haematobia serrata, appearance in Iowa, 49. 

 Harmonia 12-maculata, rare in Oregon, 35. 



picta, in hop yards, 34. 

 Heliothis armiger, attacking oranges and peaches, 



27. 

 Heteromeles arbutifolia, Clisiocampa californica 



on, 29. 

 Hippodamia ambigua in hop yards, 34. 



convergens in hop yards, 34. 



parenthesis in hop yards, 34. 



spnria in hop yards, 34. 



13-punctata in hop yards, 34. 

 Hop louse in Oregon and Washington, 33. 

 Hopperdozers, successful use of, 11, 12. 

 Horn-fly, appearance in Iowa, 49. 



in Missouri, 39. 

 Horse bot-fly, hatching of eggs of, 46. 

 Hydrocyanic acid gas, cheapest fumigator, 32. 

 Hylotrupes ligneus, in Nebraska, 19. 

 Hypena scabra bred from poplar, 55. 

 Hyperaspis signata, larvae attacking Lecanium 

 persicae, 43. 



Insecticide gases, experiments with, 30. 



hydrocyanic acid, cheapest, 31. 

 Insecticides, experience in Missouri, 45. 



Juglans californica, Tortrix citrana on, 24. 

 Juniper bark-borer in Nebraska, 18. 

 Juniperus virginiana, injured in Nebraska, 18. 



Koebele, Albert, report, 33. 



Ladybird, twice-stabbed, attacking scales, 20. 



Ladybirds in hop-yards, notes, 34. 



Larch worm in Maine, 53. 



Leaf-folder damaging nurseries in Iowa, 51. 



skeletonizer in Iowa nurseries, 51. 

 Lecanium hesperidum in California, 36. 



oleae attacked by Rhizobius, 36. 

 Lepidopterous larvae in cornstalks, 16. 



attacking forest trees, 55. 

 Leucania albilinea in Iowa, 50. 

 in Nebraska, 15. 

 unipuncta in Missouri, 37. 

 in Nebraska, 14. 

 Lecanium persicse in Missouri, 41. 



parasite of, 43. 

 Linden leaf-roller in Missouri, 44. 

 Limneria fugitiva, parasitic on Clisiocampa cali- 

 fornica, 29. 

 Locusts in Colorado, report, 10. 

 in Missouri, 37. 

 in Nebraska, report, 9. 

 in west Nebraska and "Wyoming, 13. 

 Loxostege maduraa spreading in Missouri, 38. 

 Lyda sp. on plum in Nebraska, 10. 



Masicera archippivora, parasite of Pyrameis, 30. 

 frenchii, parasite of Clisiocampa californica, 30. 



Melanoplus atlanis, in Colorado, 12. 



bivittatus, increase of, in Colorado, 10, 12. 

 in Missouri, 37. 



differentialis, increase of, in Colorado, 10, 12. 



femur-rubrum, increase of, in Missouri, 10, 37. 



spretus, not numerous, 14. 



turnbulli, ref., 12. 

 Migratory locust, not numerous, 14. 

 Murtfeldt, Mary E., report, 37. 

 Mysia hornii in Oregon, 35. 

 Mytilaspis pinifoliae in Nebraska, 20. 



"Native" locusts, injuries in Nebraska, 14. 

 Nematus erichsonii in Maine, 53. 

 Nettle, Clisiocampa thoracica on, 27. 

 Noctuidmoth, swarms of, 17. 

 Nomophila noctuella in Iowa, 51. 



Oak, Tortrix citrana on, 24. 

 CEdipoda sulphurea in Missouri, 37. 



xanthoptera in Missouri, 37. 

 Orange, attacked by Heliothis armiger, 27. 



leaf-roller in California, 24. 

 Osage-orange Pyralid in Missouri, 38. 

 Ormenis pruinosa in Missouri, 38. 

 Osborn, Herbert, report, 46. 

 Oscinids preying on Coccids and Aphidids, 35. 



Packard, A. S., report, 53. 

 Pantagrapha limata in Missouri, 44. 

 Papilio turnus, var. glaucus, ref., 30. 

 Parexoristasp. .parasite of Pan tagrapha limata, 45. 

 Peach bark-louse in Missouri, 41. 



brassy cutworm injuring, 25. 



attacked by Heliothis armiger, 27. 

 Pear, brassy cutworm injuring, 25. 



tree clear-wing borer, in apple, 40. 

 Pempelia hammondi in Iowa, 51. 

 Petroleum, crude, for use in hopperdozers, 12. 

 Pezottetix chenopodii, n. sp., ref., 12. 

 Phlasosinus dentatus on juniper, 18. 

 Phylloxera rileyi, ref., 43. 



Pimpla inquisitor, parasite of Clisiocampa cali- 

 fornica, 30. 

 Pine-leaf scale-louse in Nebraska, 20. 

 Platynus maculicollis, ref., 26. 

 Plum bark-louse in Missouri, 41. 

 Polygonum, Tanyinechus confertus on, 18. 

 Prochaerodes nubilata on walnut trees, 23. 

 Protective mimicry of Aplodes coniferaria, 55. 

 Psyllobora 20-maculata in Oregon, 35. 

 Pterostichus vicinus, ref., 26. 

 Pyralis cos talis in Iowa, 49. 



farinalis in Iowa, 49. 



Quercus agrifolia, Clisiocampa californica on, 29. 

 Clisiocampa constricta on, 30. 

 Tortrix citrana on, 24. 



Eed-legged locust, increase of, 10. 

 Ehizobius debilis numerous in California, 36. 



ventralis in California, 36. 

 Rocky Mountain locust, not numerous, 14. 

 Eubus vitifolius, Clisiocampa californica on, 28. 



