G6 



Fumigating outfit for scale-insects, purchased by 



city of Riverside, 9. 

 Fumigation for scale-insects in California, 9. 

 Fungous disease of locusts, 34. 

 Gracilaria negundella, in Missouri, 51. 

 Grape Phylloxera, absence of, in Missouri, 49. 

 Grapholitba interstinctana, plentiful in Iowa, 44 

 Grapta interrogationis, conspicuous in Iowa, 44. 

 Grasses, Nomophila noctuella swarming in, 44. 

 Grasshoppers, in Kansas, 47. 

 Green-striped maple- worm, in Nebraska, 41. 

 Hadronema militaris. attacking beets, 36. 

 Helianthus annuus, Pa3disca strenuana on, 30. 

 Heliothis armiger, on corn in Missouri, 50. 

 Heteropus ventricosus, attacking Leis confor- ! 



mis, 23. 

 Hippodaniiaconvergens, parasitised by Euphorus i 



sculptus, 16. 

 Honey, amount gathered influenced by removal 

 of queen, 59. 

 consumed in secreting wax. 59. 

 evaporation, by artificial heat, 62. 

 by sun heat, 62. 

 experiments in, 61. 

 summary of experiments, 63. 

 feeding back, 63. 

 planting for, 60,61. 



results of experiments in feeding back, 64. 

 Honey-locust. Lasioptera sp. ( in twigs of, 54. 

 Hydrocyanic acid gas treatment, extension of, 9. 

 Hyperchiria io. numerous in Iowa, 44. 

 Icerya purchasi, destroyed by T Novius kcebelei, 

 26. 

 still controlled by Vedalia, 9, 26. 

 Imported cabbage butterfly, rare in Iowa, 43. 

 Insect hijuries in Nebraska, 34. 

 Insects, beneficial, $5,000 appropriated by Califor- 

 nia for importing, 10. 

 from Australia and Xew Zealand, 10. 

 excessive rainfall adverse to, 49. 

 injurious, scarcity of, in Missouri, 49. 

 miscellaneous, in Nebraska, 41. 

 of California, report on, 9. 

 of Iowa, report on, 42. 

 Isaria sp., probably attacking Coccinellid, 20. 

 Jassida-, destructive in Iowa. 44. 

 Kerosene emulsion, not effectual against walnut 



span-worm, 29. 

 Koebele, Albert, letters of, 11, 12, 13, 14. 



second mission to Australia, 7, 10. 

 Lachnosterna, attacking beets. 37. 



not affected by Botrytis tenella, 47. 

 Ladybirds, Australian, importation of, 10. 



possibly established, 26. 

 Larrabee, J. H., report by, 7,57. 

 Lasioptera sp., on honey T locust, 54. 

 Leis antipodum, fails to attack scale-insects, 11. 

 received from New Zealand, 10. 

 conformis. descriptions of egg and larva, 22. 

 parasitised by Heteropus ventricosus, 23. 

 probably established in California, 26. 

 received, from Australia, 12. 

 Lepidium virginicum, Ceutorhynchus rapae on, 



50. 

 Leucania nnipuncta, appearance in Iowa, 44. 

 Lime an improvement to Paris green spray, 33. 

 Locust mite, Trombidium locustarum. 35. 



Locusts, causes of decrease, 35. 

 destructive, in Nebraska, 34. 



parasites aud diseases of, 34. 

 fungous disease of, 34. 

 Loxostege maclura3, description, 51. 

 on Osage orange, 51. 

 similalis, in Nebraska, 38. 

 sticticalis, attacking beets, 37. 

 life-history of, 39. 

 Lyda/ sp., on plums in Nebraska, 41. 

 Macrocentrus delicatus, and Codling moth, 30. 



hosts of, 30. 

 Mamestra picta, frequent in Iowa, 44. 



sp., on beets. 40. 

 Maple, soft, Diplosis sp. (?) on, 55. 



worm, green-striped, in Nebraska, 41. 

 Megilla maculata, parasitised by Euphorus sculp- 

 tus, 16. 

 Melanoplus atlanis. in Nebraska, 35. 

 killed by fungus, etc., 35. 

 bivittatus, killed by Entomophthora, etc., 35. 

 difi'erentialis killed by Entomophthora, etc. ,35. 

 femur-rubrum, killed by Entomophthora, etc., 



35. 

 spretus in Nebraska. 35. 

 Microcera coccophila, probable fungus attacking 



Coccinellid. 20. 

 Murtfeldt, Mary E., report by, 8, 49. 

 Myzus persicae on plum, in Iowa, 46. 

 Nebraska, insect injuries in. 34. 

 Nomophila noctuella, plentiful in Iowa, 44. 

 Novius kcebelei closely resembles Vedalia, 21. 

 descriptions of early stages of, 20. 

 established at Los Angeles, 25. 

 not so efficient as Vedalia, 25. 

 received from Australia, 13. 

 Oak. Edema albi Irons on, 44. 

 walnut span-worm on, 27. 

 Orange, beneficial insects imported for, 10. 

 Orcus australasiae, description of early stages 

 of, 16. 

 established at Los Angeles, 25. 

 probably more beneficial than other impor- 

 tations, 9. 

 received from Australia, 12. 

 chalybeus, descriptions of early 7 stages of, 19. 

 established at Los Angeles, 25. 

 from Australia, 12. m 



fungus on, 20. 

 bilunulatus from Australia. 14. 

 Osage Orange Pyralid, description, 51. 

 destructiveness in Missouri, 51. 

 parasites of, 5ji. 

 Osborn, Herbert, report by, 8, 42. 

 Psedisca strenuana, host of Macrocentrus deli- 

 catus, 30. 

 Papilio asterias, abundant in Iowa, 44. 

 cresphontes, abundant in Iowa, 44. 

 turnus, abundant in Iowa, 44. 

 Parasites of Codling moth, 30. 

 scarce in Missouri, 56. 

 of Plum curculio, scarce in Missouri, 56. 

 Paris green, against walnut span-worm, 29. 

 for codling moth, 32. 

 spray improved by lime, 33. 

 not improved by r ammonia, 32. 

 proportions for, 32. 



