51 



North Carolina laws against injurious insects, XIII, L'4. 



Norway and Sweden, insects of, IX, 79. 



Notolophus leucostigma. See Orgyia. 



Novius cardinalis, introduced into Portugal, XVIII, 80. 



Nurseries, inspection of, II, 13. 



legislation for, YI, 63. 

 Nursery question and San Jo!*e scale, III, 71. 

 Nysius angustatus, mistaken for the chinch bug, XV, 64. 



californicus, injurious to lettuce, XVIII, 101. 

 Oberea bimaculata, boring in apple and witch hazel, IX, 43. 

 effect of cold winter on, XXII, 57. 

 ocellata, injuries by, XIX, 98. 

 Ocneria dispar = Porthetria dispar. 

 Odontocera dorsalis, in timothy, XVII, 45. 

 Odontota dorsalis, abundance in Maryland, A"I, 66. 

 damage by, in Ohio, VI, 68. 

 feeding on herbaceous plants, IX, 22. 

 injurious to apple, XX, 63. 

 Odynerus tigris, note on, XXX, 84. 

 QEdemagena tarandi, l)ot fly of reindeer, V, 105. 

 CEstris hominis, attacks on man, V, 112. 

 early notices of, V, 111. 

 ovis, injury to sheep, V, 102. 



prevention and remedies, V, 105. 

 Ohio, insects of, XX, 68. 



laws against injurious insects, XIII, 27. 

 Olfersia albipennis, on herons, V, 137. 

 americana, on owls, V, 137. 

 ardefe, on herons, V, 137. 



brunnea, mexicana, propinqua, and sulcifrons, notice of, V, 137. 

 Oligia grata, on violets, XXVII, 81. 

 Oligotrophus alopecuri, work of, in Germany, IX, 79. 

 OllifRella cristicola, a gall-making coccid, VII, 76. 

 Omorga columbiana, parasite of Ephestia kuehniella, XX, 67. 

 frumentaria, ]>arasite of Ephestia cahiritella, VII], 43. 

 Plodia interpunctella, VIII, 41. 

 Tinea granella, VIII, 43. 

 Omphale livida, parasite of Ceuthorhynchus rap», XXIII, 49. 

 Monoptilota nubilella, XXIII, 16. 

 Oncideres amputator, food habits of, XVIII, 100. 



putator, injurious to mesquite, XXII, 94. 

 Oncophorus advena, host of, V, 236. 

 minutus, host of, V, 230. 

 Onectra distincta, injuring young plum trees, IX, 43. 

 Oniscus, remedy for, XVIII, 98. 

 Ooencyrtus anaspe, parasite of Anasa tristis, XIX, 26. 

 Ophion Ijifoveolatum, parasite of white grub, XIX, 79. 

 Orchelimum agile, damage by, in Mississippi, XXX, 30. 

 Orcus australasiye, importation of, in South Africa, IX, 37. 

 preying on San Jose scale. III, 53. 

 cferuleus, killing Dactylopius citri, XVIII, 100. 

 chalybeus, preying on San Jose scale. III, 53. 

 Oregon laws against injurious insects, XIII, 29. 



wash, experiments with, against San Jose scale, III, 70. 



