INSECT INDEX. 



43 



Opsomala brevipennis, ix,92 



punctipennis, ix,P2. 

 orbitalis, Euura, x, (54, 65, 09. 

 Orchesia, v, 120. 

 Orchestes, v, 141. 

 Orchestides. v,135,141. 

 Orchestris, v, 171, 173. 



vittata, vi,168. 

 oreaster. Aphis, viii,211. 

 Orgyia, vii,271. 



leucostigma, ii, 13,86; vii, 185, 277, 279, 281, 

 282,283; x, 117, 166; xli,100. 

 orgyise, Taehlca, ii,16. 

 Oribatida>, ix,65. 

 oriehalcea, Plusia, ix,42,50. 

 Ormeuis pruinosa, xii.l<i4. 

 ornata, Tettix,ix,96. 

 ornatum. Acridium, ix,96. 

 Ornithomyia, i,32. 

 Orobena rimosalis, ix,38. 

 orobenfe, Apanteles, >ii, 104. 

 orseis, Pieris. ix,27,29. 

 Orsodaena, v, 162, 165. 

 Orsodacnides, v, 163. 

 Ortalidae,vi,77. 

 Orthoptera, iv,8,25,32; v,8,25,32; vi,68,70,76; 



ix, 60. 80, 82; x.60; xii,114. 

 Orthosoma, v, 151, 152. 



cylindrlcum, v,152. 

 Orthostethus infuscatus, vi,25,117; vii, 27. 

 ortoni, Agrotis, vii, 211. 

 Oryssus afRnis, x,71. 



ha3morrhoidalis, x,71. 



manurus, x,71. 

 oryzffi, Sitodrepa, ix,40. 

 Oemoderma, v,90, 91. 



eremicola, v,91. 



scabra, v,91. 

 Osorius, v,71. 



osten-saekeni,Exorista, x, 37. 

 otho, Pamphila, vii, 160. 

 Otho Skipper, Pamphila otho, vii, 160. 

 Otidocephalides, v, 134, 138. 

 Otidocephalus, v,138. 

 Otiorhynchides, v, 134, 137. 

 Otiorhynehus, v, 137. 

 ou, Plusia, ix, 43, 44, 47, 48. 

 ovata, Brachys, v,96. 

 ovinus, Melophagus, ix,63. 

 ovis, Dermatodeetes, ix,66. 



ffistrus, ix,60. 

 ovivorus, Nothrus, iii,115: vi, 19. 

 Owlet moth. Clandestine. (See W-marked 

 Cutworm.) 



Spider. (See Wheat Cutworm.) 



Moths, Noi::tuida\ vi, 72; vii, 199,269,271; 

 X, 128. 

 Ox Bot-fly, Hypoderraa bovis, ix, 61. 

 Oxyeoryphus montezuma, ix,93, 102. 

 oxygrammu. Plusia, ix, 43, 44, 49. 

 Oxyopthalmes, v, 136. 

 Oxyporus, v, 69,70. 



femoralis, v,70. 



lateralis, v, 70. 



Oxyporus major. v,70. 

 5-macnlatus, v,70. 

 ruflpennis, v,70. 

 stygicus, v,70. 

 vittatus, v,70. 

 Oxytelides, v,68.70,74. 

 Oxotelus, v,70,71. 

 Oxyuri, x,212. 



Oyster-sliell Bark-louse, Apple-tree or 

 Apple Bark-louse, Mytilaspis (Aspidio- 

 tus) conchiformis=M. pomieorticis, i,3t; 

 ii,24,94; iii.lOl; vi,16; vii, 122. 

 Anal sack, i,39,40. 

 Birds feeding on, ii,35. 

 Broods, i,37; il.89. 

 Classifleation, ii,45. 



Compared with Harris' bark-louse, i, 36. 

 Decrease, ii, 32,39, 44; vii, 4, 5. 

 Eggs, ii, 89. 

 Female, i,40; ii,25. 

 Figure of antenna, ii,24. 

 egg, ii,24. 

 larva, active, ii,24. 

 larva, fixed, ii,24. 

 insect at different stages, ii,24. 

 parasite of bark-louse. ii,34. 

 scale after formation of second 



plate, ii,2}. 

 scale fully formed, ii,24. 

 scales, appearance on tree, ii,24. 

 Insect enemies, 1,35,36,44,45; ii, 32,43,44; 



iv, 21, 200, 202; v,21. 

 Larva, 1,37,42,62. 

 Larval scale, i,39,40. 

 Life history, i,37. 

 Male, i, 40; 11,24,87. 

 Medial scale, i,39,40. 

 Migrations, i, 41; ii,25. 

 On healthy trees, i,53; ii,31. 

 Proboscis or beak, 1,37,38; ii,28. 

 Range, 1,36; 11,25,44. 

 Remedies, 1,35,46,53; ii,7,40; iii,159. 

 Scale, 1,35,37; ii,30. 



Varieties of apple-tree most frequented 

 by. ii,31. 

 Oza^na, v,46. 



Pachna?us, V.137. 

 Pachypappa, vili,35. 

 Pachyscelus, v,96. 



liuvigatus, v,96. 



purpurea, v,96. 

 Pachyta. v, 156. 

 Piederides, v, 68, 70, 71. 

 PtBderus. v,7I,72. 



littorarlus, v, 72. 

 Painted Mamestra or Ceramica. (See Zebra 



Caterpillar.) 

 Palaminus, v,71. 



testaceus, v,72. 

 palatka, Pamphila, x, 453. 

 Pale Whitish-yellow Plant-louse, Callip- 

 terus ulmifolii. viii, 195,196. 



