INSECT INDEX. 
43 
)psomala brevipennis, ix,92 
punctipennis, ix,92. 
■rbitalis, Euura, x, 64,65,69. 
)rchesia, v,12G. 
jrchestes, v,141. 
Irchestides, v, 135,141. 
)rchestris, v, 171,173. 
vittata, vi, 168. 
)reaster. Aphis, viii.211. 
Drgyia, vii,271. 
leucostigma, ii, 13,86; vii, 185,277,279,281, 
282,283; x,117,166; xii.100. 
Hgyi®, Tachina, ii, 16. 
Oribatidae, ix,65. 
orichalcea, Plusia, ix,42,50. 
Ormenis pruinosa, xii.104. 
ornata, Tettix,ix,96. 
ornatum, Acridium, ix,96. 
Ornithomyia, i, 32. 
Orobena rimosalis, ix,38. 
orobenae, Apanteles, xii, 104. 
orseis, Pieris. ix,27,29. 
Orsodacna, v, 162,165. 
Orsodacnides, v,163. 
Ortalida3,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. 
cylindricum, v,152. 
Orthostethus infuscatus, vi,25,117; vii, 27. 
ortoni, Agrotis, vii,211. 
Oryssus afflnis, x,71. 
hacmo-rrhoidalis, x,71. 
manurus, x,71. 
oryzae, Sitodrepa, ix,40. 
Osmoderma, v,90,91. 
eremicola, v,91. 
scabra, v,91. 
Osorius, v,71. 
osten-sackeni.Exorista, x,37. 
otho, Pamphila, vii, 160. 
Otho Skipper, Pamphila otho, vii, 160. 
Otidocephalides, v, 134,138. 
Otidoceplialus, v,138. 
Otiorhynchides, v, 134,137. 
Otiorhynchus, v, 137. 
ou, Plusia, ix, 43,44,47,48. 
ovata, Brachys, v,96. 
ovinus, Melophagus, ix,63. 
ovis, *Dermatodectes, ix,66. 
(Estrus, ix,60. 
ovivorus, Nothrus, iii, 115; vi,19. 
Owlet moth, Clandestine. (See W-marked 
Cutworm.) 
Spider. (See Wheat Cutworm.) 
Moths, Noctuidae, vi, 72; vii, 199,269,271; 
x,128. 
Ox Bot-fly. Hypoderma bovis, ix,61. 
Oxycoryphus montezuma, ix,93,102. 
oxygramma, Plusia, ix,43,44,49. 
Oxyopthalmes, v,136. 
Oxyporus, v,69,70. 
femoralis, v,70. 
lateralis, v,70. 
Oxyporus major. v,70. 
5-maculatus, v,70. • 
ruflpennis, v,70. 
stygicus, v,70. 
vittatus, v, 70. 
Oxytelides, v, 68,70,74. 
Oxotelus, v, 70,71. 
Oxyuri, x,212. 
Oyster-shell Bark-louse, Apple-tree or 
Apple Bark-louse. Mytilaspis (Aspidio- 
tus) conchiformis=M. pomicorticis, i,34; 
ii,24,94; iii, 101; vi,16; vii, 122. 
Anal sack, i, 39,40. 
Birds feeding on, ii, 35. 
Broods, i, 37; ii, 89. 
Classification, 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, 24. 
scale fully formed, ii, 24. 
scales, appearance on tree, ii, 24. 
Insect enemies, i,35,36,44,45; ii, 32,43,44; 
iv,21,200,202; v,21. 
Larva, i, 37,42,62. 
Larval scale, i,39,40. 
Life history, i,37. 
Male, i, 40; ii,24,87. 
Medial scale, i, 39,40. 
Migrations, i, 41; ii,25. 
On healthy trees, i, 53; ii, 31. 
Proboscis or beak, i,37,38; ii, 28. 
Range, i,36; ii,25,44. 
Remedies, i,35,46,53; ii,7,40; iii,159. 
Scale, i,35.37; ii,30. 
Varieties of apple-tree most frequented 
by, ii, 31. 
Ozacna, v,46. 
P 
Pachnaeus, v,137. 
, Pachypappa, viii,35. 
Pachyscelus, v,96. 
laevigatus, v,96. 
purpurea, v,96. 
Pachyta, v, 156. 
Paederides, v, 68,70,71. 
Paederus, v,71,72. 
littorarius, v,72. 
Painted Mamestra or Ceramica. (See Zebra 
Caterpillar.) 
Palaminus, v,71. 
testaceus, v,72. 
palatka, Pamphila, x, 453. 
Pale Whitish-yellow Plant-louse, Gallip- 
terus ulmifolii. viii, 195,196. 
