42 
INSECT INDEX. 
Oak-leaf Phylloxera. Phylloxera rileyi, viii, 
163. 
Tortrix, Oak Tortrix, Argyrolepia 
quercit'oliana, Tortrix trifurculana, 
vii, 4,114,257,279,281; ix,142. 
Twig-pruner. Elaphidion villosum, vi, 
38,43,150, pp. i, iii.iv. 
Oat Aphis. (See Grain Plant-louse.) 
Obera, v, 158,159. 
oblinita, Acronycta, vii, 201,279,282; x, 131. 
Apatela, vii, 201; x,131. 
obliquata, Penthe, v, 120. 
Oblique-banded Leaf-roller. (See Greater 
Leaf-roller.) 
obliquus, Elater, vii,28. 
oblongus, Aphodius, v, 81. 
obsoletus, Bruchus, v, 129; vi,128, p. i. 
obscura, Chrysobothris, vi, 111. 
obscurus, Agriotes, vi,24. 
Tenebrio, v, 123. 
occidentalis, Apatela, x,129. 
Pieris, ix, 27,28,29,34. 
Polyphylla, v, 86 
ocellata, Buprestis, v, 106. 
octomaeulata, Alypia, vii, 176,280; x, 110,172. 
oetopunctata, Mordella, v, 112,114. 
octoscripta, Plusia, ix, 44. 
oculata, Chrysopa, viii, 177. 
var. chlorophana, Chrysopa, viii, 178. 
oeulatus, Alaus, v, 99; vi, 25,116, pp. i, ii; vii, 
26. 
Elater, v, 99. 
Ocypus, v, 69. 
ater, v, 69. 
Odontaeus filicornes, v, 82. 
Odontota, v, 174. 
ariadne, v, 175, 
bicolor, v, 175. 1 
harrisi, v, 175. 
lecontei, v, 175. 
nigrita, v, 175. 
notata, v, 175. 
omogera, v, 175. 
quadrata, v, 175. 
rosea, v, 175. 
rubra, v, 175. 
scapularis, v, 175. 
walshi, v. 175. 
CEcophora pseudospretella, i, 79. 
(Edemasia concinna, 7,190. 
(Edemeridas, iv, 34; v, 34,118. 
(Edionychis, v, 171,172. 
CEdipoda, ix, 86. 
aequalis, ix, 90,94,109,112. 
atrox, ix, 95. 
belfragii, ix, 90,94, 111. 
carinata, ix, 94. 
Carolina, ix, 88,94,111,134. 
cincta, ix, 95. 
collaris, ix, 90,94,110. 
corallina, ix, 95. 
corallipes, ix, 114. 
GMipoda discoidea, ix, 95. 
latipennis, ix, 95. 
maratima, ix, 95. 
migratoria, vi, 46,48. 
neglecta, ix, 95. 
pellucida, ix. 95. 
phoenicoptera, ix, 95. 
rugosa, ix, 95,115. 
sordida, ix, 93. 
sulphurea, ix, 94. 
• tenebrosa, ix, 94. 
virginiana, ix, 93. 
xanthoptera, ix, 94. 
(Edipodini, ix, 83,84,88. 
ffineis, v, 184,185. 
pusilla, v, 185. 
(Estridae, vi, 73; ix, 61. 
(Estrus ovis, ix, 60. 
Old-fashioned Potato-beetle. (See Stripi 
Potato-beetle.) 
oleivorns, Phytoptus, xii, 124. 
olens, Goerius, v, 68. 
oleracea, Pieris, vii, 143,278,280,281,282; ix, 
26,27,28,29,30,31,32,34.35; x, 77. 
var. borealis, Pieris, ix, 29,30. 
casta, Pieris, ix, 27,29,30. 
castoria, Pieris, ix, 28,29,30. 
cruciferarum, Pieris, ix, 27,29. 
frigida, Pieris, ix, 28,29,30. 
hulda, Pieris, ix, 29,30. 
iberidis, Pieris, ix, 28,29. 
pallida, Pieris, ix, 28,29. 
resedas, Pieris, ix, 28,29. 
virginiensis, Pieris, ix, 29,31,34,35. 
Olophrum, v, 75. 
olyra, Magdalis, v, 139; vi, 132. 
Omahides, v, 68,75. 
Omalium, v, 75. 
omogera, Odontota, v, 175. 
Saxinis, v, 170. 
Omophron, v, 39,42,43,46. 
labiatum, v, 42. 
Omosita colon, v,60. 
Oncideres, v, 158,159. 
cingulatus, v, 159; vi, 83, 
Onion Fly, Onion Maggot, i,32; vi, 77. 
onobrychis, Aphis, viii, 64. 
ononedis, Chaitophorus, viii. 106. 
Onthophagus, v,80,81. 
Oodes, v, 46,47,48,49. 
opaca, Silpha, v,57. 
opaculus, Anisodactylus, xii, 112. 
opacus, Geotrupes, v,82. 
Geotrypes, v,82. 
Opadia funebrana, i, 81. 
Ophion, i, 17. 
macrurum. vii, 194. 
mundum, iv, 192. 
purgatus, x,41. 
sp., iv, 192. 
Ophryastes, v, 136,137. 
Opsomala bivittata, ix,92. 
