Ortalidx, 162. 
Osage Orange as food plant of May-beetles, 
143- 
flamed with gasoline blast-lamp, 5^. 
Osborn, Herbert, and Gossard, H. A., 6. 
pallipes, Agonoderus, j6. 
Parasites: 
of Common Grub -Wasp, 160. 
of Cottony Maple Scale, 114. 
of Elm Twig-girdler, 128. 
of May-beetles, 162, 163. 
of swine, 167. 
of White-grubs, 136, 157, 160, 161, 162, 
163, 167. 
Parasitic Diptera, 163. 
Hymenoptera, 128, 136, 157. 
Paris green, spraying apple-trees with, for 
Plum-curculio, 80. 
parvulus, Sphenophorus, 2, 7. 
Peach as food plant of May-beetles, 143. 
infested by Cottony Maple Scale, T03. 
by Elm Twig-girdler, 118, 121. 
-trees flamed with gasoline blast-lamp to 
destroy San Jose Scale, 46, 47, 52. 
Pear liable to injury by Cottony Maple 
Scale, 103. 
-burner, 49. 
-trees flamed with gasoline blast-lamp to 
destroy San Jose Scale, 46. 
Pears, prickly, gasoline blast-lamp used to 
burn thorns from, 44. 
Pecan as food plant of May-beetles, 144. 
persicaria, Polygonum, 24. 
Persimmon as food plant of May-beetles, 
144. 
Petroleum, crude, for destruction of chinch- 
bugs on ground, 56. 
for San Jose Scale, 59. 
Pettit, R. H., 43, 46, 48. 
Philadelphus, mature egg-laying cottony ma- 
ple scales found on, 103. 
Phillips, J. L,., 44, 47. 
Pigs as enemies of White-grubs and May- 
beetles, 156, 165, 166 — 167. 
Pine flamed with gasoline blast-lamp, 52. 
Plum as food plant of May-beetles, 143. 
-curculio, cost of experimental sprayings 
for, 91. 
experiments in 1904 with arsenical 
sprays for, 80 — 92. 
insecticides and apparatus used in ex- 
perimental spraying for, 82. 
outline of articles on, 78, 79, 80. 
of insecticide experiments in i5^85 for 
protection of apples against, 78 — 79. 
poison tests of apples sprayed with ar- 
senate of lead and other insecticides 
for, 92 — 94. 
Plum-curculio — Continued. 
results of experimental sprayings for, 
82 — 91. 
spraying apples for, 78 — 99. 
summary of results of spraying apples 
for, 92. 
superficial injuries to apples by, as in- 
direct cause of disease, 78. 
commercial importance ol, 78. 
flamed with gasoline blast-lamp to destroy 
San Jose Scale, 47, 52. 
infested by Cottony Maple Scale, 103. 
Polygonum, Corn Root-aphis on roots of, 21. 
persicaria, 24. 
Poplar, Carolina, as food plant of May- 
beetles. 143, 144, 145. 
subject 1o injury by Cottony Maple Scale, 
103. 
Poplars, Lachnosterna beetles collected from, 
141. 
Populus monilifera as food plant of May- 
beetles, '43. 
Potato-beetle, Colorado, killed by gasoline 
blast-lamp, 54. 
Common, and larva, gasoline blast-lamp, 56. 
Prairie-chicken, 149. 
Pulvinaria innumerabilis, 100. 
Pyrgota undata as parasite of May-beetles, 
162. 
pupa and adult of, described, 163. 
Ouail, 149. 
R 
Ragweed, young of Corn Root-aphis on roots 
of, 21, 25. 
Raspail, Xavier, 137. 
Raspberry refused as food and breeding 
plant by Elm Twig-girdler in confinement. 
121. 
Red Elm apparently immune from injury by 
Elm Twig-girdler, 121. 
Reeves, G. I., 44, 50. 
relictus, Ligyrus, 137. 
Remedies and preventives for insect depre- 
dations: agricultural \ ictice, 6, 7, 
165. 
arsenate of lead, 82, 92, 93, 94, 132. 
arsenical poisons, 131, 167, 168. 
coal-tar line with post-hole traps, 30, 31, 
34. 35. 37—39. S6— 57- 
crude petroleum, 56, 59. 
destruction of beetles before eggs are 
deposited, 167 — 168. 
of fallen fruit, 80. 
of infested twigs, 131. 
distribution of disease germs, 167. 
dusty furrow, 30, 34, 36 — 37, 57. 
early and repeated stirring of ground 
in spring, 8. 
