KciiKHlics ami prc\ cntivos — Cf«- 

 tiniitd. 

 arsonite of lime, i ( i. 

 Bordeaux iniNiure, in, i.'o. 127. 

 burning infested leaves. 134. 

 California wash, .15, 50, 52 56. 

 Crude petroleum, 27, 01 95. 

 destruction of insects' ei:;gs, 135, 



13^ 137- 

 fall plowing' and clean culti\a- 



tion. Id. 

 fumigation, 28, 20, 30, 31 44, 5(1, 



57, 107, 110, 113. 117. 

 hot water, 107. 

 gas-tar bands, 139. 

 hydrocyanic acid gas. See Fumi- 

 gation, 

 kerosene emulsion. 27, 31), 40, 41, 

 42, 45 52, 50, s7, 107, no- 

 113. u6, 120. 120, 132, 134. 

 with whale-oil soap, ob. 07. 

 pure. 01 05. 

 lime, salt, and blue \ itriol. See 

 Oregon wash and California, 

 salt, and sulphur. Sec under 

 California. 

 Los Angeles County wash No. 5. 

 96. 97- 



Paris green .uui li\nc, 131. 

 picking otY tufts of leaxes, 131. 

 planting tlax, 1. 

 printers' ink, 142 143, 144. 

 rotation, 1 10, 1 1 1, 124. 

 summer plowing, or early fall, 3. 

 tobacco decoction, 120. 



dust, 107. 

 whale-oil soap, 27, 28, 30, 44, 45,48, 

 50, 5(1,57,89, >.)0, 113.116,120, 129. 

 Report of the California State 

 Board of Horticulture cited, 67. 

 Entomological Department of 

 the New Jersey Agricultural 

 Experiment Station cited. 67. 

 State Entomologist of Illinois 

 cited, 1, 17. 

 tv.ing-and-i\ipple scales, 114, 115^ 

 iiti. See under San Jose Scale 

 and its allies. 



robustus, SphenophiMus, 22. 

 Root-rot, 99i 103- 

 appearance of, inwii\ter. 104. 



Root-rot— Coiitinucii. 

 description of, 100, 111. 

 measures for extermination of, 

 1 12. 



trees sul^ject to attack of, in . 

 Root-worm, Colaspis. 145 149. See 

 under Colaspis brunnea. 

 Strawberry. See Colaspis brun- 

 nea, 

 ros;v, .Vulacaspis, 120. 

 Rose or R.ispberry Scale, 113. 120. 

 eggs of, 121. 



general description of, 120. 

 measures against, 121. 

 plants infested by, 120. 

 winter stage of, 113. 121. 

 Rotation as protection against 

 Black Peach-Aphis, iio. 

 against crown-gall, in. 

 against Peach-tree Borer, 124. 

 Rumex as food plant of Colaspis 

 bruimea, 148. 

 Rushes, 2, 10. 

 as food plants of bill bugs, 11, 18. 



San Jose .^cale, iw. 103. 



and its allies, 114 117. 



distinctive appearance 

 of, 115, 116. 

 relative importance of, 115. 

 similarity of appe. trance 

 of, 114. 

 experiments and <>bserva- 

 tions on the use of crude 

 petroleum and pure kero- 

 sene for. 91 95. 

 experiments with sununer 

 washes for, 06. 

 fumigation for, 28, 2q, 31 44. 

 (See also under Orchard 

 fumigation.) 

 fungus parasite of, tv). 

 insecticides f o r, g e n e r a 1 

 summary concerning, 56. 

 lime and sulphur washes 

 for, 67-QO. See under Cali- 

 fornia and Oregon, 

 liquid insecticides for, 27, 56. 

 loosening of. bv insecticides, 

 69. 



