Strawberry injured by Grape-vine 

 Colaspis, 145, 148. 

 Root-worm. See Colaspis brun- 

 nea. 

 strigosus, Cyperus, 12, ig, 20. 

 Summer plowing, or early fall, to 

 prevent injury to Corn by bill- 

 bugs, 3. 

 Summers, H. E.. 28. 



Tanner, John R., 27. 

 Tent-caterpillar, eggs of, 102, 103, 

 104, 134. 

 feeding habits, 135. 

 measures against, 135. 

 recognition of, at different sea- 

 sons, 102, 104, 135. 

 webs of, 135. 

 Thyridopleryx ephemerieformis, 



135. See Bag worm. 

 Tick-trefoil as food plant of Colas- 

 pis brunnea, 148. 

 Timothy as breeding plant of 

 Sphenophorus parvulus, 3. 

 as food plant of bill-bugs, 2, 4, 5, 

 7, 21. 

 of Colaspis Root-worm, 148. 

 Bill-bug. See Sphe no ]) b o ru s 

 sculptilis. 

 Titus, E. S. G., 7, 14, 51, 52, 68, 72. 

 88, 91, 96, 142, 143, U8. 

 Tobacco decoction for Apple-leaf 

 Aphis, 129. 

 dust for Woolly Aphis, 107. 

 Tussock moth, description of larva 

 of, 102. 



egg-mass of, 102. 103, 136, 137. 

 identification of, in winter, 102, 



103. 

 measures against, 137. 

 trees infested by, 102, 136. 

 Twig-blight, loi, 124. See under 



Pear-blight. 

 Typha latifolia infested by Sphe- 

 nophorus pertinax, 17. 



U 



"vie, Aspidiotus, 120. 



V 



venetum, Ghtosiiorium, 126. 



W 



Walnut Scale, 1 14, 117. 



economic importance of, 115. 

 trees infested by, 115. 

 winter stage of, 1 13. 

 Watkins, John T., 145. 

 Webster, F. M., on life history of 

 Sphenophorus ochreus, 16. 

 on Sphenophorus parvulus, 

 5,6. 

 Weston, H. S., 139. 

 Whale-oil soap compared with Cal- 

 ifornia and Oregon washes for 

 San Jose Scale, 89, 90. 

 cost of treatment with, 44, 45. 

 for Apple-leaf Aphis, 129. 

 for Forbes and Putnam scales, 



116. 

 for San Jose Scale, 27, 28, 29, 

 36, 44, 45, 48, 50, 56, 57. 

 for scale insects generally, 113. 

 soda, potash, and sulphur, mix- 

 ture of, for San Jose Scale, 96; 

 effect of, 97. See Los Angeles 

 County wash No. 5. 

 Wheat infested by S])henophorus 



parvulus, 4. 

 White grubs, 146. 



Wild Cherry, injury to, by Canker- 

 worm, 144. 

 Willow infested by Tussock-moth, 



102. 

 Winslow, F. C, 139, 140. 

 Wireworms, 146. 



Woodworth, Charles W.. bulletin 

 on orchard fumigation 

 cited, 31, 32, 67. 

 on lime, salt, and sulphur 

 wash for San Jose Scale, 67. 

 Woodworth, H. O., 50. 

 Woolly Aphis, 99, 100, 103, 105, 

 106 107. 

 destruction of, 107. 

 eggs of, 99. 



identification of injury by, in 

 winter, 104. 

 injury to Apple by. 99, 106. 

 migrations of, 107. 

 multiplication of, 106. 

 protection against, 107. 



