Eggs — Coit tin lied. 

 of Tent-caterpillar, 134. 

 destruction of, 135. 

 of Tussock-moth, 102, 103, 136, 



137- 

 destruction (A, 137. 

 of Woolly Aphis, 99. 

 Elm injured by Canker-worm, 139- 



144. 

 Scale, Common, winter stage of, 



113- 

 ephemerieformis, Tliyridople r y x , 



135- 

 Eriophyes pyri, 132. See Pear-leaf 



blister. 

 Evergreens infested by Bag-worm, 



102. 

 exitiosa, Sanninoidea, 121. 



Fall plowing and clean cultivation 

 as measures against bill-bugs, 16. 

 Fay, W. L., 140. 

 Fire-blight, loi, 124. See under 



Pear-blight. 

 Flax, planting, as measure against 

 Clay-colored Bill-bug, i. 

 fluviatilis, Scirpus, 10, 12, 13, 15. 

 Forbes, E. B., 69, 145. 

 Forbes, S. A., Report as State En- 

 tomologist of Illinois cited, i, 17. 

 Forbes Scale, 114. 



economic importance of, 115. 

 treatment for, 116. 

 winter stage of, 113. 

 Fox-tail grass as food plant of 

 Sphenopliorus ochreus, 10. 

 Fumigation, 120, 121. 

 for Black Peach-Aphis, no. 

 for San Jose Scale, 28, 29, 31-44. 

 56, 57. (See also under Orchard 

 Fumigation.) 

 for scale insects generally, 113. 

 for Woolly Aphis, 107. 

 metliod of procedure in, 117. 

 on town lots, 33, 34. 

 Fruit-spot, peach, 101,127. See un- 

 der peach fruit-spot. 

 Fungi of Leaf-spots, 103. 

 Fungus causing apple-scab, 102. 

 l)arasite of .San Jose Scale, 69. 



Y \\xi'^\\%— Continued. 

 pests of nursery most important 

 to the nursery trade, classifica- 

 tion and description of, 99. 



furfura, Chionaspis, 118. 



Fusicladium dendriticum, 102, 137. 



G 



Gamasidic infesting Sphenophorus 



parvulus, 4. 

 Carman, H., on anthracnose of 

 Raspberry and Blackberry, 

 127. 

 on apple-scab, 138. 

 on Black-knot, 125. 

 Gas-tar bands for Canker-worm, 



139- 

 globosus, Dendrophagus, in. 

 Gkeosporium venetum, 126. 

 Grains as resort of Apple-leaf 

 Aphis, 128. 



Grape infested by Grape Scale, 120. 

 injured by Grape-vine Colaspis, 



145, 148. 

 Scale, characterof infestation by, 

 120. 

 economic importance of, 120. 

 eggs of, 120. 

 treatment for, 120. 

 treatment of, with hydrocyanic 



acid gas, 36, 37. 

 subject to crown-gall, 100. 

 -vine Colaspis, 145. See Colas- 

 pis brunnea. 

 Grass, Fox-tail, as food plant of 

 Sphenoi)horus ochreus, 10. 

 June, as food plant of Colaspis 



Root-worm, 148. 

 Sphenop'Jorus scoparius found 

 on, 21 . 

 Grasses as breeding place of Sphe- 

 nophorus pertinax, 18. 

 as resort of Apple-leaf Ai)his 



128. 

 swamp, I. I 



Green, E. C, 34, 39, 4S. 48, 49. 5° 

 140. 

 report on effect of crude pe- 

 troleum on Peach in Cataw- 

 ba Island district, Ohio, 93 

 95. 



