to 



Ants attendant on Corn Root-aphis — Cont. 



food of, xviii. 84. 



haunts, action-, and habits of, 



xviii. 83 

 life history of, xviii, 82. 

 on Grass Root-louse, xviii, 86, 87, 



38 89, 90. 

 on Sorghum Mealy Bug, xviii, 107. 

 on various species of plant -lice. xiii. 

 45. 48, 52, 54: xiv, 24, 29; Misc. 

 Ess., 46; xviii, 52, 53, 93, l >9, 100. 

 101; xxi. 80 

 on Yellow Jumping Pear-louse, xiv, 

 100. 

 attracted to Com injured bj Corn 



Delphax, xxiii. 121. 

 destruction of lira-- worm by, xiv. 

 56, 64. 

 of nests oi, as measure against 

 Corn Ri i il aphis, xviii. 7S. 

 oaten by harpalid, xxi\. Jo. 

 injury to Corn by, xxiii. 7, 8. 9, 156. 

 to lawns by, and experiments for 

 their destruction. Misc. Ess : 

 leaf-cutting', xxiii. 15°. 230. 

 nests of. infested by Cremastochilus 

 knochii, xxiii. 184. 

 Apanteles ornigis as parasite of Apple 



Ornix. xv. ; 

 Apantesis, xxiii. 71. 

 arge, xxiii. 7^. 230 



injuries to Corn by. xxiii. 75. 

 phalerata, xxiii. 76, 230. 

 phyllira. xxiii. 76, 230. 

 Apatela oblinita, xiii. 61, 82: Misc. Ess., 

 63. 

 infesting Willow, xiv. 117. 

 Apatura. xi\. 52 

 larvae artificially infected with Spo- ! 

 rotrichum globuliferum, xvii, 83. 

 Aphelinus diaspidis, xxi. 44. 



fuscipennis as parasite of San Jose ! 

 Scale, xx. : 

 description of, xx, 20 

 mytilaspidis, xxi. 44. 



des, xxii. 101. 104, 127-129. See 

 Plant-lice. 

 Aphididae, xxi. 80-83, 159; xxiii. 206- 

 211. . 

 and Coccidae, xviii. 55-108. 

 aphidis. Empusa, > 



Entomophthora, xix, 25. Si. 84 110. 

 158. 198; xx 5 j a 61. 65, 



67, 70, 71. 91. 

 Aphidius sp. as parasite of plant lice, 

 xiii. 40, 105. 



- v Apple Aphis, 

 atrip! 



IV,:. xxi, 159-161. S \phis. 



Black Peach-, xxii. 100. 104. 107-110 

 Hack. 



Aphis — Continued. 



Cherry, xxii. 129. See Cherry Aphis. 

 chloris infesting Strawberry, xiii. 100. 

 cucumeris, xxi, 81. 



pii, x\i. 81. 

 Gram, xiii, 40. 



infection experiment with, xix. 51. 

 maidiradicis, xvii, 64-70: xviii. 10. 53, 

 57. 58-85, 104: xxii. 14o : xxiii. 12. 

 69, 156. See also Corn Plant-louse 

 and Corn Root-aphis, 

 maidis, xiii. 40. 41. 42 45-50, 55: Misc. 

 Ess., 117: xvi, XII: xviii. " 



75. 74: xxiii. 12. 125-155. 156. 

 and Corn Root-aphis, distinguish- 



haracters oi. xviii, 82. 

 contagion experiment with. xix. 85. 

 mali, xiv, 98; xvii. 68: xviii. 57: xxii, 



127-129. 

 malifoliae, xiv, 98. 

 Melon, xxi. 81. 

 middletonii, xxi. 80. 159, 161. 

 prunicola, xxii. 107-110. 

 sp. infesting Strawberrv. xiii. 62. 98, 

 102. 145. 

 on Sugar-beet, xxi, 82. 

 Woolly, of \pple. xvii. XIII: xxii, 

 l *>. 100, 104, 106-107. See Woolly 

 Aphis. 

 Aphodius granarius, xxiii. 228. 

 description o\. xviii. 15. 

 injurious to seed of Corn in the 



earth, xviii. 8. 14: xxiii. IS 

 measure to protect seed-corn against. 

 xviii. 15. 

 lutulentus, Misc. Ess,, 98; xviii. 14. 

 spp., xviii, 14. 

 Aphonus, xxiii. 228. 



tridentatus, xxiii. 184. 

 apicalis, Eustilbus, xxiii. 180. 

 Apion sp. on Sugar-beet. xxi. 145. 145. 

 \p cynum cannabinum as food plant of 



Garden Web-worm, xxiii. 90. 

 Apple, Agallia novella on. xxi. 69. 

 ami Pear, notes on insects injurious 



to, x:\. 95-102. 

 Aphis, xiii. ; xxiii. 12". 



similarity of aerial Corn Aphis to. 

 xvii. B 

 as breeding plant and food plant of 

 5s worm. xiv. 58. 62: xxiii. 82. 

 as food plant of Army-worm, xxiii. 49. 

 oi Beet Army-worm. xxi. 150. 

 Common Striped Cutworm, 

 xxiii, 54. 

 of Greasy Cutworm, xxi. 104: 



xxi; 

 of Imbricated Snout-beetle, xxi. 

 145: xxiii. 115. 

 May-beetles, xviii. 114: xxiv. 

 145/144. 



