Corn Root -aphis, repellents against — Cont. 
oil of cloves, 8, 9. 
of lemon and alcohol, 8, 12. 
of sassafras, 8, 9. 
of wintergreen, 8, 9. 
salt, 10. 
Scalecide, 11. 
sulphur, 10. 
tar-, or coal-tar-, water, 5, 6, 11. 
tobacco-water, 11. 
turpentine, 5, 6. 
Root-worm beetles, dead, as food of Corn- 
Field Ant, 37. 
Northern, 24. 
cosialis, Afopia, 96. 
Hyiisopjgia, 96. 
Pyralis, 96. 
Crimson Clover and lime, 81. 
injured by Clover Seed-chalcid, 53. 
preferred to Red Clover by Pea- or Clover- 
louse, 67. 
Crude petroleum, effect of. on germination of 
seed-corn tested, 8, 12. 
CurcuHonidae, 86, 114. 
Cutworms as food of Corn-Field .\nt, 37. 
cylindrica. Spli?erophoria, 73, 76. 
D 
Dactylopius trifolii, 117. 
Daisy, Oxeye, as food plant of Clover Stem- 
borer, 107. 
Dasyneura leguminicola, 46-53. 
and 1). trifolii distingu'shed, 100-101. 
''See Clover Seed-midge.) 
'rifolii, 99-103. See Clover Leaf-midge. 
Davis, G. C, 50, 52, 94, 95, 119, 120, 121. 
Davis. J. L, 41, 103, 104, 106. 
destructor, Nectarophora, 66. 
Diahrotica longicornis, protection against, 24. 
dioica. Urtica, 107. 
Diplosis sp. as enemy of Pea- or Clover- louse, 
73, 78. 
hibernation of, 78. 
E 
Earthworms ns food of Corn-Field Ant, 37. 
Eggs of Aphidius sp., 80. 
of chalcid. 111. 
of Chrysopidae, 77, 78. 
of Clover Callipterus, 104, 105, 106. 
of Clover Hay-worm, 97, 98. 
of Clover Leaf-midge, 99, 100, 101, 102. 
of Clover Leaf-weevil, 84, 87-88, 89-90. 
of Clover-louse. See eggs of Pea- or Clover- 
louse. 
of Clover Root-borer, 93, 94, 95. 
of Clover-root Mealy Bug, 120, 121, 122, 123. 
of Clover Seed-caterpillar, 62, 63, 64. 
of Clover Seed-chalcid, 53, 55, 56, 57, 58, 
.=;o. 60. 
of Clover Seed-midge, 47, 48, 49, 51, 52. 
Eggs — Continued. 
of Clover Sitones, 114, 115, 116. 
of Clover Stem-borer, 107, 108, 109, 110, lU 
of Coccinellidae, 74. 
of Colorado Potato-beetle, 74. 
of Euschistus variolarius, 75, 77, 80. 
of Hippodamia parenthesis, 74. 
of Megilla maculata, 74. 
of Pea- or Clover- louse, 67, 69, 70, 71, 72, 
82. 
of Podisus maculiventrjs, 7S, 77. 
of Sitones lineellus, 117. 
of Syrphidae, 75, 76. 
Empusa aphidis and other natural agencies ef- 
fective against Pea- or Clover- louse, 72, 
83. 
Clover Callipterus subject to attack by, 106. 
life history of, 73. 
sphasrosperma, 73. 
disease of Clover Leaf-weevil due to, 90-91. 
distribution of, 91. 
various hosts of, 91. 
Enarmonia interstinctana, 61-65. See Clover 
Seed-caterpillar. 
English Sparrow as enemy of Pea- or Clover- 
louse, 80. 
Entomophthora sphaerosperma, 91. 
Erigeron canadensis, E. philadelphicus, and E. 
ramosus as food plants of Clover Stem-borer, 
107. 
error, Anopedias, 50. 
Eurytoma funebris, 50. 
Euschistus variolarius as enemy of Pea- or 
Clover- louse, 73, 79. 
attacking Syrphida, 77, 80. 
preying upon coccinellid pupae, 75. 
F 
farinalis, Pyralis, 97. 
ferrugineus, Camponotus, 29. 
Fertilization to sustain Corn under Corn Root- 
aphis attack, 25. 
peas attacked by Pea- or Clover- louse, 
81. 
Fertilizers and the Clover Root-borer, 95. 
for root-feeding insects, 95. 
to lessen injury by Corn Root-aphis, 25. 
Fielde, Adele M., 36. 
flavescens, Sitones, 112. 
flavus, Lasius, 122. 
Fleabane, Daisy and Pink, as food plants of 
Clover Stem-borer, 107. 
Fletcher. James, 51, 76, 78, 80, 81. 95. 
fletcheri, Aphidius, 73, 80. 
Flies as hosts of Empusa sphserosperma, 91. 
floridana, Lactuca, 107. 
Flower-flies in clover fields, 75. 
Folsom. J. W., 37. 
The Insect Pests of Clover and Alfalfa, 
pajier on, by, 41-124. 
Forbes. S. .\., 96, og. IIP. i:i. \22. 
