INDEX 
Acanthiida?. 12. 
Acarina, 73. 
Achillea millefolium as food plant of Clover 
Stem-borer, 107. 
Adalia bipunctata as enemy of Pea-, or Clover-, 
louse, 73, 74. 
alba, Melilotus, 107. 
Alcohols, effect of, on germination of seed- 
corn tested. 9, 13. 
Alfalfa and Clover, tlie insect jiests of, 41-124. 
apparently immune from attack by Clover 
Seed-midge, 47. 
by Pea- or Clover- louse, 67. 
as food plant of Clover Leaf-weevil, 83. 
of Clover Root-borer, 93. 
of Clover Seed-chalcid, 53. 
of Clover S'itoncs, 112, 113. 
insects, 41, 42. 
Allograpta obliqua as enemy of Pea- or Clover- 
louse, 73, 75, 76. 
larva briefly characterized, 75. 
parasite of, 76. 
puparium of, 75. 
Alsike as food plant of Clover Root-borer, 93. 
Clover Seed-caterpillar reared from, 61. 
Seed-midge reared from, 46. 
freely eaten by Clover Leaf-weevil. 83. 
injured by Clover Root-borer. 94. 
injury to, by Clover Sitor.cs. 113. 
insects of, 41. 
altissimus, Cnicus, 107. 
Ambrosia trifida as food plant of Clover Stem- 
borer, 107. 
americana. Campanula, 107. 
americanus, Lasius niger, 1 (see Errata), 27, 122. 
Perilitus, 11, 74, 75, 80. 
.Syrphus, 73, 76. 
annua, Poa, 113. 
Anopedias error as parasite of Clover Seed- 
midge, 50. 
Ant, Carpenter-. See Carpenter-ant. 
Corn-Field. See Corn-Field Ant. 
small yellow, in nests of Corn-Field Ant, and 
infesting corn hill, 34, 37. (See Errata.) 
.\nts attendant on Clover-root Mealy Bug, 118, 
121, 122, 123. 
aphidis, Empusa, 12, 82, 106. 
Aphidius fletcheri as parasite of Pea- or Clo- 
ver- louse, 73, 80. 
washingtonensis as parasite of same, 73, 80. 
sp. as parasite of same, 73, 79, 80. 
dates of emergence of adults of, 
80, 
Apliids injurious to Clover, 42. 
Aphis-lion, manner of feedirtg, etc., 77. 
Army-worm, 83. 
Arthur, J. C, 91. 
Ashmead, W. H.. 59. 
.\sopia costalis, 96. 
B 
liaccha fuscipennis, 73. 
Bassus laetotorius, 73. 
as parasite of Allograpta obliqua. 76. 
of Syrphus ribesii, 76, 80. 
parasite of, 76. 
Beans as food plants of Clover Leaf-weevil, 
42, 83. 
Beet as food plant of Pea- or Clover- louse, 67. 
Beetles injurious to Clover, 42. 
Bellflower as food plant of Clover Stem-borer, 
107. 
bilineatus, Telei)horus, 95. 
bipimctata, Adalia, 73. 74. 
Birds and barnyard fowls as enemies of Clo- 
ver Leaf -weevil, 90. 
Bisulfid of c'arbon for infested hay, 52. 99. 
bivulnerus, Chilocorus, 73, 74. 
Bracon vernoniae presumptive para?ite of Clo- 
ver Seed-caterpillar, 65. 
Braconid parasites of Clover Seed-caterpillar, 
65. 
Braconidas, 73. 
Britton, W. E., 98, 99. 
Bronson, E. V., 41. 
bruchophagi, Tetrastichu?, 58, 59. 
Bruchophagus funebris, 50, 53-61. Sec Clover 
Seed-chalcid. 
generic characters of, 54. 
Bruner, Lawrence, 59. 
Bumblebees in the clover field, 42, Al. 44. 
Burdock as food plant of adult Clover Leaf- 
weevil, 83. 
Burning chaff and stems of Clover after hull- 
ing as measure against Clover Seed-chalcid, 
60. 
c 
Cabbage-worm, Common, as host of Empusa 
sphrerosperma, 91. 
Calcothion, effect of, on germination of seed- 
corn tested, 11. 
Callipterus trifolii, 103-106. See Clover Cal- 
lipterus. 
Campanula americana as food plant of Clover 
Stem-borer, 107. 
Camphor, effect of. on germination of seed- 
corn tested, 11. 
