Khyncholophidic, IZ. 
Rhyncholophus parvus as enemy of Pea- or 
Clover- louse, 73, 79. 
ribesii, Syrphus, 73, 76. 
Riley, C. Y., 75, 84. 86, 88, 89, 90, 92, 95, 
97, 99. 
Root-aphis, Corn. See Corn Root-aphis. 
Root-borer, Clover. See Clover Root-borer. 
Rool-lice as food of Corn-Field Ant, 37. 
Root-louse, Common Grass, on roots of Corn 
and weeds, attended by Corn-Field Ant, 38. 
Rotation period in Clover, short, as measure 
against clover insects, 46. 
against Clover Root-borer, 95. 
against Clover Seed-caterpillar, 65. 
in Corn, short, as measure against Corn 
Root-aphis, 24. 
Rudbeckia laciniata as food plant of Clover 
Stem-borer, 107. 
rufilabris, Chrysopa, 73, 78. 
rugulosus, Podabrus, 73, 79. 
s 
Salt, effect of, on germination of seed-corn 
tested, 10. 
Sanderson, E. D., 50, 66, 68, 69, 76, 79, 80, 81. 
sanguinea, Coccinella, 73, 74. 
sativa, Medicago, 83. 
scabrinodis lobicornis, Myrmica, 122. 
Scale insects, insect enemy of, 74. 
Scalecide, effect of, on germination of seed- 
corn tested, 11. 
schaufussi, Formica, 34. 
Schizoneura panicola, 39. 
on roots of Corn and weeds, attended by 
Corn-Field Ant, 3.8. 
Schwarz, F. A., 116. 
Scolytida;, 92. 
.Seed-caterpillar, Clover. See under Clover. 
Shepherd's-purse as food plant of Pea- or 
Clover- louse, 67. 
Sigalphus tibialis, 65. 
Sitones, Clover, 112-117. See Clover Sitones. 
flavescens, 112-117. See Clover Sitones. 
generic characters of, 114. 
hispidulus found feeding on Red Clover, 
116. 
lineellus injurious to Clover and Alfalfa in 
Europe, 116, 117. 
larva similar to that of S. flave^cens, 117. 
tibialis, 116. 
SO. 
70, 71. 
as enemy of Pea- or Clover- 
lesta .in hill of Corn. 38. (Sec 
Smith, J. B., 
Snider, E. Q. 
Soldier-beetle 
louse, 79 
Solcnopsis nu 
Errata.) 
domesticated in nests of Corn-Field Ant, 
34. 
.Soy-beans apparently immune from attack by 
Pea- or Clover- louse, 67. 
.Sphierophoria cylindrica as enemy of Pea- or 
Clover- loui^e, 73, 76. 
sphxrosperma, Empusa, 73, 91. 
Entomophthora, 91. 
spinosus, Podisus, 73, 75, 17. 
squamosa, Geoica, 39. 
Stem-borer, (lover. See Clover Stem-borer. 
Sugar-beet, Clover-root Mealy Bug reported 
from, 118. 
.Sulphur, effect of, on germination of seed-corn 
tested, 10. 
special test on reaction of Corn-Field .\nt 
to, 22, 23. 
Sweat bees in clover fields, 75. See Syr- 
phidse. 
Sweet Clover, Wild, as food plant of Clover 
Stem-borer, 107. 
Pea as food plant of Pea- or Clover- louse, 
67. 
.syrphi, Paehyneuron, 73, 76, 80. 
Syrphid larva, enemies of, 11. 
Syrphidae, appearance and habits of, 75. 
as enemies of Pea- or Clover-louse, 73, 75- 
n. 
enemies of, 80. 
Syrphus americanus, adult and larva of, char- 
acterized, 76. 
as enemy of Pea- or Clover- louse, 73, Id. 
ribesii as enemy of Pea- or Clover-louse, 
73, 1(>. 
parasite of, 76. 
T 
Tar-, or coal-tar, water, effect of, on germi- 
nation of seed-corn tested, 5, 6, 11. 
Telenomus podisi as parasite of eggs of pen- 
tatomids, 77. 
Telephorid larva as enemy of Clover Root- 
borer, 95. 
Telephorus bilineatus, 95. 
Tetrastichus bruchophagi, 58. 
probably a parasite of Clover Seed-chal- 
cid, 59-60. 
carinatus as parasite of larva of Clover 
Seed-midge, 50. 
spp. as parasites of larva and pupa of Clo- 
ver Seed-midge, 50. 
Thaxter, Roland, 73, 91. 
Thistle as food plant of Clover Stem-borer, 
107. 
tibialis, Phanerotoma, 65. 
Sigalphus, 65. 
Sitones, 116. 
Timothy as food plant of Clover Leaf-weevil, 
83. 
of Clover Seed-weevil, 42. 
of Clover Stem-borer, 107. 
hay and Clover Hay-worm, 96. 
Titus, E. S. C, 53, 54. 
Tobacco-water, effect of, on germination of 
seed-corn tested, 11. 
