II 
B 
Bacillus rufans, appearance of larvae in¬ 
fested by, 150. 
description, 151. 
mode of growth, 151. 
parasite of Southern Corn Boot 
Worm, 150. 
Bacterial disease of Corn roots,52. 
of White Grubs, 127. 
parasite of Southern Corn Root Worm, 
150. 
Badgers as enemies of White Grubs, 124. 
balia, Lachnosterna.140,143. 
Banded Ips,8,21,23-28. 
description, 26. 
feeding habits,24,25. 
life history, 25. 
Barley as breeding place of Chinch Bug, 
VIII. 
liable to injury by White Grubs, 114. 
by Wireworms,30. 
Barred Owl as enemy of White Grubs, 123. 
Basswood leaves as food of May Beetles, 114. 
Bean plant infested by adult Northern Corn 
Root Worm, 158. 
Beans as food of adult Southern Corn Root 
Worm, 149. 
of Pale-striped Flea-beetle,22. 
Bears as enemies of White Grubs,124. 
Beetle, Green June, 54,144. See under Green 
June Beetle. 
Small-striped Squash,156. 
Beetles, Click,30,39. 
Ground,74. 
injuries by, 8,12-15. 
June, 110. See under White Grubs. 
Long-horned,146. 
May, 110. See under White Grubs, 
popular description, 12. 
predaceous, 152. 
Beets as food of Pale-striped Beetle, 22. 
of White Grubs, 109,114. 
of Wireworms,30. 
bifoveolatum. Ophion,125. 
bipartita, Lachnosterna, 139,142. 
Birch leaves as food of May Beetles, 114,115. 
Birds,158. 
as enemies of Myrmicascabrinodislobi- 
cornis, 11. 
of White Grubs, 123. 
of Wire worms, 47. 
Bisulphide of carbon for Wireworms,50. 
Black Flea-beetle, VII. 
-headed Grass Maggot, 7,8,16,19. 
description,20. 
food habits, 19. 
mining flower bulbs, 19. 
Locust leaves as food of May Beetles, 114. 
Walnut leaves as food of May Beetles! 114. 
Blackberries injured by adult Banded Ips, 24. 
Blackberry leaves as food of Pale-striped 
Flea-beetle, 22. 
Blackbird, Crow, as enemy of White Grubs 
123,124. 
blanda, Systena, 23. 
Bluebird as enemy of White Grubs, 123. 
Blue-grass infested by Forda occidentalis, 
96. 
by Geoica squamosa,99,100. 
by Grass Root Louse,87,88,89. 
by Trama erigeronensis,93. 
leaves eaten by Lachnosterna beetles, 
115. 
root lice colonized upon, by Ants,89. 
Jay as enemy of White Grubs,123. 
Boardman, E. R., 19,157,159. 
Botrytis tenella, 136. 
infesting European White Grubs, 127, 
133. 
spores of, used for infection of White 
Grubs, 133,134,135. 
Box Elder leaves as food of May Beetles,114. 
Brassica nigra, infested by Corn Root 
Aphis, 61. 
brevicornis, Tychea,53,57,97,101. 
brevipes, Polymoechus,133. 
Broad-winged Hawk as enemy of White 
Grubs,123. 
Broom-corn,162. 
favorable to development of Northern 
Corn Root Worm, 156. 
infested by Corn Root Aphis,60,69. — 
Brown Thrush as enemy of White Grubs, 
123,124. 
Buckman, Benjamin, 19,24. 
Buckton.G. B.,56,10], 
Buckwheat to clear earth of Wireworms,50. 
Buprestidae,31. 
Burrill, T. J.,52,151,158. 
bursa-pastoris, Capselia, 96. 
Butternut, 129. 
leaves as food of May Beetles, 114. 
C 
Cabbage as food of adult Southern Corn 
Root Worm, 148. 
injured by Banded* Ips,25. 
by Wireworms,30. 
camurellus, Crambus,XI. 
canadense, Erigeron, 61. 
Solanum,148. 
Capselia bursa-pastoris infestedlby Forda 
occidentalis, 96. 
Carabid larvae as food of Lasius niger,84. 
Cardiophorus,8,28,29,31,32,34,54. 
Carnations injured by Wireworms,30. 
carnosa, Endeis, 101. 
Carrots injured by Wireworms,30. 
carym, Halesidota, X. 
Catbird as enemy of White Grubs, 123,124. 
adult Southern Corn Root! Worm eaten 
by, 152. 
Caterpillars as food of Lasius niger,84. 
Forest, defoliating Oakland Hickory, X. 
