^^437 



Baccha fascipcnnis, 186-. 

 Bag worm, 105'', i23"-28*. 

 Balm of Ciilead. resistance to insect attack, 

 47". 

 insects injurious to: 

 oyster scale, 173"', 211^. 

 willow borer, mottled. loi^, 103''. 

 Balsam, lart^jc black carpenter ant injuring, 



9o''. 

 Banded ash borer, 257-, 279'-8o''. 

 Bandetl hickory borer, 256", 267'-68^. 

 barbita. Magdalis, sec Magdalis barbita. 

 Bark beetle, 7-'. 



spruce, birds feeding on, aS'''. 

 Bark borers. 6", 1 1**, 35", 256^-57". 

 Basket worm, i23"-28''. 

 Basswood, apple wood stainer injuring, 



290". 

 Bathythrix metcori, 140^. 



pimplae, 140^. 

 Battle of the weak, 241 '-52". 

 Bee family. 10'. 

 Beech, insects injurious to; 

 borers : 



apple wood stainer, 257", 289^. 

 brenthian, northern, 263*. 

 chestnut borer, two-lined, 281^. 

 flat-headed borer, common. 87". 

 leopard moth. 78^. 

 pigeon tremex, 63". 

 red horned borer, small, 299^. 

 Xyloterus politus, 257", 292'. 

 leaf feeders : 



black walnut caterpillar, 305*. 

 forest tent caterpillar. 107^ 

 locust leaf miner, 327". 

 scale insects : 



Putnam's scale, 222*. 

 Benzoin, black-banded scale injuring. 201'. 

 Betula papyrifera. Chionaspis lintneri injur- 

 ing, 227''. 

 bidentata, Tomoxia, 261*. 



bifidus, Telenoinus, 145'. 

 bigeminatus, lly|)eraspis, 198". 

 bilineatus, Agrihis, 257^, 28o"-83^. 

 bipunctata, Adalia, 174", 195", 206'. 

 Birch, insects injurious to: 

 borers : 



bronze birch borer, 237'', 284*. 

 leopard moth, 78''. 

 I'ityophthorus j/>., 257", 296^ 

 red horned borer, 257". 



small, 298'''. 

 willo.v borer, mottled, 103^. 

 Xyloterus, 257^. 

 politus, 292*. 

 gall insect : 



Hamamelistes spinosus, 246'*-47*. 

 leaf feeilers: 



birch leaf skeletonizer, 258". 315*. 

 elm caterpillar, spiny, 161'*. 

 forest tent catjrpillar. 107'', no"*, 

 locust leaf miner. i2j''. 

 tussock moth, white marked, 136'. 

 Eirch. white, insects injurious to: 

 Putnam's scale, 227^. 

 Xyloterus sp., 293". 

 Birch, yellow, Xyloterus sp. injurmg, 294*, 



294". 

 Birch leaf skeletonizer, 258", 3I5'*-I7''. 

 Birds, relative value of certain families, 

 29*-32'' ; feeding on gipsy moths, 27^, 

 122*; feeding on forest tent caterpillars, 

 III-, 1 11^; feeding on hairy caterpillars, 

 137^; how to increase number, i^-; insect 

 enemies, 25^-34^; probable results if in- 

 sect depredations were not checked by, 

 32'^; results of increasing efficiency of, 

 32^; value in keeping other pests under 

 control, in"; voracity, 25*-26''. 

 bivittata. Xeoglaphyroptera, 140". 

 bivulnerus, Chilocorus. r86', 195^. 198', 



208'. 216^. 22T,\ 231'. 

 Black-banded scale. I7.v\ 200-'-3". 



