XX 11 HOST INDEX. 



Boxwood or Box Tree (Buxus spp. ). Page 



Cottony cushion or fluted scale, Icerya purchasi 110 



Cottony maple or vine scale, Pulvinaria vitis 135 



Ivy or oleander scale, Aspidiotus hederce 176 



Oyster-shell scale, Lepidosaphes ulmi 190 



Red scale, Chrysomphalus aurantu 183 



Brassica — see Cabbage, Kohl-rabi, Mustard, Rape, Rutabaga, Turnip, etc. 



Bread-fruit {Artoearpus sp.). 



Red scale, Chrysomphalus aurautii 1S3 



BromcUa — see Pinguin. 



Bromus — see Brome Grass, Cheat, Upright Chess and Rescus Grass. 



Broccoli — see Cabbage. 



Broom (Cytisus sp.). 



Oyster-shell scale, Lepidosaphes ulmi 190 



Broom, Butcher's (Ruseus spp.) 



Ivy or oleander scale, Aspidiotus hederce 17*5 



Laurel scale, Aspidiotus britannicus 174 



Broom, Chappara! {Baccharis piluluris). 



Greedy scale, Aspidiotus camellia: 175 



Brussel's Sprouts — see Cabbage. 



Buck Brush (Ceanothus cuneatus) . 



Greedy scale, Aspidiotus camellke 175 



Buckeye, California {JEsculus calif 'amicus) . 



Apple leaf-hopper, Empoasca mali 63 



Baker's mealy bug, Pseudococcus bakeri 126 



California buckeye scale, Aspidiotus wsculi 173 



Cottony maple or vine scale, Pulvinaria vitis 135 



Iris white fly, Aleyrodes spirwoides 196 



Oak twig-girdler, Agrilus politus 234 



Omnivorous looper, Sabulodc* caberata 419 



Oyster-shell scale, Lepidosaphes ulmi 190 



Spotted tree-borer, Synaphceta guexi 253 



Two-striped leaf-beetle, Luperodes bivittatus 277 



Buckthorn (Rhamnus spp.). 



Apple leaf-hopper, Empoasca mali 63 



Black scale, Saissetia olew 154 



Ivy or oleander scale, Aspidiotus hederw 170 



Melon aphis, Aphis yossypii 90 



Oyster-shell scale, Lepidosaphes ulmi 190 



Pernicious or San Jose scale, Aspidiotus perniciosus 179 



Scurfy scale, Chionaspis furfura 158 



Buckwheat (Fagopyrum esculentum) . 



Apple leaf-hopper, Empoasca mali 03 



Red spider, Bryobia pratensis 14 



White lined sphinx, Celerio lineata 384 



Bulrush (Rcirpus sp.). 



Twelve-spotted cucumber beetle, Diabrotica 12-punctata 272 



Burdock (Arctium lappa). 



Grape leaf-hopper, Erythroneura comes 05 



Oat aphis, Aphis avenw S7 



Oblique-banded leaf-roller, Archips rosaccana 441 



Bur- Marigold (Bidens spp.). 



Bean thrips, Hcliothrips fasciatus 52 



Red scale, Chrysomphalus aurantii 183 



Burgmansia (Biirgmansia sp.). 



Striped datura beetle, Lema nigrovittata 277 



Bursa Binsa-pastoris — see Shepherd's Purse. 



