HOST INDEX. XI 



Buckthorn {Rhamiis s\).) . P^^^- 



Apple leaf-hopper, Einpousca iiiali ^ 



Black scale, Saissetia olew |^J^ 



Ivy scale, Aspidiotus hederce " 



Oyster shell scale, Lepidosaphes vlmi ^^"f 



Pear slug, Caliroa cerasi 



Buckwheat {Fagopiirum esculentum) . 



Apple leaf-hopper, Empoasca mali ^^ 



Clover mite, Brijohia prateiisis * 



Bur Marigold, see Bidens. 



Burning Bush, see Euonynius. 



Butcher's Broom (Ruscus aculeatus). 



Ivy scale, Aspidiotus hederce -^"^ 



Buttercup (Ranunculus calif ornicus) . ^ 



Woolly buttercup louse. Pemphigus californicus ^^ 



Butternut (Juc/huis ciucrea). 



Oyster shell scale, Lepidosaphes ulmi ^•^'^ 



Button-bush (Cephalanthus sp.). 



Pear slug, Caliroa cerasi -^ 



Cabbage {Brassica olcracea). 



Alfalfa looper, Autographa gamma californica io- 



Cabbage louse, Aphis brassicw --^ ,_^^X 



Cabbage maggot. Phorbia brassicw -'^", ^o( 



Cabbage worm, Pontia rapw V^ 



False chiuch bug, Nijsius angustafiis 15|| 



Green peach aphid, Myzus persicw '^ 



Harlequin cabbage bug, Murgantia hisfrionica 14b 



Hop flea beetle, Psylliodes punctulata^- ^^1 



Twelve-spotted cucumber beetle, Diabrotica soror --o 



Western army worm, Chorizagrotis agresfis 16^ 



Cajanus sp. -.-.q 



Black scale, Haissetia olew ^^^ 



Cajaput Tree (Melaleuca sp.). 



Black scale, Saissetia olew H'^ 



Calla (Zantedcschia a^thiopica). 



Six-spotted mite. Tetranijchus bimaculatus o 



Callacarpa lanata. ^^-■ 



White peach scale, Aulacaspis pentagona J^— J 



Calotropis procera. -,,,^ 



White peach scale, Aulacaspis pentagona -L— ^ 



Camellia sps. oo 



Black citrus louse, Toj;optcru aurantiw ** 



Black scale, Saissetia olew 11^ 



Florida red scale. Chrysomphalus aonidum l-J^ 



Fuller's rose beetle, Aramigus fulleri 240 



Greedy scale. Aspidiotus camelliw ^^^ 



Hemispherical scale. Saissetia hemispharica 11^ 



Ivy scale, Aspidiotus hederw 1^^ 



.lapanese wax scale, Ceroplastes ceriferus 111 



Soft brown scale. Coccus hesperidum 114 



Camphor (Camphoru officinalis). 



Florida red scale, Chrijsomphalus aonidum 1^- 



Greedy scale. Aspidiotus camelliw 12< 



Red scale. Chrysomphalus aurantii 1^3 



Canna sp. ,-,<() 



Fuller's rose beetle, Aramigus fulleri -*^ 



Pineapple scale, Diaspis bromeliw 1—"* 



Cantaloupe (Cuenmis sp. ). 



Cantaloupe fly. Euxesta notata -'^ 



Striped cucumber beetle, Diabrotica vittata 230 



Caraway (Carum carui) . 



Celery caterpillar. Papilio polyxenes 1^^ 



Carob Tree (Ceratonia sp.) 



Ivy scale. Aspidiotus hederw 1-^ 



