HOST INDEX. XXV 



Ceanothus — (Continued.) Page 



Diplacus Ceroputo, Ceroputo yuccw 125 



Great Basin tent-caterpillar, Malacosoma fragilis 411 



Pernicious or San Jose scale, Aspidiotus perniciosus 179 



Willow scale, Chionaspis salicis-nigrw 163 



Cedar, Deodara (Cedrus dcodara). 



Black scale, Saissetia oleoe 154 



Cypress bark-beetle, Phlocosinus cupressi 314 



Cedar, Incense (Libocedrus decurrens) . 



Gray leaf-beetle, Glyptocclis longior 276 



Juniper scale, Diaspis carueli 167 



Cedar of Lebanon, (Cedrus libani) . 



Cottony cushion or fluted scale, Icerya purchasi 110 



Cedrus — see Cedar. 



Celastrus scandcns — see False Bittersweet. 



Celery (Apium graveolens) . 



Apple leaf-hopper, Empoasca mall 63 



Celery and parsley caterpillar, Papilio polyxenes 454 



Green peach aphis, Rhopalosiphum persicw 9S 



Oat aphis, Aphis avenw 87 



Oblique-banded leaf-roller, Archips rosaceana 441 



California parsley caterpillar, Papilio zolicaon 455 



Parsnip plant louse, Siphocoryne caprece 100 



Potato flea-beetle, Epitrix cucumeris 261 



Two-spotted mite, Tctranychus telarius 16 



Western armyworm, Euxoa agrestis 398 



Yellow bear caterpillar, Diacrisia virginica 390 



Celtis — see Hackberry. 



Century plant — see Aloe. 



Ccphalanthus occidentalis — see Buttonbush. 



Ceratouia siliqua — see Carol). 



Cercidiphyllum (Cercidiphyllum japonica) . 



Pernicious or San Jose scale, Aspidiotus perniciosus 179 



Purple "scale, Lepidosaphes ueckii 186 



Cercis — see Red-bud. 



Cereus {Ccreus spp.). 



Cactus scale, Diaspis echinocacti-cacti 168 



Cestrum (Cestrum spp.). 



Black scale, Saissetia olece 154 



Citrus mealy bug, Pseudococcus citri 12S 



Striped datura beetle, Lcma nigrovittata 277 



Chamcecyparis lawsoniana — see Lawson's Cypress. 



Ch3erophyllum (Chwrophyllum temulum) . 



Parsnip plant louse, Siphocoryne caprece 100 



Chamwdaphne calyculata'—see Leather Leaf. 



Chamaedorea (Chamadorea sp.). 



Soft brown scale, Coccus hesperidum 143 



Chamomile (Anthemis sp.). 



Clover-apple aphis, Aphis bakeri 88 



Cheat or Chess (Broiuus secalinus) . 



Oat aphis, Aphis avenw 87 



Chenopodium {Chenopodium sp.) — also see Lambsquarters. 



Bean thrips, Heliothrips fasciatus 52 



Cherry ( Primus cerasus). 



Apple leaf-hopper, Empoasca mali 63 



Black cherry aphis, Myzus cerasi 97 



Box-elder plant-bug, Leptocoris trivittatus 205 



Branch and twig-borer, Polycaon confcrtus 239 



Buffalo tree-hopper, Ceresa bubalus 62 



