liv HOST INDEX. 



Oak — (Continued). Page 



Flat-headed apple-tree borer, Ohrysobothris femorata . 236 



Forest tent-caterpillar. Malacosoma disstria 412 



Fuller's rose beetle, Pantomorus fullcri 298 



Gall-like Kermes, Kermes galliformis 117 



Lesser shot-hole borer, Xyleborus xylographus 314 



Muck or carrot beetle, Ligyrus gibbosus 246 



Oak Cerococcus, Cerococcus qitercus 114 



Oak Eriococcus, Eriococcus quercus 122 



Oak Lecanium, Lecanium quercitronis 150,151 



Oblique-banded leaf-roller, Archips rosaceana '. 441 



Orange Tortrix, Tortrix citrana 442 



Oyster-shell scale, Lepidosaphes ulmi 190 



Pit-making oak scale, Asterolecanium variolosum 113 



Purple scale, Lepidosaphes beckii 1S6 



Putnam's scale, Aspidiotus ancylus 174 



Red scale, Chrysomphalus aurantii 183 



Rose snout-beetle, Rhynchites bicolor 317 



Sasscer's Kermes, Kermes sassceri 118 



Syneta simplex 283 



Western Kermes, Kcrmes occidentalis 117 



Xylopertha declive 239 



Yellow-necked apple caterpillar, Datana ministra 406 



Oak, Black (Quercus kelloggii). 



California oak moth, Phryganidia californica 405 



Cockerell's Kermes, Kermes cockerelli 115 



Gall-like Kermes, Kermes galliformis 117 



Manzanita Serica, Serica anthraciua 250 



Malacosoma const ricta 411 



Nautical borer, Xylotrechus nauticus 255 



Oak Eriococcus, Eriococcus quercus 122 



Oak, Bur (Quercus macrocarpa) . 



California buckeye scale, Aspidiotus cesculi 173 



Oak, Coast Live (Quercus agrifolia) . 



Apricot leaf-weevil, Paraptochus sellatus 299 



Black-punctured Kermes. Kermes nigropunctatus 117 



Branch and twig-borer, Polycaon confertus 239 



California oak moth, Phryganidia californica 405 



California tent-caterpillar. Malocosoma californica 411 



Essig's Kermes, Kermes essigii 116 



Nautical borer, Xylotrechus nauticus 255 



Oak Cerococcus, Cerococcus quercus 114 



Oak scale, Chionaspis quercus 163 



Oak twig-girdler, Agrilus politus 234 



Polycaon stoutii 238 



Small gray leaf-weevil, Thricolcpis inornata 301 



Tricolored Xylopertha, Xylopertha suturale 240 



Oak, Cork (Quercus suber). 



California oak moth, Phryganidia californica 405 



Oak, Holly (Quercus ilex). 



Cottony cushion or fluted scale, Icerya purchasi 110 



Ivy or oleander scale, Aspidiotus hederw 177 



Pit-making oak scale, Asterolecanium variolosum 113 



Oak, Laurel (Quercus laurifolia) . 



Cottony cushion or fluted scale, Icerya purchasi 110 



Oak, Maul (Quercus chrysolepis) . 



Branch and twi.-borer, Polycaon confertus : 239 



Branigan's Kermes, Kermes branigani 114 



California oak moth, Phryganidia californica 405 



