HOST INDEX. Ixi 



Pear — ( Continued ) . Page 



Citrus white fly, Dialeurodes citri 19G 



Clover-apple aphis. Aphis bakeri 88 



Codlin-moth, Gydia pomonella 437 



Colaspidea varicolor 275 



Common termite, Tonics lucifugus 2!) 



Corn ear-worm, Chloridca obsolete/ — 397 



Cottony cushion or fluted scale, Icerya purchasi 110 



Cottony maple or vine scale, Pulvinaria vitis 136 



Devastating grasshopper, Melanoplus devastator 45 



European fruit Lecanium, Lecanium convi 146 



European fruit-tree scale, Asp id lot us ostreceformis 17!) 



European or Italian pear scale, Epidiaspis piricola 172 



European peach scale, Lecanium persicce 141) 



Flat-headed apple-tree borer, Ghrysobothris femorata 236 



Florida wax scale. Ghrysomphalus floridensis 138 



Forest tent-caterpillar, Malacosoma disstria 412 



Fruit-tree leaf roller, Archvps argyrospila 439 



Frosted scale. Leva >i turn pruinosum 151 



Fuller's rose beetle, Pantomorus fulleri 298 



Cray leaf-beetle, Glyptoscelis longior 27<i 



Greedy scale, Aspidiotus camellia 175 



Creen apple aphis, Aphis pomi !I4 



Hairy Phobetus, Phobetus comtitus 247 



Lesser shot-hole borer, Xyleborus xylographus 314 



Melon aphis. Aphis gossypii 90 



Oat aphis. Aphis avsnw 87 



Oblique-banded leaf-roller. Archips rosaceana 441 



Oyster-shell scale, Lepidosaphes uhni 190 



Pale-striped flea-beetle, Systena blanda 2S6 



Pear-leaf blister-mite, Eriophycs pyri 08 



Pear-leaf rust mite, Epitrimerus pyri 12 



Pear Psylla, Psylla pyricola tiT 



Pear or cherry slug', UaUroa eerasi 357 



Pear thrips, Tceniothrips pyri 57 



Pernicious or San Jose scale. Aspidiotus perniciosus 180 



Putnam's scale, Aspidiotus ancylus 174 



Red-humped caterpillar. Schisura concinna 407 



Red scale. Ghrysomphalus aurantU 184 



Pose scale, Aulacaspis rosee 170 



Rose leaf-hopper, Empoa rosn: 62 



Scurfy scale, Ghionaspis furfura 158 



Shot-hole borer or fruit-tree bark-beetle, Eccoptogaster rugulosus—l 311 



Soft brown scale, Coccus hesperidum 143 



Spring cankerworm. Paleacrita vernata 417 



Tarnished plant-bug-, Lygus pratensis 212 



Two-spotted n\ite, Tetranychus telarius 16 



Variegated cutworm. Lycophotia margaritosa 401 



Walnut scale. Aspidiotus juglans-regiw 178 



Western twig-borer, Apate punctipennis 238 



White-lined scarabseid, Polyphylla criitita 248 



White-lined sphinx, Gelerio Uneata 384 



Woolly apple aphis, Eriosoma lanigera NO 



Yellow-necked apple caterpillar, Datana ministra 406 



Pear, Sand (Pyrus sinensis). 



Pernicious or San Jose scale, Aspidiotus perniciosus . 180 



