HOST INDEX. liii 



Myrtle, Crape (Lagerstrcemia indica). Page 



Citrus white fly, Dialeurodea citri 196 



M yrt us — see Myrtle. 



Narcissus (Narcissus sp.) — also see Daffodil. 



Narcissus bulb-fly. Merodon equestris 326 



Nasturtium (Nasturtium spp.). 



Aphis viburni !>4 



Bean thrips. Heliothrips faseiatus 52 



Imported cabbage worm. Pontia rapes 456,457 



Serpentine leaf-miner, Agromyza pusilla 34G 



Nectarine — see Peach. 



Negundo aceroides — see Box-elder. 



Nepeta cataria — see Catnip. 



Nephrodium (Nephrodium sp.). 



Long-tailed mealy bug, Pseudococcus longispinus 131 



Nerium oleander — see Oleander. 



Nettle ( Urtica urens | . 



Citrus mealy bug. Pseudococcus citri 128 



Cottony cushion or fluted scale. Icerya purchasi 110 



Green peach aphis. Rhopalosiphum persicw 98 



Hop flea-beetle. Psylliodes punctulata 280 



Sugar-beet wireworm, Linionius californicus 233 



Thistle butterfly, Vanessa cardui 402 



Nettle, Hedge (Stachys sp.). 



Serpentkie leaf-miner, Agromyza pusilla 34G 



Nettle, Hemp (Galcopsis sp.). 



Serpentine leaf-miner, Agromyza pusilla 34G 



Net tie- tree — see Hackberry. 



-Y icot ia ii a — see Tobacco. 



Nightshade* (Solanum spp.). 



Baker's mealy bug, Pseudococcus bakeri 126 



Black scale, Saissetia olem 154 



Citrus mealy.bug, Pseudococcus citri 128 



Cottony cushion or fluted scale, Icerya purchasi 110 



Gray citrus scale, Coccus citricola 142 



Greedy scale. Aspidiotus camellia 175 



Green tortoise beetle, Gassida pallidula 258 



Iris white fly, Aleyrodes spira?oides 196 



Ivy or oleander scale, Aspidiotus hederce 177 



Pale-striped flea-beetle. System hlanda 280 



Potato flea-beetle, Epitriw cucumeris 201 



Potato tuber moth, Phthorinuca operculella 44S 



Red scale, Chrysomphalus aurantii 183 



Solanum root plant louse. Trifidaphis radicicola 77 



Nine Bark (Physocarpus sp.). 



Iris white fly. Aleyrodes spirmoides 196 



Nutmeg, California (Torreya calif ornica) . 



Pine-leaf scale. Ghionaspis pinifoliw 161 



Nyssa sylvatica — see Sour Gum. 



Oak (Quercus spp.). 



Adaleres, Adaleres ovipennis 296 



Apple leaf-hopper, Empoasca mali <;.", 



Brown elm scale, Lecanium canadense 144 



California oak moth, Phryganidia californica . 405 



California Prionus, Prionus californicus 252 



California tussock moth, Hemerocampa vetusta 409 



Cottony maple or vine scale, Pulvinaria vitis 136 



Ehrhorn's Cerococcus, Cerococcus ehrhorni 113 



European fruit-tree scale, Aspidiotus ortrcaformis 179 



