HOST INDEX. Xliii 



Hop (Humulus hipulus). Page 



Hop aphis, Phorodon hamuli 102 



Hop flea-beetle, PsylUodes punctulata 280 



Melon aphis, Aphis gossypii 90 



Potato flea-beetle, Epitrix cucttmeris 261 



Two-spotted mite, Tetranychus telarius 16 



Hop-tree (Ptelea spp.). 



Oyster-shell scale. Lepidosaphes ulmi 190 



Pernicious or San Jose scale, Aspidiotus perniciosus 179 



Purple scale, Lepidosaphes beckii : 186 



Two-spotted mite, Tetranychus telarius 16 



Hordeum sativum — see Barley. 



Horena (Horena dulcis). 



Oyster-shell scale, Lepidosaphes ulmi 190 



Horse-chestnut (JEsculus hippocastanum) . 



European fruit-tree scale, Aspidiotus ostrewformis 179 



Flat-headed apple-tree borer, Chrysobothris femorata 236 



Oblique-banded leaf-roller, Archips rosaceana 441 



Oyster-shell scale, Lepidosaphes ulmi 190 



Pernicious or San Jose scale, Aspidiotus perniciosus 180 



Potato flea-beetle, Epitrix cueumeris 261 



Scurfy scale. Chionaspis furfuro-^ 158 



Two-spotted mite, Tetranychus telarius 16 



Horse Nettle (Solonum caroliiu use) . 



Potato flea-beetle, Epitrix cueumeris 261 



Potato stalk borer, Trichobaris trinotata 305 



Potato tuber moth, Phthorimcea operculella 448 



Spotted root fly, Euxesta notata 340 



Tobacco flea-beetle. Epitrix parvula 262 



Horse Radish (Radicula armoracia) . 



Harlequin cabbage bug, Murgantia histrionica 201 



Imported cabbage worm, Pontia rapce , 457 



Oblique-banded leaf-roller, Archips argyrospila 441 



Western armyworm, Euxoa agrestis 398 



Hound's-tongue (Cyanoglossum sp.). 



Green peach aphis, Rhopalosiphum persicw 98 



Howea belmoreana — see Curly Palm. 



Huckleberry, California (Vaccinium ovatum). 



Red-humped caterpillar, Schizura coiwinna 407 



Huckleberry, English (Gaylussacia sp.). 



Pernicious or San Jose scale, Aspidiotus perniciosus 180 



Hamulus lupulus — see Hop. 



Hyacinth {Hyacinthus sp.). 



Narcissus bulb-fly, Merodon equestris 326 



Yellow bear caterpillar, Diacrisia virginica 390 



Hydrangea (Hydrangea sp.). 



Melon aphis, Aphis gossypii 90 



Hyoscyamus niger — see Henbane. 



Hypereium — see St. John's Wort. 



Hyssop (Hyssopus sp.). 



Black araucaria scale, Chrysomphalus rossi 185 



Ilex — see Holly and Gall-berry. 



Indigo, False (Amorpha sp.). 



Oyster-shell scale, Lepidosaphes ulmi 190 



Inkberry — see Gall-berry. 



Iris (Iris sp.). 



Iris white fly. Aleyrodes spirmoides 196 



