lxxviii HOST INDEX. 



Tulip-tree (Liriodendron tuUpifera). 



Ivy or oleander scale. Aspidiotus hederce (not listed). Page 



Oyster-shell scale, Lepidosaphes ulmi 190 



Willow scale, Chionaspis ealicis-nigrw 163 



Turnip (Brassica rapa) — also see Cabbage, Mustard, Radish. 



Bean thrips, Heliothrips fasciatus 52 



False chinch bug, Nysius ericw 207 



Green peach aphis, Rhopalosiphum persicw 98 



Hop flea-beetle, Psylliodes punctulata 280 



Imported cabbage worm, Pontia rupee 457 



Pale-striped flea-beetle, tiystena blanda 286 



Potato flea-beetle, Epitrix cucumeris 261 



Seed-corn maggot, Phorbia fusciceps 334 



Striped turnip flea-beetle, Phyllotreta vittata 283 



Western cabbage flea-beetle, Phyllotreta pusilla 281 



Western flea-beetle, Hemiglyptus basalis 260 



Western radish maggot, Phorbia planipalpis 338 



Western striped flea-beetle, Phyllotreta ramosa 282 



White-lined sphinx, Celerio lineata 3S4 



Yellow bear caterpillar, Diacrisia virginica 390 



Twin Berry, Black (Lonicera involucraia) — also see Honeysuckle. 



Iris white fly. Alcyrodcs spirceoides 196 



Typha — see Cat-tail. 



Ulmus — see Elm. 



UmbelUfera — see Parsley. 



Umbellularia californica — see California Laurel. 



Umbrella Tree {Melia azedarach) . 



Citrus thrips, Scirtothrips citri 55 



Citrus white fly, Dialeurodes citri 196 



Greedy scale, Aspidiotus camelliw 175 



Ivy or oleander scale, Aspidiotus hederce 177 



Umbrella Plant (Cyperus alternifolius) — also see Saxifrage. 



Citrus mealy bug, Pseudoeoccus citri 128 



Ivy or oleander scale, Aspidiotus hederw 177 



Long-tailed mealy bug, Pseudoeoccus longispinus 131 



Twelve-spotted cucumber beetle, Diabrotica 12-punctata 272 



T'rtica — see Nettle. 



Vaccinium — see Billberry, Cranberry and Huckleberry. 



Vallota (Vallota sp.). 



Narcissus bulb-fly, Merodon equestris 326 



Verbascum virgatum — see Mullein. 



Verbena (Verbena spp.). 



Cottony cushion or fluted scale, Icerya purchasi 110 



Greenhouse Orlhczia. Orthcr.ia insignis 112 



Greenhouse thrips, Heliothrips hccmorrhoidalis 54 



Oblique-banded leaf-roller, Archips rosaccana 441 



Two-spotted mite. Tetranyehus telarius 17 



Verbena, Lemon (Lippia eitriodora). 



Omnivorous looper, 8abuIodcs caberata 419 



Vernonia — see Iron-weed. 



Vetch {Vicia sativa). 



Alfalfa caterpillar, Eurymus eurytheme 459 



Destructive pea aphis, Macrosiphum pisi 104 



Viburnum (Viburnum spp.) — also see Arrow-wood, Laurestinus and Snow- 

 ball. 



Cottony maple or vine scale, Pulriuariu viiis 136 



Greenhouse thrips, Heliothrips hwmorrhoidalis 54 



Oyster-shell scale, Lepidosaphes ulmi 190 



Potato flea-beetle, Epitrix cucumeris 261 



T icia — see Vetch. 



