HOST INDEX. lxiii 



Phytelephas macrocarpa — see Ivory-nut Palm. Page 



Picca — see Spruce. 



Pigweed (Amaranth its spp.). 



Beet armyworm, Laphyyma flavimaculata 400 



Cottony cushion or fluted scale, Ioerya purchasi 110 



Green peach aphis, Rhopalosiphum pcrsicw 98 



Greenhouse Orthezia, Orthezia insignis 112 



Harlequin cabbage bug, Murgantia histrionica 201 



Melon aphis. Aphis gossypii 90 



Onion thrips, Thrips tabaci 56 



Solanuni root plant louse, Trip da phis radicieola 77 



Sugar-beet wireworm, Limonius californicus 233 



Twelve-spotted cucumber beetle, Diabrotica 1,1-punctata 272 



Yellow bear caterpillar, Diacrisia virginica 390 



Pimpinel {Pimpinella sp.). 



Parsnip plant louse, Siphocorync caprar 100 



Pine (Pin us spp.). 



Cottony cushion or fluted scale, Icerya purchasi 110 



Lesser shot-hole borer. Xylcborus xylographies 311 



Monterey pine scale, Physokermea insignieola 155 



Pine-leaf scale, Chionaspis pinifoliw 161 



Pine, Digger {Finns sabiniana) . 



California pine-leaf scale, Aspidiotus californicus 175 



Pine-leaf scale, Chionaspis pinifoliw 161 



Pine, Knob-cone (Pinus tuberculata) . 



California pine-leaf scale, Aspidiotus californicus 175 



Pine, Monterey (Finns radiata) . 



California pine-leaf scale, Aspidiotus californicus 175 



Ivy or oleander scale, Aspidiotus hederw 177 



Monterey pine aphis. Essigella calif ornica 81 



Monterey pine scale. Physokermea insignieola 155 



Pine-leaf scale. Chionaspis pinifoliw 161 



Pine, Norfolk Island (Araucaria exeelsa). 



Araucaria Eriococcus, Eriococcus araucarke 121 



Golden mealy bug, Pseudococcus aurilanatus 125 



Greenhouse thrips, Hcliothrips hwmorrhoidalis 54 



Pine, Red or Norway (Finns resinosa). 



Pine-leaf scale, Chionaspis pinifoliw 161 



Pine, Screw (Pandanus sp.). 



Thread scale, Isehnaspis lonyirostris 191 



Pine, Yellow (Pinus ponderosa) . 



California pine-leaf scale, Aspidiotus californicus 175 



Monterey pine aphis, Essigella californica SI 



Pine-leaf scale, Chionaspis pinifoliw 161 



Pineapple (Ananas sativus) . 



Pineapple scale, Diaspis bromcliw 166 



Pinguin (Brouiclia piuguin). 



Pineapple scale, Diaspis bromcliw 166 



Pink (Dianthus spp.) — also see Carnation. 



Greenhouse white fly, Heliothrips hwmorrhoidalis .">4 



Two-spotted mite, Tetranychus telarius 54 



Finns — see Pine. 



Pistacia (Pistacia vera). 



Red scale, Chrysomphalus uurantii 184 



Fisuni — see Pea. 



Pittosporum [Pittosporum spp.). 



Cottony cushion or fluted scale, Icerya purchasi 110 



Greedy scale, Aspidiotus camellia 175 



Green apple aphis. Aphis pomi (not listed). 



