HOST INDEX. lxv 



Plum, Bullace or Damson (Prunus spinosa damascena) . Page 



Green peach aphis, Rhopalosiphum pcrsicw 9S 



Plum, Java {Primus sp.). 



Fuller's rose beetle, Pantomorus fulleri 29S 



Plum, Sierra (Prunus subcordata) . 



Great Basin tent-caterpillar, Malacosoma fragilis 411 



Plum, Wild (Prunus sp.). 



Black peach aphis. Aphis persicw-niger 92 



Peach tree borer, Mgeria cxitiosa 421 



Walnut scale, Aspidiotus juglans-regiw 17S 



Plumbago — see Leadwort. 



Poa — see Meadow Grass, Canada Blue Grass and Kentucky Blue Grass. 



Podocarpus (Podocarpus sp.). 



European Fiorinia, Fiorinia fioriniee 172 



Red scale, Chrysomphalus aiirantii 184 



Poha (Physalis peruviana) — also see Ground Cherry. 



Tobacco flea-beetle, Epitrix cucumeris 262 



Poinsettia (Euphorbia pulcherrima) . 



Citrus mealy bug, Pseudococcus citri 128 



Cottony cushion or fluted scale, Icerya purchasi 110 



Polygonum — see Wire Grass and Sinartweed. 



Pomaderris (Pomaderris apetala). 



Purple scale, Lepidosaphcs beclcii 186 



Pomegranate (Punicu granatum). 



Black scale, Saissetia olece 154 



Citrus thrips, Scirtothrips citri 55 



Citrus white fly, Dialeurodes citri 196 



Cottony cushion or fluted scale, Icerya purchasi 110 



Florida wax scale, Ceroplastes floridensis 138 



Greedy scale, Aspidiotus camellia; 175 



Ivy or oleander scale, Aspidiotus hederw 177 



Pomelo — see Grapefruit. 



Poplar (Populus spp.). 



Agromyza schineri 347 



Alder flea-beetle, Haltica bimarginata 266 



Bead-like cottonwood gall-louse, Tecabius populimonilis 77 



Black scale, Saissetia olexe 154 



California buckeye scale, Aspidiotus cescuM 173 



California Prionus, Prionus californicus 252 



Cottonwood scale, Chionaspis ortholobis 160 



Cottony maple or vine scale. Pulvinaria ritis 136 



European fruit-tree scale, Aspidiotus ostrewformis 179 



Fruit-tree leaf-roller, Archips argyrospila 439 



Fruit-tree leaf Syneta, Syneta albida 284 



Mottled cottonwood plant louse, Thomasia populicola 81 



Mourning cloak butterfly, Euvanessa antiopa 461 



Oblique-banded leaf-roller, Archips rosaceana 441 



Oyster-shell scale, Lepidosaphcs ulmi 190 



Pernicious or San Jose scale, Aspidiotus perniciosus 180 



Poplar-stem gall-louse, Pemphigus populicaulis 76 



Scurfy scale, Chionaspis furfura 158 



Soft brown scale, Coccus hesperidum 143 



Transverse poplar-stem gall-louse, Pemphigus populitransversus 76 



Two-spotted mite, Tctramjehus telariiis 17 



Willow scale, Chiotiaspis salicis-nigra , 163 



Poppy, California (Esehscholtzia spp.). 



Infernal blister beetle, Lytta stygica 294 



Populus — see Cottonwood, Poplar, Aspen, Balm of Gilead. 



E— 13664 



