Ixvi HOST INDEX. 



Portulaca — see Purslane. 



Potato (Solanum tuberosum) . Page 



Apple leaf-hopper, Empoasca mali • 63 



Army worm, Cirphis nnipuncta 396 



Baker's mealy bug, Pscudococcus bakeri 126 



Beet armyworm, Laphygma favimaculata 4O0 



Black plant-bug, Irbisia brachyccrus 213 



Common _milliped. Juhis hesperus 19 



Cottony cushion or fluted scale, Iceri/a purchasi 110 



Differential grasshopper, Melanoplus differentials 46 



Dooryard sowbug, Porccllio la?vis ; 3 



Drosophila busckii 343 



Eelworm, Heterodera radicicota 494 



False chinch bug, Nysius erica 207 



Glyptina ccrina 263 



Green peach aphis, Rhopalosiphum pcrsicce 98 



Harlequin cabbage bug, Murgantia histrionica 201 



Hop flea-beetle, Psylliodes punctulata 280 



Lesser migratory grasshopper, Melanoplus atlanis 43 



Obscure 12-spotted cucumber beetle, Diabrotica 12-punctata tenella 273 



Pale-winged grasshopper, Melanoplus uniformis 47 



Potato flea-beetle, Epitrix cucumeris 261 



Potato stalk borer, Triehobaris trinotata 305 



Potato tuber moth, Phthorimcea operculella 448 



Sand or Jerusalem cricket, Stenopelmatus irregularis 38 



Seed-corn maggot, Phorbia fusciceps 334 



Serpentine leaf-miner, Agromyza pusilla 346 



Solauum root plant louse, Trifidaphis radicicola 77 



Spotted blister beetle, Epicauta maeulata 292 



Sugar-beet wireworrn, Limonius californicus 233 



Tobacco flea-beetle, Epitrix parvula 262 



Tobacco worm, Protoparce quinquemaculata 3So 



Tomato worm, Protoparce sexta 387 



Valley grasshopper, (Edaleonotus enigma 48 



Variegated cutworm, Lycophotia margaritosa 401 



Western armyworm, Eu.voa agrestis 398 



Western potato flea-beetle, Epitrix subcrinita 264 



Western 12-spotted cucumber beetle, Diabrotica soror 271 



Wireworms 232 



Potato, Sweet (Ipomeca batatas). 



Black-legged tortoise-beetle, Cassida nigripes 257 



Golden tortoise-beetle, Coptocijela bicolor 259 



Potato flea-beetle, Epitrix cucumeris 261 



Seed-corn maggot, Phorbia fusciceps 334 



Yellow bear caterpillar, Diacrisia virginica 390 



Potato Vine [Holanum jasminoides) . 



Baker's mealy bug, Pscudococcus bakeri 126 



Citrus mealy bug, Pscudococcus citri 12S 



Prickly pear — see Opuntia. 



Primrose (Primula spp.). 



Bur clover or cowpea aphis. Aphis medicaginis 90 



Fuller's rose beetle, Pantomorus fullcri ^ 29S 



Greenhouse white fly, Astcrochiton raporariorum 198 



Long-tailed mealy bug, Pseudococcus longispinus 131 



Primrose, Evening (Oenothera spp.). 



Potato flea-beetle, Epitrix cucumeris : 261 



Steel-blue grapevine flea-beetle, Haltica carinata 266 



Strawberry flea-beetle, Haltica ignita 267 



White-lined sphinx, Ccloio liucata 384 



