HOST INDEX. lxxl 



Rose — (Continued). Page 



Soft brown scale, Coccus hespcridum 143 



Two-spotted mite, Tetrany chits telarius 10 



Walnut scale, Aspidiotus juglans-regice 174 



Western 12-spotted cucumber beetle, Diabrotica soror 271 



Rose Rock (Helianthemum chamcecistus) . 



Oyster-shell scale, Lepidosaphes ulmi 190 



Rose, Wild (Rosa sp.). 



Great basin tent-caterpillar, Malacosoma fragilis 411 



Rosin Weed (Silphium laciniatum). 



Red composite aphis, Macrosiphum rudbcckiw 107 



Rowan Tree — see European Mountain Ash. 



Rubber, India (Ficus elastica). 



Black scale, Saissetia olece 154 



European Fiorinia, Fioriniu fiorinice 172 



Florida red scale, Ghrysomphalus aonidum 182 



Soft brown scale. Coccus hesperidum 143 



Yellow scale, Chrysumphalus citriuus 1S5 



Rubin peregrina — see Madder. 



Rubus — see Blackberry, Dewberry, Loganberry, Raspberry. 



Rudbeekia — see Cone-flower. 



Runtcx — see Dock, Canaigre, Sorrel. 



Ruscus — see Butcher's broom. 



Russian Thistle (Salsola kali tragus). 



Beet leaf-hopper, Eutcttix tenella 64 



Sugar-beet leaf-beetle, Monoxia puncticollis 279 



Yellow bear caterpillar, Diacrisia virginica 390 



Rutabaga (Brassica campestris) — also see Cabbage and Mustard. 



Cabbage aphis, Aphis brassica 89 



Western radish maggot, Phorbia planipalpis 338 



Rye (Secale cereal c) . 



Oat aphis, Aphis avsnee S7 



Tarnished plant-bug, Lygus pratensis 212 



Twelve-spotted cucumber beetle, Diabrotica 12-punctata 272 



Western grass-stem sawfly, Cephus occidentalis 352 



Rye, Wild (Eh/mus spp.). 



Oat aphis, Aphis arena" S7 



Hessian fly, Phytophaga destructor 322 



Rye, California Wild (Elyinus condensaius) . 



Oat aphis. Aphis arena* 87 



Smith's Ripersia, Ripersia sinithii 132 



Western grass-stem sawfly, Cephus occidentalis 352 



tiabal — see Palmetto. 



Sage ( 8 a Iv ia spp . ) . 



Greedy scale, Aspidiotus camellia! : 175 



Greenhouse Orthezia, Orthezia insignis 112 



Greenhouse white fly, Asterochilon vaporariorum 198 



Two-spotted mite, Tetranychus telarius 16 



Sage, Black (Ramona stachyoides) . 



Diplacus Ceroputo, Ccroputo yucca: 12-"i 



Sage, California (Artemisia californica) 



Black scale, Saissetia olew 154 



Clover-apple aphis, Aphis bakeri SS 



Diplacus Ceroputo, Ceroputo yuccas 125 



Orthezia artcmisiw 111 



Wheat thrips, Frankliniella tritici 51 



White bud-weevil, Eupagoderes mortivallis 297 



White sage mealy bug, Pseudococeus crntvii 130 



