HOST INDEX. XXXIX 



Grapefruit — (Continued). Page 



Hemispherical scale, Saissetiu hcmisphwrica 151 



Ivy or oleander scale, Aspidiotus hederce 177 



Long-tailed mealy bug-, Pseudococcus longispinus 131 



Melon aphis, Aphis gossypii 90 



Purple scale, Lepidosaphes beckii 186 



Red scale, Chrysomphalus auraniii 183 



Soft brown scale. Coccus hcspcriduin 143 



Two-spotted mite, Tetranychus telarius 10 



Yellow scale, Chrysomphalus citrinus 185 



Grass (Graminew) . 



Alfalfa crane fly, Tipula simplex 319 



Apple leaf-hopper, Empoasca wall 63 



Armyworm, Chirphis unipuncta 396 



Beet armyworm, Laphygma flavimaculata 400 



Beet carrion beetle. Silpha opaca 219 



Black phint-bug, Irbisia brachycerus 213 



Buffalo tree-hopper, Cercsa bubaltis 61 



California Laehnosterna, Lachnosterna errans 245 



Chinch bug-, Blissus leucopterus 208 



Devastating grasshopper. Melanoplus devastator 45 



False chinch bug, Nysius cricw 207 



Garden carrion beetle, Silpha ramosa 219 



Grape leaf-hopper. Erythroneura comes 65 



Greasy cutworm, Agrotis ypsilon : 394 



Hairy Phobetus, Phobetus comatus 246 



Ivy or oleander scale, Aspidiotus hederce 177 



Lesser migratory grasshopper, Melanoplus atlanis 43 



Lesser black plant-bug, Irbisia sericans 214 



Long-legged grasshopper, Olinopleura mclanopleura 34 



Minute false chinch bug, Ni/sius erica- minutus 20S 



Muck or carrot beetle, Ligyrus gibbosus 246 



Oak Eriococous. Eriococcus quereus 122 



Oat aphis. Aphis arcnw 87 



Onion thrips, Thrips tabaci 56 



Pacific plant-bug, ThyrilVus paciftcus 215 



Pacific banded flea-beetle, Systena twuiata ligata 285 



Pellucid grasshopper, Camnula pellucida 43 



Red-legged grasshopper, Melanoplus femur-rubrum 46 



Red-shouldered plant-bug. Thyania custator 200 



Red spider, Bryobia pratensis 14 



Two-striped grasshopper, Melanoplus bivittatus 43 



Variegated cutworm, Lyoophotia margaritosa 104 



Western armyworm, Euxoa agrestis 398 



Wheat thrips, Frankliniella tritici 51 



Grass, Bermuda (Capriola dactylon) . 



Cottony cushion or fluted scale, Icerya purchasi 110 



Grass, Brome (Broinus spp.). 



Hessian fly, Phytophaga destructor :'>2i' 



Oat aphis, Aphis avenw 87 



Western grass-stem sawfly, Cephus occid-ntalis 325 



Grass, Canada Blue (Poa compressa) . 



Oat aphis, Aphis avenw 87 



Grass, Cord (tipartina / olios a) . 



Cord-grass scale, Chionaspis spartince 165 



Grass, Crab or Finger (Panicum sanguinale) . 



Oat aphis. Aphis avenw 87 



Grass, Fescue {Festuca sp.) 



Oat aphis, Aphis avenw S7 



