HOST INDEX TO CALIFORNIAN COCCIDAE 57 



Camphora officinalis (Camphor tree). 

 Aspidiotus canielliae. 

 Chrysomphalus anrantii — Woglum. 

 Pseudaonidia duplex. Only at quarantine — Ehrhorn. 



Carex breweri (Sedge). 



Exaeretopus caricis — U. S. Dept. Agrcl. 



Castor Bean — see Riciniis communis. 



Cattleya sp.? 



Diaspis boisduvalii. 



Diaspis cattleyae. These two scales only at quarantine and in green- 

 houses — Ehrhorn. 



Ceanothus sp.? 



Chionaspis salicis-nigrae. 



Ceanothus cuneatus. 

 Ceroputo yuccae. 

 Aspidiotus camelliae — Essig. 



Ceanothus rigidus. 



Alytilaspis concolor — U. S. Dept. Agrcl. 



Century Plant — see Agaz'e. 



Cercis sp.? (Judas Tree, Red Bud). 

 Aspidiotus camelliae. 



Chaniiso — see Adenostoma fasciculatum. 



Chenopodium sp.? 



Eriococcus neglectus — U. S. Dept. Agrcl. 



Cherry — see Pninus cerasns. 



Cissus sp.? 



Aspidiotus camelliae — U. S. Dept. Agrcl. 



Citrus aurantium (Orange). 

 Aspidiotus camelliae. 

 Aspidiotus hederae. 



Ceroplastes ceriferus. Only at quarantine — Ehrhorn. 

 Ceroplastes cirripediformis. Only at quarantine — Ehrhorn, 

 Ceroplastes rubens. Only at quarantine — Ehrhorn. 

 Chrysomphalus aonidum. Only at quarantine — Ehrhorn. 

 Chrysomphalus aurantii. 

 Chrysomphalus citrinus. 

 Coccus hesperidum. 



Eulecanium pruinosum — U. S. Dept. Agrcl. 

 Hemichionaspis aspidistrae. Only at quarantine — Ehrhorn 

 Howardia biclavis. Only at quarantine — Ehrhorn. 

 Icerya purchasi. 

 Lepidosaphes beckii. 

 Lepidosaphes gloverii. 

 Parlatoria pergandii. 

 Pseudococcus citri. 

 Pseudococcus longispinis. 

 Saissetia hemisphaerica. 

 Saissetia oleae. 



