HOST INDEX TO CALIFORNIAN COCCIDAE 59 



Cydonia vulgaris (Quince). 

 Aspidiotus camelliae. 

 Aspidiotus perniciosus. 



Cydonia japonica (Japanese Quince). 

 Aspidiotus camelliae. 

 Aspidiotus perniciosus. 



Cyperus alternifolius. 



Aspidiotus hederae. Only in greenhouses — Ehrhorn. 

 Pseudococcus citri. Only in greenhouses — Ehrhorn. 

 Pseudococcus longispinis. Only in greenhouses — Ehrhorn. 



Cypress — see Cnpressus. 



Dammaria ovata. 



Pseudococcus aurilanatus. Only at quarantine — Ehrhorn. 



Dammaria vitiensis. 



Pseudococcus aurilanatus. Only in greenhouses — Ehrhorn. 



Dioscorea sp.? 



Aspidiotus camelliae — W'oglum. 



Diospyros kaki (Japanese Persimmon). 



Diaspis pentagona. Only at quarantine — Ehrhorn. 



Diplacus glutinosus (Monkey flower). 

 Ceroputo yuccae. 

 Phenacoccus ramonae — Essig. 



Distichlis maritima (Marsh spike grass). 

 Sphaerococcus distichlium. 



Dracaena sp.? 



Aulacaspis crawii. Only at quarantine — Ehrhorn. 

 Pseudococcus longispinis. 

 Saissetia oleae. 



Elaeagnus sp.? 



Chionaspis difficilis. Only at quarantine — Ehrhorn. 

 Lepidosaphes beckii. Only at quarantine — Ehrhorn. 



Elaeagnus umbellata. 



Aulacaspis crawii. Only at quarantine — Ehrhorn. 



Elder — see Savibueus. 

 Elm — sec Uiiiins. 



Ephedra californica. 



Pseudococcus ephedrae. 



Erica sp.? 



Aspidiotus camelliae. 



Eriogonum sp.? 



Erium eriogoni. 



Eriogonum fasciculatum. 



Eriococcus palmeri. Recorded also from Lower California on Eoureria 

 sonorae — Ehrhorn. 



Eriogonum latifolium. 



Pseudococcus maritimus. 



