» CALIFORNIA STATE COMMISSION OP HORTICULTURE. 



Species. Host Plant. 



Saissetia olex Bern... Olive, Orange, Lemon, Grape-fruit, 



Peach, Prune, Plum, Apricot, Apple, 

 Pear, Pomegranate, Oleander, Rose, 

 Pittosporum, and many other plants 

 and shrubs. 



Physokermes insignicnla Craw Pinus insignis. 



Phynokermes concolor Col. Abies concolor. 



Physokermes taxifolias Col. Pseudotsuga taxifolia. 



Aclerda calif ornica Ehrh. Andropogon furcatus. 



Aclerda tokionis Ckll. . Bamboo. 



Subfamily DIASPINiE. 



* Chionaspis citri Comst . Orange. 



*Chiona8pis difficilis Ckll. Elseagnus. 



Chionaspis ortholobis Comst. Willow. 



Chionaspis pinifolix Fitch Pine and other coniferous trees. 



Chionaspis quercus Comst Oak. 



Chionaspis salicis-nigras W a,lsh Willow, Ceanothus. 



* Chionaspis wistarise Cooley Wistaria. (From Japan.) 



*Howardia biclavis Comst Orange. 



Diaspis hromelix Kuw. Pineapple. 



Diaspis carueli Targ Juniper, Cupressus. 



Diaspis cattleyse Ckll. Cattleya. 



* Aulacaspis crawii Ckll. Elseagnus umbellata. 



* Aulacaspis pentagona Targ. Flowering Peach, Plum, Sago-palm. 



* Aulacaspis pentagona auranticolor [Japan.) 



Ckll. Osmanthus illicifolia. (From 



Aulacaspis rosse Bouche Rose, Blackberry, Raspberry. (In- 

 festing the canes.) 



*Phenacaspis aucubse Cooley Aucuba. (From Japan.) 



*Phenacaspis chinensis Ckll. Quercus. (From China.) 



*Phenacaspis cockerelli Cooley Palm. (From China). [Japan.) 



* Phenacaspis latissima Ckll. Distylium racemosum. (From 



Hemichionaspis aspidistras Sign. Aspidistar lurida. [Japan.) 



*Leucaspis japonica Ckll. Broom, Maple, Peonia. (From 



Leucaspis cupressi Col. Cupressus goveniana. [nifica. 



Leucaspis kelloggi Col. Pseudotsuga taxifolia, Abies mag- 



Fiorinia fiorinise Targ. Cocoanut-palm, Camellia, Ferns, 



Ficus sp. 



Epidiaspis piricola Del Gruer. Pear, Plum, Apple, Peach, 



Aspidiotus assculi Johns ^sculus calif ornica. 



Aspidiotus hedersii Vail. Oleander, Ivy, Lemon, Asparagus, 



Fern, Cycas revoluta. Palms, 

 Orchids, Camellia. 



