THE MONTHLY BULLETIN. 



123 



Distribution. — Limited, but present in the State on apples. 

 Food Plants. — This species attacks many plants, chief of which are 

 apple, pear, plum, cherry, quince, Japanese quince, currant, mountain 



Fig. 106. — The scurfy scale, Chionuspis fur- 

 fura (Fitch). Adult females at left and males 

 at right. (After Qualntance and Sasscer. ) 



ash, hawthorn, peach, poplar, gooseberry, crab-apple, chokecherry, black 

 walnut and elm. 



Control. — Same as for San Jose scale. 



THE PINEAPPLE SCALE. 



Diaspis bromeliw (Kern.). 



(Fig 107.) 



General Appearance. — The outer shells or scales of the females are 

 thin, circular and nearly pure white in color, with exuviae yellow. The 

 bodies proper are yellow or orange, sometimes with blue or purple 

 tints. 



Life History. — The females usually attack the leaves into which 

 they burrow and may become almost entirely hidden under the epi- 

 dermis. The fruit is also infested. 



Distribution. — Occurs in greenhouses and often taken in quarantine. 



Food Plants. — Pineapple, Bromelia pinguin, Hibiscus, canna, ivy, 

 Billbergia zehrina, Olea fragrans. 



