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136 THE MONTIIIA' BULLETIN. 



working upon red scale, AspidiotipJiagus cifriiius Craw, is the most 

 effective internal parasite. 



Cliii/.soitipJidhis rossi (Mask.). 



(Aspidiotiis rossl Mask.) 



(Fig. 119.) 



General Appearance. — The scale of the adult female is circular or 



--, irregularly oblong with ragged margins; 

 flattened; reddish to dark brown, with 

 inner surface around and including exuvite 

 almost black. The male scale is smaller 

 and lighter in color. The female body is 



f % ^K reddish yellow and about 1.5 mm. long. 



* '^ The eggs are light purple and hatch soon 



after being laid. The first hatched larva3 

 are pink. 



Distribution. — Imported into California 

 from Asia and Australia and' now occurs 

 in the central and southern parts of the 

 State. 



Food Plants. — Attacks Araucan'a hid- 

 iriUtl in Los Angeles. Also works upon 

 olives. 



Natural Enemy. — The steel-blue lady- 

 bird beetle. Orcus cJialybeus, preys upon 

 this scale. 



THE PURPLE SCALE. 



Lepldosaphes ieckii (Newm. ). 

 [ fl/ (Fig. 120.) 



\ y General Appearance. — The female scales 



I // are elongated, oyster-shaped, varying 



■ from one sixteenth to one eighth of an 



M inch in length, and one third as wide. 



Fio. U9.~chr,sompnaius ^he male scales are much smaller than 



rossi (Mask.) on Araucaria the females. The scalc or covcring varies 



bidwiiiii. (After Craw.) f^om a reddish brown to a rich purple 



color, giving rise to the name. 



Life History. — The pearly white eggs are laid in the large sac under 

 the protecting scale. From these are hatched males and females, which 

 mature in from four to six months. The fruit, limbs and foliage 

 are attacked. 



