A New California Coccid Infesting Manzanita 



{Aulacaspis manzanitae n. sp.) 



B. B. WHITNEY 



STATE HOETICULTUEAL QUARANTINE INSPECTOE 



SAN FRANCISCO, CALIFORNIA 



Puparium of the female approximately circular; moderately 

 convex; exuvife siibcentral or towards the margin. Color vary- 

 ing from pale yellow to dusky j'ellow, or pale brown. Diam. 1.75 

 to 2.25 mm. ; puparium light brown or gray to a dark brown ; 

 light gray at margin. A'eutral scale appearing as a very thin 

 whitish scar on the leaf after the removal of the insect. Male 

 not known. 



Figure 40. Anal plate of the manzanita scale, Aiilacaspis manzanitip n sp. (Original) 



Adult female dark with a yellowish pj^gidium before being 

 boiled in potash; pygidium with five groups of circumgenital 

 glands ; the anterior group usually consists of from 6 to 10 ; the 



