232 



STATE BOARD OF AGRICULTURE. 



Fig. 1. — Apricot Scale Lecanium armcniacum on plum. Females full grown but still 



Photograph enlarged 4% times from original. 



soft. 



sometimes slightly elongated, becoming hard and horny after death. The eggs are 

 laid inside the horny skin or shell, the body of the mother shrinking away to make 

 room for them. Thus the skin or shell of the mother becomes really a basket for 

 holding the eggs until they hatch and the young lice crawl out and find suitable 

 places to grow. The males, as explained further on, are quite different from the 

 females, being winged, much smaller, and more delicate. 



Fig. 



Apricot Scale Lecanium armcniacum. Scale of male greatly enlarged. Original. 



The apricot-scale is surely a serious pest and should be treated as such. It has been 

 recorded from New York, Connecticut, Massachusetts and Ohio, though it has thus 

 far failed to justify in the East, the reputation that it holds in the West. Most of the 

 damage that has been done in Michigan is in the northern part, though it has been 

 received from other regions, and probably will be found here and there over the State 

 on plum trees and on other hosts. 



ITS LIFE if I STORY. 



On the 27th of April, specimens were received of both males and females, living and 

 in normal condition. The female insects had then molted for the last time, but 

 were only a little over y s of an inch in length (2 mm.). Many of the males were 



