569 



were introduced successfully into this State, and have now become 

 -established : Dilophogaster caMfornica, Hemencyotus crawii, 



Black Scale Parasite (Dilophorjaster californica). 

 Male and female. Upper, male. 



and Myiocneme comperei. The first two mentioned are parasites 

 upon the eggs; while the last mentioned is upon the scale itself. 



The best and most 

 effectual parasite of it 

 has not as yet been 

 established in this 

 State, this is Scute - 

 Iwta cyanea. This hg s 

 kept the black scale in 

 subjection in Europe 

 for more than acentuiy 

 past, and it is to le 

 hoped that during the 

 coming season it will 

 be established in this 



Black S^ale Para.site (Scutefl-'s/a cyama). 



State also. 



