THE MONTHLY BULLETIN. 



273 



Cistribution. — Al)nndaiit in most of the southern citrns growina^ 

 sections of the State. 



Hosts. — The larvte work npon the eggs and young of the black scale 



"^ ;^ 





Fig. 270 — Th«^ male and female of the black scale parasite, Toviocera raliforvica 



Howard. (V. S. Dept. Agrcl.) 



{Saissetia olece) . This year R. S. Vaile, Horticultural Commissioner of 

 Ventura County, reports that this parasite has wrought great execution 

 upon the black scale in certain citrus orchards near Ventura. 



Aphjiciis pdiua lloward (Family Encyrtidse ) . 

 (Fig. 271.) 



General Appearance. — This is a small, yellow four-winged insect as 

 shown in Fig. 271. 





Fig. 2 71. — Aphycus flavus How. (After Howard. Couitesy 



Cal. Exp. Sta.) 



Distribution. — Especially abundant in the southern part of the 

 State, but also found further north. 



Hosts. — This species is a very important enemy of the soft brown 

 scale {Coccus hcsperidum Linn.) and when aliundant is a very eifieient 

 check to this pest. 



