THE MONTHLY BULLETIN. 



277 



Sif/iiitihuni ocvidviitdlifi Howard (Family EuloijliicUe) . 

 (Fig. 277.) 



General Appearance. — One of the smallest parasites, being scarcely 

 over half a millimeter in length and rather robust. The general color 

 is dark brown or nearly black; eyes dark red, mesonotum yellow; legs 

 and antennge amber, wings dusky with long fringe; forewings with 

 indefinite dark blotch near the middle. 



Fig. 277. — Signiphora occidentalis Howard. (After 

 Howard. Courtesy Cal. Exp. Sta. ) 



Distribution. — In the southern part of the State. 



Hosts. — Parasitic on yellow scale {Chrysomphalus ciirinus). 



Apheliiiitx hiiitihispidix LcISaion (Family Fiilophid.'P ) . 



(Fig-. 27 8.) 



General Appearance. — The adult parasites are exceedingly small. 

 being about one thirty-second of an inch long. The color is bright 

 lemon yellow ; base of antenna dusky ; eyes dark ; ocelli red ; mandibles 

 l>rown ; legs and wing veins bright yellow. 



Distribution. — Quite common throughout the State. 



Fig. 278. — Aphelinus mytilaspidis Le 

 Baron. (After Howard.) 



Hosts. — This parasite preys upon a number of scales, among which 

 are the oyster shell scale {Lepidosaphes idmi), pine scale {Chionaspi^ 

 pinifolice). San Jose scale {Aspidiotus perniciosus) and Diaspis carueli. 



