Lg 
borderof mouth. Flagellum alittle longer than width of head. Pedicel 
large, triangular, followed by two ring joints and a long, stout, ellip- 
soidal club. General color uniform pale yellow; eyes black; ocelli coral 
red; wing veins nearly hyaline. Ovipositor scarcely visible from above. 
Male (fig. 3).—Differs from female mainly in structure of antennie. 
Seape subjointed, ring joints are absent, and club is very long and as 
stout as pedicel. Club is flexible and is usually bent downward, the 
bend occurring a little below the middle; it is a little longer than head 
and thorax together. The genitalia are strongly exserted, the intromit- 
tent organ pointed at tip, and resembling an ovipositor. 
=== 
=> SS 
ee 
— 
Fia. 3.—Eretmocerus californicus Howard: male, showing genitalia below, wing venation and front 
view of head at left—greatly enlarged (original). 
Described from many male and female specimens reared in June and 
October from an undescribed Aleyrodes on Quercus agrifolia at Los 
Angeles, Cal., by Mr. D. W. Coquillett. 
Genus PTEROPTRIX Westwood. 
Pteroptrix Westwood. Lond. and Edinb. Phil. Mag., vol, 11, 1833, pp. 333, 334. 
It is a pleasure to restore Westwood’s Pteroptrix to the group with 
which he originally considered it to be affiliated. In his original 
description his opening statement is that it is near Agonioneurus 
(Aphelinus). The 4-jointed tarsi of this insect have, however, misled 
other writers. Foerster, largely on this account, placed it in the 
Tetrastichine. but showed that it differed from the majority of these 
forms in the lack of the furrows of the scutellum, and suggested its 
191—No. 1 2 
