1909] GIRAULT — APHELINUS 29 
A NEW CHALCIDOID OF THE EULOPHID GENUS APHELINUS DAL-= 
MAN, PARASITIC ON SCHIZONEURA CRATAEGI OESTLUND. 
BY A. ARSENE GIRAULT, URBANA, ILLINOIS. 
Family EULOPHID®. 
Subfamily APHELININAE. 
Tribe Aphelinine. 
Aphelinus varicornis species nova. 
Normal position. 
Female: — Length, 1.24 mm., avg. Moderately large for the genus. Same in 
general coloration, stature and sculpture as Aphelinus mali (Haldeman), but differ- 
ing in the following italicized details: Fore wings with a distinct fuscous patch under 
the marginal vein, more pronounced vmmediately caudad of the stigma, especially 
seen as a round dot at the stigma, the fuscous area quadrate and extending distinctly 
caudad to the middle of the wing where it 1s evanescent; caudal femora white, not 
sordid yellowish, basal joint of caudal tarsi blackish, cephalic and intermediate 
femora fuligious, the knees and the intermediate and caudal trochanters white, 
the cephalic tibiae white clouded with dusky and the remaining tibiae sooty black, 
yellowish at their extremities; apical tarsal joints sooty; antennae variable, vari- 
colored, the scape, pedicel and first two funicle joints sooty, the two basal joints of the 
funicle, however, with some yellowish; the apical funicle joint and the club chrome 
yellow, the latter often paler yellow; ventum sooty black; area of the fore wing 
proximad of the oblique hairless line also naked, but with no setae beneath the marginal 
vein as in mali, excepting one or two, and with but 2 transverse (caudo-proximal) 
lines of setae along the proximal border of the oblique hairless line; the proximad 
of these two lines of setae runs not quite to the center of the wing. ‘Tip of the abdo- 
men concolorous. Hind wings densely ciliate discally. 
Shining black: Whole of thorax very delicately sheened, the mesopostscutellum 
acute along the meson; eyes hairy, deep purplish red, just after death imperial 
purple; ocelli deep ruby red, the lateral ones some distance from the eye margin, 
and widely separated, being about 5 times farther from each other than each is from 
