4 02 S. MATSUMURA 
grayish, second furcal about in the middle of the first ; legs long, fuscous, 
femora at the bases yellowish. 
Length of body 2—2.6 mm.; exp. tegm. 6—6.5 mm -j antennae 3—3.5 mm.; 
cornicles 0.25 mm. 
Apterous viviparous female — Nearly allied to the winged viviparous 
female, except the body somewhat broader in the middle and the cauda much 
broader than the cornicles. 
Length of body 1.9-2.2 mm. (except cauda); antennae 3-3.2 mm.; 
cornicles 0.25 mm. 
Hab. — Hokkaido (Sapporo). 
F. P. — Artemisia vulgaris. 
Nom. Jap. — Yomogi-higenaga-abura. 
Somewhat allied to the European M. artcmisiae Boyek (nec Koch), but 
our species differs from it in having much shorter cornicles and the abdomen 
wanting any marking. 
44. Myzus momonis n. sp. 
Winged viviparous female — Body oblong, pale yellowish brown, with a 
greenish tinge, thorax fuscous; antennae fulvous, anterhinarial nearly 3^ 
times as long as the postrhinarial, the 3rd subequal to the 6th, with numerous 
roundish sensoria; the frontal tubercles on the inner side not gibbous, much 
shorter than the first antennal joint; wing hyaline, veins fuscous, at the base 
yellowish; stigma concolorous, at the margin grayish, 2nd furcal near the 
middle of the first ; abdomen at the base constricted, in the middle broadest, 
cornicles yellow, short, at the base broader; cauda short, broad, conical, yel- 
lowish; legs pale fulvous, femora, tibial tips and tarsi, somewhat infuscated. 
Length of body 2 mm.; exp. tegm. 5.2 mm.; antennae 1 mm.; corni- 
cles 0.2 mm. 
Apterous viviparous female — Body oval, yellowish brown to dark brown, 
with a greenish tinge ; antennae much shoter than the body, anterhinarial 
nearly twice as long as the postrhinarial, without any sensorium, except the 
