A LIST OF THE APHIDIDAE OF JAPAN, WITH DESCRIPTION 3^ 
near the apex of the first ; abdomen oval, cornicles long, reaching scarcely 
beyond the caudal apex, at the base broader ; cauda blunt, at the apex abruptly 
conical ; legs yellow, tibiae at the apices and tarsi, fuscous. 
Length of body 1.5 mm ; exp. tegm. 5 mm.; antennae 1.2 mm.; corni- 
cles 0.27 mm. 
Apterous viviparous female — Body oval, dark green, on the sides green- 
ish yellow; antennae yellow, far shorter than the body, each joint infuscated 
at the apex; thorax and abdomen with some reticulated darker markings; 
abdomen short, cornicles long, greenish yellow, more than one half the length 
of the abdomen, cauda fuscous, longer than broad, conical, in the middle 
somewhat constricted. 
Length of body 1.5-1.8111111.; antennae 1.1 mm.; cornicles 0.5 mm. 
Hab. — Hokkaido (Sapporo). 
F. P. — Salix caprea. 
Nora. Jap. — Yanagi-abura. 
Allied somewhat to Luropean A. saliccti Kalt. n 
30. Hyalopterus abietinus n. sp. 
Winged viviparous female —Body oblong, dark greenish brown, covered 
with white waxy prowder ; head black ; antennae brownish, the first 2 joints 
black, the 3rd yellowish at the base, subequal to the 4th, with many minute 
sensoria over the whole surface, the 4th with the sensoria only on the outer- 
side, the 5th much shorter than the 4th, anterhinarial nearly 4 times as long 
as the postrhinarial ; wings hyaline, veins nearly colorless, somewhat fulvous 
at the margin, 2nd furcal near the middle of the first, 3 obliques not reaching 
entirely to the cubitus, stigma grayish ; abdomen narrower than the thorax ; 
cornicles very short, somewhat longer than broad ; cauda longer and broader 
than the cornicles ; legs slender, yellowish, tibiae, femora at the apices and 
tarsi, fuscous, the hind femora, except the bases, largely fuscous. 
Length of body 1.8 mm.; exp. tegm. 7 mm.; antennae 1.7 mm. 
1) Kaltenbach- Monographie der Familie Prlan^ealäuse p. 103 (1843). 
