A LIST OF THE APHIDIDAE OF JAPAN, WITH DESCRIPTION 
breadth ; cornicles fuscous, long, broader at the base ; Cauda small ; legs yel- 
low, tibiae at the apices and tarsi, fuscous. 
Length of body 0.9-1 .2 mm.; exp. tegm, 4.2 mm ; antennae 0.9-1.0 
mm.; cornicles 0.2 mm. 
Apterous viviparous female — Body yellow (in alcohol), with a greenish 
shade; antennae except 2 basal joints pale yellow, the 3rd subequal to the 
4th and 5th taken together, anterhinarial 2^ times as long as the postrhinarial, 
cornicles long, fuscous, at the base broader ; cauda large, constricted near the 
base; legs grayish white, tibiae at the apices and tarsi, somewhat infuscated. 
Length of body 09 mm.; antennae 0.7-0.9 mm.; cornicles 0.2 mm. 
Hab. — Honshu (Tamba). 
F. P. — Colocasia antiquarum; collected by Mr. Jiro A dach 1. 
Nom. Jap. — Imo-abura. 
25. Aphis glycines n. sp. 
Winged viviparous female — Body dark green, oblong; head and the an- 
terior part of the pronotum pale yellowish brown, the middle part of the 
mesonotum fuscous; antennae a little shorter than the body, grayish yellow, 
the bases of the 3rd, 4th and 5th joints pale yellow, the 3rd distinctly longer 
than the 4th, on the outerside with a few roundish sensoria in a single row, 
the 4th without sensoria, anterhinarial nearly 3 times as long as the post- 
rhinarial ; cornicles long, at the base broad, cauda pale yellowish, small, near 
the base somewhat constricted ; wings hyaline, veins grayish yellow, stigma 
grayish white, 2nd furcal rather nearer the apex of the first ; legs yellow, 
tibiae at the apices and tarsi, fuscous. 
Length of body 1.4 mm.; exp. tegm- 5.7 mm.; antennae [.5 mm,; cor- 
nicles 0.25 mm. 
Apterous viviparous female — Body dark green, oval; antennae greenish 
yellow, far shorter than the body, anterhinarial nearly 2| times as long as the 
postrhinarial ; cornicles long, broader at the base; cauda long, yellow, nearly 
one half the length of the cornicles, with a few long hairs, and at the base 
