A LIST OF THE APHIDIDAE OF JAPAN, WITH DESCRIPTION 397 
(except the bases and middle parts) and tarsi, black. 
Length of body 1.2 mm.; exp. tegm. 6.5 mm.; antennae 4.2 mm.; cor- 
nicles 0.4 mm. 
Apterous viviparous female — Body nearly allied to the winged vivipa- 
rous female, but larger, oval, the 3rd joint of the antennae wanting sensoria, 
distinctly longer than the 4th, the 5th somewhat shorter than the 4th ; Cauda 
longer than the half length of the cornicles, the latter not surpasssing the 
cauda. 
Length of body 2.5-3 ^ m -', antennae 4.5 mm.; cornicles 0.7 mm. 
Pupa — Nearly allied to the apterous viviparous female, but smaller; na- 
tennae shorter, yellow, the 3rd joint subequal to the 4th and 5th taken toge- 
ther, fuscous, wing-sheath grayish. 
Length of body 2 mm.; antennae 3.5 mm.; cornicles 0.4 mm. 
Hab. — Hokkaido (Sapporo). 
F. P. — Lcspedeza bicolor. 
Nom . Jap . — Hagi-higcnaga-abiwa. 
38. Macrosiphum ibarae n. sp. 
Winged viviparous female — Body oblong, pale brownish, meso- and me- 
tanotum dark brown; antennae much longer than the body, frontal tubercles 
short, only one third the length of the first joint, the 3rd joint on the outer- 
side with numerous sensoria, distinctly longer than the 4th, the 4th and 5th 
on the outerside with a few sensoria, anterhinarial somewhat 10 times as long 
as the postrhinarial ; wings long and large, stigma and veins pale yellowish, 
2nd furcal near the middle of the first ; abdomen on the lateral margins 
each with a double row of fuscous spots, fuscous eyes of the larvae being 
visible through the dorsal skin ; cornicles brownish, with a greenish tinge, 
broadest a little before the bases ; cauda pale yellowish, broadly conical, 
nearly one third the length of the cornicles ; legs fulvous, apical halves of the 
femora, apices of the tibiae, as well as the whole part of the tarsi, fuscous. 
