A LIST OF THE APIIIDIDAE OF JAPAN, WITH DESCRIPTION 403 
rhinarium at the apex of the postrhinarial ; the frontal tubercles somewhat 
shorter than the first antennal joint, on the inner side somewhat gibbous, the 
3rd subequal to the 6th; head and cross-bands of the pro- and mesonotum 
somewhat infuscated ; abdomen globose, cornicles short, infuscated, Cauda 
short and conical; genital plate somewhat infuscated; legs pale ochraceous. 
Length of body 2 mm.; antennae 1.7 mm.; cornicles o. 1 8 mm. 
Hab. — Hokkaido (Sapporo). 
F. P. — Prunus persica. 
Nom. Jap. — Momo-kobu-abura. 
45. Myzus sakurae n. sp. 
Apterous viviparous female — Much resembles to M. momonis Mats., 
from which it differs as follows : — 
Body yellowish green or dark green ; antennae greenish yellow, ante- 
rhinarial nearly 3 times as long as the postrhinarial, with 3 or 4 rhinaria at 
the apex of the postrhinarial, the 6th joint at the base and apex somewhat 
infuscated ; thorax and abdomen uneven ; cornicles much longer, cauda dis- 
tinctly longer, more pointed conical; legs yellow, with a greenish tinge. 
Length of body i.omm.; antennae 1.0 mm.; cornicles 0.12 mm. 
Pupa — Yellowish brown to dark brown, oblong ; antennae broad, the first 
joint large and globose, longer than the frontal tubercle; wing-sheath reaches 
nearly to the middle of the abdomen, concolorous with the abdomen ; corni- 
cles surpassing the caudal apex, somewhat curved inwardly, cauda inconspi- 
cuous ; the rest characters are similar to those of the apterous female. 
Length of body 1.7 mm.; antennae 1 mm.; cornicles o. 12 mm. 
Hab. — Hokkaido (Sapporo). 
F. P. — Prunus sachalinensis, causing a monstrous abnormal growth on 
the under surface of the leaves. 
Nom. Jap . — Sakura-kobu-abura. 
This species has very little resemblance to European M. cerasi F., which 
being entirely black. 
