400 S. MATSU.MURA 
F. P. — Prunus mutne. 
Nom. Jap. — Mume-Jiigenaga-abura. 
Somewhat allied to M. malvicola Mats., from which it may differ espe- 
cially in having the fuscous cornicles and much less sensoria in the antennae. 
41. Macrosiphum primulana n. sp. 
Winged viviparous female — Body greenish yellow, broad-fusiform, head 
and mesonotum fuscous; antennae distinctly longer than the body, fuscous, 
the 3rd at the base yellowish, on the outer side with a series of sensoria 
nearly in a single row, distinctly longer than the 4th, the 4th being much 
longer than the 5th, anterhinarial nearly 5 times as long as the posthinarial ; 
wings hyaline, stigma and veins fulvous, 2nd furcal near the middle of the 
first; each abdominal segment with a fuscous band, which being often united 
together, on the lateral sides with a series of black spots; cornicles fuscous, 
scarcely broader at the base ; cauda fuscous, nearly on third the length of the 
cornicles; legs yellowish, apical halves of the femora, apices of the tibiae 
and the whole part of the tarsi, fuscous. 
Length of body 2.3 mm.; exp. tegm. 8.3 mm.; antennae 2.5 mm.; cor- 
nicles 0.3 mm. 
Apterous viviparous female — Nearly allied to the winged viviparous 
female, but the antennae much longer than the body, paler, the 3rd, 4th and 
5th joints on each apex infuscated, wanting sensoria; meso- and metanotum, 
as well as the abdominal segments each, with a fuscous band, which being 
interrupted in the middle ; cornicles and cauda paler. 
Length of body 1.5 mm.; antennae 2 mm.; cornicles 0.25 mm. 
Pupa — Nearly allied to the apterous viviparous female, except the fuscous 
bands to the thorax and abdomen being indistinct, wing-sheath being con- 
colorous with the body. 
Length of body 1.7 mm.; antennae 2 mm.; cornicles 0.22 mm. 
Hab. — Hokkaido (Sapporo). 
F. P. — Primula sinensis. 
