Matsumura : Ni;\v Aphidimae ok Japan. n 



Length — 2.2 nrn.; antennae 3.2 mm.; cornicles 0.5 m:n.; cauda o. i 5'mm. 



Hab. — Hokkaido (Saj^poro) ; in the latter part of June, 1917, collected by 

 the author in the Botanical Garden of the Imperial Agricultural Col- 

 lege. 



F. P. — Hydrangea paniciilata; attacking the under surface of the leaves 



No m . Jap . — Sabita-tokkuriabiira. 



12. Rhopai'osiphum sambuci "• sp. 



Winged viviparous female — Body dirty yellow, abdomen in the middle with 

 a large whitish spot. Antennae fuscous, at the base of each joint somewhat paler, 

 the 3rd joint with about 2J huge and small sensoria on the outer side, subequal 

 either to the 4th or 5tli ; anterhi'iarial about 5 times as long as the postrhinarial. 

 Wings with a light fulvous tinge, stigma and veins fulvous, 2nd furcal nearly at 

 the middle of the first. Cornicles long, in tlie middle somewhat dilated, and at 

 the apices somewhat infuscated. Cauda broad-conical, nearly twice as broad as 

 the Cauda. Legs fulvous, femora at the apical halves, tibiae at the apices, and the 

 tarsi, fuscous. 



Length — 2.7 www.; ex[). 1 1 mm.; antennae 3.5 mm.; cornicles 0.7 mm., cauda 

 0.25 mm. 

 Pupa — Differs from the winged viviparous female as follows: 

 Antennae at the ap^ex of each joint infuscated, the 3rd somewhat longer than 

 the 5th. Wing-sheath reaches to the one-third part of the abdom-n. Cauda 

 broader. 



Length — ^3 mm.; antennae 3 mm.; cornicles 0.5 mm.; cauda 0.25 mm. 

 Hab. — Hokkaido (Sapporo); in the latter part of June, 191 7, collected b\' 

 the author in the Botanical Garden of the Imperial Agricultural Col- 

 lege. 

 F. P. — Sambttcus raceinosa ; attacking the under surface of the leaves. 

 Nom. Jap. — Nhvatoko-tokhtriabura. 



13. Rhopalosiphum smilacis n. sp. 



Winged viviparous female — Uirt>' yellow. Antennae fuscous, the first 2 joints 

 and the base of the 3rd fulvous, the 3rtl joint with about 17 large and small sen- 



