M.vrsiJ.Mi'KA : Ni;w Aphidinak uk Jai-an. I r 



Length — 4 mm. (excl. cauda) ; antennae 6 mm.; cornicles 0.7 mm,; cauda 



0.6 mm. 

 Hab. — Hokkaido (Sapporo); oji the 19th, June, 1917, collected by the 



author at Maruyama-Park. 

 F. P. — Vicia unijuga ; gathering on the upper part of the shoot. 

 Nom, Jap. — Taniwatashi-tokkuriabnra. 



15. Rhopalosiphum tiliae n. sp. 



Winged viviparous female — Dark brown, thorax on the sides greenish yel- 

 low. Antennae somewhat shorter than the body, the 3rd joint with numerous 

 (about 60) large sensoria all over the upper surface, provided with a few rigid, 

 short hairs, the 4tli with about 15 sensoria, the 3rd as long as the 4th and 5th 

 taken together, the 5th much shorter than the 4th; anterhinarial about 4 times as 

 long as the postrhinarial. Wings with ver)' light fulvous tinge, veins fulvous, 

 stigma fuscous, 2nd furcal nearly at the middle of the first. Abdomen greenish 

 fulvous, much broader than the thorax, with fuscous bands and spots. Cornicles 

 fusiform, much dilated at the middle. Cauda greenish fulvous, conical, at the base 

 as broad as the broadest part of the cornicles. Legs fuscous, coxae, trochanter 

 and the basal halves of the femora, fulvous. 



Length — 3.5 mm.; exp. 12 mm ; antennae 3.4 mm.; cornicles 0.5 mm.; cauda 

 0.2 mm. 

 Apterous viviparous female — Differs from the winged viviparous femele as 

 lollows : 



Antennae greenish fulvous, the 3rd antennal joint with about \j sensoria, the 

 4th wants sensoria; anterhinarial about 7 times as long as the postrhinarial. 

 Abdominal bands indistinct. Legs greenish fulvous, femora and tibiae at apices, 

 and the tarsi, fuscous. 



Hab. — Hokkaido (Sapporo); in the first part of July, 1917, collected by 



the author ; very common. 

 F. P. — Tilia japonica ; attacking the under surface of the leaves. 

 Nom. Jap. — Slilna-tokhiriabura. 



