1 s fö f) - a +; «t ja a 35. f^h «> «f m 1 ; *t -c 



base (at the base of stiijiua). Cornicles somevvliat k)iiij;cr. Cautla much slenderer 

 than the cornicles, nearly as long as the taisi. l-^s,^s fulvous, femora, ajjiccs of 

 the tibiae, and the tarsi, infuscated. 



l^ength — 1 .3 mm.; exp. 5.2 mm.; antennae 1 .5 mm.; cornicles 0.2 mm.; caiida 

 0.09 mm. 

 I'lipa — Differs from the winged \i\'iparous female as follows: 

 Antennae broader, the 3rtl, 4th and 5th joints suljequal, the 6th soniewhat in- 

 fuscated, the 3rd with a few indistinct scnsoria. Wing-sheath [lale brownish, with 



2 fLiscous stripes. Cornicles and caud<i shorter, the latter being much broader. 

 Legs shorter and broader. 



Length — 1.4 mm.; antennae 1 2 mm.; cornicles 0.1 mm.; Cauda 0.07 mm. 

 Mab. — Hokkaido (Sapporo); ui the latter [lart of June, 1917, collected by 



the author in the botanical Garden of our College. 

 1''. P — Plii'tiiiia villosa ; attacl<ing the under surface of the leaves. 

 Nom. Jap. — Kauiatsuka-kiirinjiiyakiuibnra. 



4, Sappaphis "• ,^ 



Somewhat allied to Aphis 1^., but differs from the latter as follows: 

 Winged viviparous female — Body with woolly secrection. Antennae broad, 

 with many minute hairs, the 3ril jc)int subecjual tg the 4th and 5th combined ; an- 

 teihinarial scarcely 1 \ times as long as the [jostrhinarial. First furcal arises from 

 one third part near the base of meiiia, the space between the 2nd oblique and 

 media broader than the space between the first and 2nd oblique ; stigma shorter 

 and in a shape «.if fusiform. Cornicles short, cylindrical, somewhat longer than 

 the tarsi, cautla .short and broad. 



Genotype — Sappaphis pin Mats. 



26. Sappaphis piri n. sp. (Pi. \. f. 1, a, b, c). 



Winged vi\iparous female — Body fiiscous, abdomen fuK'ous. Antennae much 

 shorter tlu'.n the l)od\', the 3rd joint with about 23 seiisoria all ov'er the tip;.)er sur- 

 fticc, the 4th with about 5 small sensoi ia on the outer side. Wings with a very 

 light fulvous tinge, veins and stigma fuscous, 2ud furcal at the middle of tlie first. 

 Abdomen on the sides fuscous spotted, with about 5 fuscous bands at the apical half 



