1 6 12 ?•) - H '-^"^ ^ !J?i2i iffi f-1- c?) JTr M I - St -C 



22. Acaiithaphis rubi "• '^p- (PI. I. f- 3- a, b, c, d). 



Apterous viviparous female — Body oblong, dark brown. ^\ntcniiae at the 

 basal one-third paler, with a few h.iirs, the branch-like process of the first joint at 

 the apex blunt, with 2 capitate hairs o:i the inner side, the 3rd joint somewhat 

 shorter than the 4th and 5th combined, wants distinct sensoria; anterhinarial about 

 2^ times as long as and a little^slendercr than the p^strhinarial. U jrsal projections 

 each with one or 2 capitate hairs. Cornicles nearly reach to the tip of the cauda, 

 at the apices somewhat infuscated. Cauda conical, near the: base with a few fine 

 hairs. Legs concolorous with the body, some hairs being capitate. 



Length — 1.3 mm.; antennae 1 mm.; cornicles 0.5 mm.; cauda 0.1:5 mm. 

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

 the author ia the I^otanical Garden of the Imperial Agricultural Col- 

 lege. 

 F. P. — Rubiis sp. 

 Nom, Jap. — Iclugo-togeabiira. 



23. Myzus malisuctus n. sp. 



Winged \'iviparous female— Body oblong, brownish, head and thorax fuscous. 

 Antennae distinctly longer than the body, the antennal-process somewhat shorter 

 but broader than the first joint, the first joint with a roundish protuberance, the 3rd 

 joint with about 15, the 4th with about 7, the 5th with about 4 sensoria, the 5th 

 much shorter than the 4th ; anterhinarial about 5 times as long as the postrhinarial. 

 Wings with a very pale fulvous tinge, veins fulvous, stigma pale grayish, 2nd 

 furcal rather near to the ape.x. Abdomen on the side fuscous spotted. Cornicles 

 about 3 1 times as long as the tarsi ; cauda short, conical, somewhat shorter than 

 the tarsi. Femora, except the bases, and the apices of the tarsi, fuscous. 



Length — i.i mm.; e.xp. 4.4 mm.; antennae 1.2 mm.; cornicles 0.25 mm.; 

 cauda 0.09 mm. 



Apterous viviparous female — Differs from the winged viviparous female as 

 follows : 



Body green, longer. Antennae much shorter than the body, tubercles of the 

 antennal-process and first joint more conspicuous, the 3rd joiiit wants distinct 

 sensoria; anterhinarial about 6 times as long as the postrhinarial. Abdomen witii 



I 



