Matsumura : New Aphtdtnae of Japan. I c 



the middle part of the posterior femur. Cauda broad-conical, short. 



Length — 1.4 ram.; antennae 1.5 mm.; cornicles Q.25 mm.; cauda 0.08 mm. 

 Hab. — tiokkaido (Sapporo); in the early part of July, 191 7, collected by 



the author in the liotanical Garden of our Imperial Agricultural 



College. 

 F. P. — Vibiinium sp.; infecting the under surface of the leaves. 

 Nom. Jap. — Gamazuud-iboabura. 



21. Phorodon galeopsidis Kalt. 



Aphis galeopsidis Kalt. Monog. Aph. p. 35 (1843), 

 Phorodon galeopsidis Pass. Gli Afid. p. (i86d); Buck. Monog. Vol. 

 p. 171 PI. XXXII, (1875). 

 Hab. — Hokkaido (Sapporo), Honshu, p'ormosa ; l'!uro[)e. 

 F. P. — I have found this species on the under surface of the leaves of 

 Elacagiuts sp. at the Okada-garden in the Nakajima-Park. In Kurope 

 this species attacks Galeopsis Fetrahit, Lamium album, Stachys sylva- 

 tica and Pol}'gonun^. persicaria. 

 Nom . Ja p . — Gumi-ihoahura . 



3. Acanthaphis n. g. 



Near Phorodon of Passarini. 



Apterous \'iviparous female — Hairs of the body mostl\- capitate. Antennae 

 much shorter than the bocly, antennal-[)r()cess nearly as long and broad as the first 

 joint, with 2 capitate hairs on the inner side, the first joint with a long cylindrical 

 process; which being longer but slenderer than the 2nd joiiit, the 3rd the longest, 

 the 4th and 5th subequal, postrhinarial somewhat shorter than the 5th, anterhina- 

 rial short. Rostrum moderately long. Thoiax and abdomen on the sides with 

 a row of capitate hairs, in the middle of each thoracic and abdominal segment 

 with'a pair of tuberculous projections, the penulimate pair being very long. Cor- 

 nicles long, cylindrical, somewhat incurved. Cauda conical, longer than broad. 

 Legs moderately long. 



Genotype — Acanthaphis rubi Mats. 



