76 K. Takahashi : 



with the apice? of joint? dusky. Legs white. Wings hj-ahne; stigma 

 and veins colourless. 



Body soft, oblong, with some cottony wax and a few short fine 

 hairs. Head as long as the prothorax: vortex not prominent. E5'es 

 large, without ocular tubercles. 



Frontal tubercles absent. Antennae with a few very minute 

 hairs; the 3rd joint with 3-4 small circular sensoria in a row near the 

 base: apical sensoria of the 5th very small; the 6th scarcel}^ imbricated; 

 the relative length of joints as follows: Til — 69. IV — 47, V — 41. VI 

 — 39 (21 + 18). Rostrum very short, reaching the front coxae. Body 

 without dorsal and lateral tubercles. Fore wings rather naiTOw; 

 .stigmatic vein obsolete; the 3rd oblique twice forked; hind wings with 

 2 obliques parallel; liooklets 2: wings carried normally when at rest. 

 Cornicles very short, little more than pares. Cauda globular, con- 

 stricted at the liasr. Anal jilate bilol)ed. Legs slender, with some 

 minute hairs; hind Ifiis with cottony wax, the femora somewhat 

 ■dilated: tarsi very long: claws very long and nearly straiglit 



Length of body — 1.6 mm. Antenna — 1.5 mm. 



Fore wing — 2.0 mm. Width of fore wing — U.S5 mm. 



Host. — Bambxi^a sp. , attacking the leaf. 



Distribution. — Formosa (Taihoku). 



This aphis is found ow the underside of the Hambusa — leaf, and 

 •does not jump from the host when disturbed, but walks rather actively. 



Subtrilie Nccyphyllaphidini. 

 Neophyllapliij^. Takah., in my opinion, has every claim to be 

 recognised as a distinct subtribe. It may be near the Phyllaphid'mi, 

 but is <listinguished from the latter as follows: 



Neophi/Uaphidiiii new subtribe. 

 Body soft, without hairs, but with a pulverulence. Frontal 

 tubercles alisent. Anteiiuae G-jointiil; spur very small; sensoria on 

 the 3rd joint transversely narrow. 



