'(j2 K. Tabahnshi : 



Wings witli the 'Avd <ililiqiie twice fdvkfd: liind -wings with 2 

 oliliques. Cornicles very small, ns long sis or a little longer than wide, 

 broadest at the base, without constriction. Cauda large and verj' long, 

 with a constriction about the middle. 



Type — Brachycolvs gramini Takahashi. 



This genus is closely related to Brac/iycohts Buckt., hut is 

 distinguished from it by the structure of the cornicle, as well as. by 

 the larger cauda. 



Brachyaip/io^iie/ld i/r(imiiii Tak. (I'J J. xiv, b figs. 5-6). 

 Bmchycolua gramhii, Takabashi, Canada. Entom. Hi, p. 77(1920) 



and Zool. Mag. Tokio, xxxii, No. 380, pp. 197-108 (1920). 



Wingless viviparous female. 



Brownish green, densely covered with a white powder. Head, 

 eyes, distal halves of antennae, cornicles and cauda black. Antennae 

 browni>li on the basal half. Legs iirownish, except distal halves of 

 feiiinra. apices of tiln'ae, and tarsi b];ick. 



Kddy uval, not elongated, without hairs. Fruntal tubercles ab- 

 sent. I\yes small. Antennae short, rather stout, imbricated, without 

 hairs: the ord juint lacking sensuria; the relative length of joints as 

 follows: lll-li), TV-16, V-li), \'l-;;c. (13 + 23). Rostrum stout, 

 reaching the middle legs. Body without lateral tubercles. Cornicles 

 very small, a little longei- than wicU'. broadest at the base, without 

 constriction. Cauda very large and long, much longer than the hind 

 tarsi, with a constriction about the middle, with many long hairs. 

 Legs rather stout, with some short hairs. 



Length of I)ody — 1.4 nun. Antenna — 0.7.~>mm. 



I lost. — Leersia hexandra. 



Distribution. — Formosa (Taiboku. Tainan), Japan (Tokiu). 



1 1 ii hei'to unrecorded from Formosa. 



Many wingless females are often completely submerged in the 

 Avater on the blades of the host and apparently in no wise disturlied or 



