56 R. Takahashi. 



imbricated; the relative length of joints as follows : III — 2(^. IV — 13. 

 V— 41 (9 + 32). 



Rostrum stout, nut reaching the middle coxae. Body with a lew 

 lateral tubercles. Cornicles very siiort. imbricated, about twire as Umg 

 as wide, slightly constricted near the distal_end. 



Cauda broader and a little longer than the cornicle, somewhat 

 narrowed at the middle, rounded at the apex, hairy. Legs slender, 

 with many long fine hairs. 



Length of body — 1.3 mm. Antenna — 0.8 mm. 



Winged viviparous female. 



I'urple. Head, eyes and thorax black. Antennae black, paler 

 at the base. Cornicles pule blackish ])urple. Cauda jiurple. Legs 

 pale brown, with the apices of tibiae, and the tarsi black. Wings 

 clouded along the veins; veins black; stigma gray. Body with some 

 hairs. Frontal tubercles very short. Antennae imbricated, b-jointed, 

 without hairs: the 3rd joint with 4 sensoria; the 3rd, 4th and 5th joints 

 nearly equal in length: the bth the longest, a little shorter than the 

 3rd, 4th and olh taken together, the basal part nearly as long as the 

 half of the 5th. Rostrum stout, not reaching the niiddie coxae. The 

 7th al)domiiial segment wilb a lateral tubercle. Wings somewhat 

 narrow; the 3rd oblique reaching the wing-apex; bind wings with 2 

 nearly parallel obliques; honklets 3. Cornicles very short, nearly 

 twice as long as wide, slightly constricted at the apical portioi* 



Cauda rounded at the apex, with many long tine lateral hairs. 

 Legs with some short and lung bristles. 



Length of body — 1.15 mm. Antenna — !.(• mm 



Fore wing — 1.7">mni. Width of fore wing — U.bmm. 



Host. — 3Iiscanthus sp. * 



Distribution. — Formosa (Taihoku, Koshyun) 



The winged females are very raic and the >exiial forms have 

 never l)een collected. 



