42 R. Takahashi. 



witli a lilunt lateral tuliercle. ot wliicli those on the piuthoiax a little 

 larger than those on the alxlonien. Cornicles long, cylindrical, 1 rnadest 

 at the hase. i^radually ta))ering, almost as long as ur very -lightly longer 

 than the onl antenna! joint, almost twice as long as the Cauda, 

 imbricated. Cauda normal, with -mne long lateral l)ristle<. Legs 

 .stout, with many rather long setae. 



Length of body — 1.2 mm. Antenna — l.n mm. 



Cornicle — about O.;') mm. 



Winged viviparous female. 

 Colour almost as in the wingless form. Stigma gray. IJody 

 without hairs. Frontal tul>e]'cles very short, .\ntennae ind)ricated, 

 without hairs: the ^Jrd joint with 8-9 circular sensoria of median and 

 small size almost in one row; the 4th joint lacking sensoria: the rela- 

 tive length of joints as follows: III— 29, IV— 22. V— 20. VI— 40 (lU 

 + 30). llostrum reaching the middle coxae. Prothorax and the 1st 

 ami 7th abdominal segments with a l)hnit. rather large tubercle on 

 each side, of which those on the prothorax larger than those on the 

 abdomen. Wings with the ord oblique once forke<i; bind wings with 

 2 parallel obliques; booklets 2 or 3. 



Cornicles not reaching the caudal apex; ind)i-icated. broadest at 

 the base, somewhat tapering. Cauda normal, with some long lateral 

 bristles. Legs with many setae. 



Length of body — 1.2 mm. .VnttMina — 1.15 mn). 



Fore wing — 2.3 nnn. 

 Host. — Leoiturus sibiricus. 

 I <istril)ulion. — l'\)rmosa (Taihoku). 



Collected by Mi'. V.. Km^isawa. 



Toxoptrni iiiinuUii (Boyer.) 

 Ap/iit <ii<r<(iifii,Boyer, .\nn. Lnt. Soc. France, x. j). 17(S (1S41). 

 Toxopiei-a auranlll. Koch, lUePtlanz.. p. 2r)4 (l.s.")4-7); Fullaway, 



