424 



depressed snowy white pubescence which becomes black on the black 

 part, and which is intermixed a very few inconspicuous short dark 

 hairs on the upper side ; middle tibiae only at the extreme tip brown- 

 ish, densely covered with an abundant much shorter pure- white 

 pubescence but the tip there, are some black hairs, and bearing two 

 unequal brownish black apical spurs; hind tibiae the same as the 

 middle pair but their pubescence slightly lunger and their apical 

 brownish portions slightly larger. 



Abdomen about as long a* the head and thorax (including the 

 scutellum) together, slightly broader than the thorax, with the roundish 

 apex, and rather flat. Dorsum deep brownish black with the sides 

 of the first segment and the middle part just under the scutellum very 

 faintly yellowish brown, covered with an abundant dense rather stout 

 black pubescence, and some yellowish hairs, which appear on the 

 yellowish brown parts . of the first segment and on the middle part of 

 the second segment, and on the middle line of the third segment 

 there is a very few similar yellowish pubescence which is, however, 

 not to be discerned, while the segmentations bear no yellowish hairs 

 as Indian specimens have ; belly blackish covered with some yellowish 

 brown but somewhat shining, and covered with a dense short depressed 

 black pubescence all over. 

 . . , Length.; 18.5 mm. 



The species described above is very slightly different from 

 Indian species, being much, darker and bearing less yellowish pubes- 

 cence on. the abdomen, but it is quite identical with that. Only one 

 female has been collected by Mr, M, Yoshi-no at Kusukusu in Koslum- 

 Cho, May : 3,1st, 1918, and it is known that the female is a blood- 

 *>uck;er. against human being. 



