46 



apices are not so broad and the protuberances on inner surface differ. 

 5 , Medio-ventral portion of last ventral abdominal plate swollen, 

 ventral edge produced in middle, on left side edge of production even, 

 right side angular at base, apex rounded; anal segment small, as wide 

 as long, apex rounded, anus in middle. 



Length 3.5 iimi. ; tegmen 5 mm. 



Ilab. Japan ; Kamakura, September, common on oak ; 

 Okitsn, October, on oak. 



I name this species after Mr. Okada, from whom I received 

 the first specimen. 



(6) T^. untbripennis sp. n. ( S ). 



Light reddish brown; tip of labium and round spot on pleura 

 black, a dark brown mark over each side of scutellum, abdomen fus- 

 cous, hind margin of ventral plates yellowish. Tegmina fuscous brown, 

 a small lighter hyaline spot on costa at end of costal cell, veins darker; 

 wings fuscous, veins dark. 



Ventral edge of pygophor truncate, lateral edges angularly pro- 

 duced, apex pointed; anal segment large, length more than twice the 

 breadth, a small projection in middle of base, apex slightly emargi- 

 nate, sides sub-parallel, anus about middle; styles large, reaching be- 

 yond anal segment, widest about middle, upper edge straight till near 

 apex where it curves upward, lower edge convex, turned upward near 

 tip, apex deeply emarginate; two rounded processes on inner surface 

 near base. 



Length 3.5 mm. ; tegmen 5.5 mm. 



Hab. Horisha, Formosa, May (M. Maki) ; December (F. 

 Mitir). 



Devadanda. 



(1) D. per pie. ra sp. n. { $). 



The antennae of this species differs somewhat from the de- 

 scription and figure of the type of this genus. The first joint 

 is very small, second joint consisting of two portions, a small 

 sub-globose portion, from which the arista arises, and from the 

 base of this a longer, cylindrical, portion bearing long, narrow 

 "scales" or ''sense organs" irregular in position. Face in pro- 

 file not produced so much as in D. pecinuda. 



Edge of vertex and face black, a black mark from eye to edge of 

 face, rest of face and vertex transparent; clypeus, pronotuni, scu- 



