47 



tellum, abdomen and femora black tinged with red, especially on 

 abdomen; labium, tibiae and tarsi yellow. Tegmina brown with red 

 veins; a white mark across middle of costal cell; median, radial and 

 subcostal apical veins lighter red and bordered with white, an irreg- 

 ular triangular dark mark on base of first and second apical and 

 median cells; wings brown, veins dark. 



Ventral edge of pygophor truncate, lateral edges slightly and 

 roundly produced; anal segment large and broad, narrowed slightly 

 toward the truncate apex, ventral surface excavate, anus near apex; 

 genital styles extending slightly beyond anal segment, narrow, apices 

 rounded, in ventral view the middle of the inner edge produced into 

 a small point, which on the inner surface stands up as a small flat- 

 tened process. 



Length 2.5 nmi. ; teginen 4 mm. 



Hab. Horisha; Klappan, December (F. ^luir). 



Nesokaha. 



(1) N. infuscata sp. n. { $ 9 ). 



In profile the angle at junction of vertex and face nearly 

 obliterated. 



Light yellow; keels on face and vertex tinged with brown, a brown 

 mark from back of eye over the sides of pronotum and scutellum, 

 tegulae dark brown, abdomen and genitalia brownish. Tegmen brown, 

 veins red, apical half of subcostal cell, second and third median apical 

 cells, the greater portion of clavus and between the cubital veins, yel- 

 lowish. In the female the yellow is more extensive, spreading from 

 clavus into cubital, median and radial cells; wings brown, veins dark. 



Ventral edge of pygophor truncate, thickened; lateral edges very 

 slightly and angularly produced; anal segment large, long, straight- 

 sided, narrowing slightly towards apex where each corner is produced 

 into a downward-turned point, anus at apex, ventral surface excavate; 

 styles large, as long as anal segment, apices drawn out into upward 

 turned point, in ventral view outer edges nearly straight to near tip 

 where it curves, inner edge produced into a broad spine slightly be- 

 yond middle. 



Last ventral abdominal plate produced angularly in middle, com- 

 pressed laterally so that it appears longitudinally ridged; anal seg- 

 ment very short, apex truncate, each corner being produced into a 

 small point. 



Length 3. mm. ; tegmen 5.5 mm. 



Hab. Horisha, Formosa, December (F. Muir). 



