Mr. W. L. Distant on Hoinoptora. 277 



attenuated posteriorly, not longer than space between apex 

 of head and base of cruciform elevation ; tympana entirely 

 exposed ; opercula in male very small, the cavities almost 

 entirely exposed ; rostrum about reaching the anterior coxa3 ; 

 face moderately compressed, strongly longitudinally sulcate ; 

 tegmina and wings hyaline; tegmina with eight, wings with 

 six apical areas, which in both cases arc shorter than half 

 their length. 



Type, S. nutans^ Walk. {^Ceplialoxys). 



Jacatra, gen. nov. 



Head (including eyes) about half the breadth of base of 

 mesonotum, about as long as bioad, front moderately pro- 

 duced, subtriangular, considerably shorter than vertex, its 

 lateral margins and those of vertex discontinuous, ocelli 

 nearer to each other than to eyes, well separated from base of 

 head ; pronotum about as long as head, its posterior angles 

 somewhat strongly ampliate; mesonotum (including cruci- 

 form elevation) longer than pronotum ; abdomen robust, 

 centrally longitudinally ridged, longer than space between 

 apex of head and base of cruciform elevation ; tegmina 

 hyaline, apical areas eight, first ulnar area longer than third, 

 fourth ulnar area shorter than radial area, the transverse vein 

 at base of third ulnar area strongly angulated and emitting a 

 short rudimentary vein halfway across fourth ulnar area ; 

 wings with six apical areas. 



Type, J. ti/pica, Dist. 



Jacatra typica^ sp. n. 



Body, legs, tegmina, and wings pale dull ochraceous ; 

 head slightly tinged with virescent ; pronotum with the 

 margins and a central longitudinal fascia virescent ; meso- 

 notum with two anterior central obconical spots, denoted only 

 by their pale margins, and witli a broad virescent fascia on 

 each lateral area; posterior segmental margins (excluding 

 basal and apical segments) pale testaceous ; tegmina with a 

 dull ochraceous tint, the venation and costal membrane a little 

 darker, the veins also alternately marked with elongate 

 darker and lighter spots ; wings with a dull ochraceous tint, 

 the veins darker ; tegmina with the additional curved rudi- 

 mentary vein very distinct and perfect for halfway across the 

 apical area of fourth ulnar area. 



Long., (^ , 20 mm. ; exp. tegra. 47 mm. 



IJab. Java (Brit. Mus.). 



