22 A MONOGRAPH OF THE AUSTRALIAN MEMBJiACrD.E, 



of the dorsum ; the posterior process is triquetrous, tectiform, 

 lightly gibbous at the base, broad for a distance, thereafter 

 gradually acuminate to the apex which reaches the end of the 

 abdomen. 



Tegmina Ijroad, basal third black, punctured and opaque, the 

 remainder transparent smoky, veins, and a large spot on the disk, 

 piceous. 



Sides of the chest and scutellum yellow pubescent. 



Legs strong, piceous; tibiae triquetrous, slightly flattened, a 

 central carina from base to apex. 



Long. 5 6; lat. 3 mm., inch lat. corn. 4 mm. 



Described from two females. 



Types in Coll. F.W.G. 



Hab. — South Australia (Tepper) : Mt. Barker, West Australia 

 (Lea). 



The ear-shaped lateral horns will easily distinguish this species. 



*S. Tepperi, sp.nov. 



Head black, punctured, triangular, apex produced strongly 

 backward; ocelli on a line with superior border of eyes and equi- 

 distant from them and from each other. 



Prothorax piceous brown, base black, punctured, furnished with 

 a median percurrent carina, and armed on each side, above lateral 

 angles, with a short, stout, triquetrous, acuminate horn turned 

 upward, very lightly outward, and strongly forward, the upper 

 surface marked with two or three small carina near the front 

 edge, the posterior edge of each horn continued for some distance 

 on the posterior process as a carina, parallel to the median 

 carina; posterior process very broad and convex at base, gradually 

 narrowed to the middle, thereafter slender and acuminate, reach- 

 ing tips of tegmina. 



Tegmina smoky yellow, basal fourth piceous, punctured and 

 opaque, the remainder transparent, veins ferruginous and thick. 



Body below black; tibiae and tarsi lighter. 



Long. 9 6; lat. 2 ram.; incl. lat. corn. 3 mm. 



Described from two females. 



