449 



narrow carina that at the apex forms a nearly triangulär, 

 very little elevated reddish brown spöt. The eyes with a 

 very strong emargination at the inner margin. The lower 

 margin of this emargination marked with a light reddish 

 brown stripe. 



The interval between the eyes on the vertex as long as 

 the joints 2 + 3 + 4 of the nagellum. The interval between 

 the' posterior ocelli very little shorter than the distance from 

 the eyes. 



The black mesonotum with an indistinct reddish middle- 

 stripe. The postseutellum with two acute protuberances and 

 the metathorax bidentate. 



The second abdominal segment 6n the ventral side with 

 two reddish longitudinal ridges in the anterior half. The 

 dorsal side in the front-angles with reddish spöts. 



The wings dark fuscous, darker along the costa. The 

 exteriör margin without darker band. In certain lights with 

 a violet effulgence. The radial cell short, truncated at the 

 apex. The distance on the radial nervure between the end 

 and the insertiug-point of the third transverse cubital ner- 

 vure longer than the distance between the second and third 

 transverse cubital nervure. 



Length 21,5 mm. 



Exp. 43 mm. 



S. uncata Tullgr. n. sp. (Pl. 25, fig. 11 a, b.) 



This species nearly reJated to the preceding ones, from 

 which it differs principally by having the postseutellum en- 

 tirely plain. 



A single female from Kitta ( s 1891). 



Female. — Black; the cheeks are reddish, the mandibulee 

 dark brown, the antennas, the clypeus and a triangulär spöt 

 on the front yellowish red. The thorax is dark brown; the 

 mesonotum with black spöts. The legs perfectly r ed-bro wn. 

 The first abdominal segment with two large reddish spöts, 

 that run together in the middle on the dorsal side. 



The mandibulee comparatively short, very little curved. 

 The clypeus is heart-shaped, a little longer than broad, at 

 the apex slightly emarginated, with a shallow middle-furrow 

 up towards the middle. The maxiilary palpi 4-jointed. The 



