434 ARKIV FÖR ZOOLOGI. BAND 1. 



Head and thorax clothed with short grayish-yellow hairs, 

 on the sides of the thorax the pubescence is very short and 

 of nearly silvery colonr. The hairs of the abdomen grayish, 

 mnch longer and at the hind-end inixed with black ones. 



The punctuation agreeing with the above-mentioned 

 species. 



Wings hyaline with a little infnscated spöt at the apex. 

 Two cnbital cells. The second transverse nervure is attached 

 to the radial one a little behind the middle. 



Length 14 mm. Exp. 23 mm. 



Se. (Liacos) nigrita Fabr. 



Saussure and Sichel 1. c. p. 35. — Saussure in Grandi- 

 dier Hist, d. Madeg. Fasc. 25, P. I, p. 227. 



A single female ( 2 /s 1891). 



Geographical distribution. — Central and South Africa, 

 Madegascar. 



Se. abyssinica Sauss. 



Saussure and Sichel 1. c. p. 87. 



Three males. Bonge ( 10 /io 1891) and Kitta ( 2 /s 1891). 



Geographical distribution. — Africa: Sierra Leone, Abvs- 

 sinia. 



Se. ebenina Sauss. 



Saussure and Sichel, 1. c. p. 80. 



To this species I count not without hesitation a single 

 female. 



Black brilliant with black pubescence. 



Clypeus triangularly raised in the middle; the lower 

 margin nearly threelobed. Between the base of the antennse 

 and the ocelli a transverse very strongiy and densely punc- 

 tured band. The front sparsely, the vertex densely punctur- 

 ed. The scapus of the antennse impunctate. The mesono- 

 tum densely punctured in the front, more sparsely on the 

 sides and nearly smooth in the middle. The other parts very 

 densely punctured. The first abdominal segment strongly 

 punctured on the back, more sparsely and finely behind than 

 in front. In the middle-line near the base a small coarsely 

 punctured impression. The other segments nearly smooth in 

 the middle. 



