A. TULLGREN, HYMENOPTERA ACULEATA FROM THE CAMEROONS. 433 



Sc. (Elis) deserta Tullgr. n. sp. 



Three niales. 



Black with yellow markings. Abdomen with an intense 

 blue effulgence. The following parts are yellow: tlie clypeus 

 (though it has a little transverse brownisli spöt in the middle) 

 a narrow stripe along the inner margin of the eyes, the pro- 

 notnm, scutellum and postscutellum, a narrow transverse 

 stripe at the hind-edge of the dorsal abdominal segments 1 

 — 4, a narrow, in the middle abrupted, transverse stripe at 

 the hind-edge of the ventral segm. 2 — 4, a spöt on the first 

 pair of coxEe, a stripe on the npper side of the anterior tibise 

 and more or less distinct spöts at the apex of the femorse. 

 The body is thinly clothed with fine cinereous hairs at the 

 hind-end of the abdomen richly mixed with black ones. The 

 sides of the thorax with short silvery adpressed hairs. 



Clypens sparsely punctured at the npper margin, the 

 front and the vertex sparsely pnnctured. Pronotum finely 

 not verv closely pnnctured; mesonotum with very coarse 

 punctures; scutellum and postscutellum nearly smooth in the 

 middle; metanotum densely and strongly pnnctured; abdomen 

 with scattered punctures över the whole surface. 



Wings fuscous-hyaline with the nervures nearly black. 

 Two cubital cells. The second transverse cubital nervure is 

 attached to the radial one a little before the middle. 



Length 17.5 mm. Exp. 30 mm. 



Sc. (Elis) aethiopica Tullgr. n. sp. 



One single male. 



Black with yellow markings. Abdomen with a blue 

 effulgence. The following parts are yellow: clypeus and the 

 base of the mandibulai, the best part of pronotum, two spöts 

 on the scutellum and a transverse spöt on the postscutellum, 

 a small basal spöt on the tegulse, an apical transverse band 

 on the dorsal abdominal segments 1 — 3, of these bands the 

 third one is very narrow, the two first are broader and in 

 the middle-line projecting in a short forward-directed stripe, 

 the second band with two very small brownish spöts; on the 

 ventral side of abdomen a narrow stripe on each side of seg- 

 ments 2 — 3 a spöt on the anterior cox^e, a stripe beneath the 

 femoree and a stripe on the npper side of the two first pair 

 of tibise. 



