KHAGIGASTEli. 175 



the anterior femora in front, the tarsi, and coxa3 yellow ; the inter- 

 mediate and posterior trochanters, the extreme apex of the femora 

 beneath, their tarsi, and the posterior tibiae at their base and also 

 outside, yellow. Abdomen with a thin grey pile. 



Hah. Brazil. 



3. Anthobosca aethiops. 



Male. Length 6^ lines. — Black ; the head and thorax strongly 

 punctured. The head a little wider than the thorax, with a very 

 narrow white line at the inner orbits of the eyes ; the face and 

 cheeks with griseous pubescence ; the antennae incrassate, extend- 

 ing to the scutellum. The sides of the thorax parallel ; the meta- 

 thorax transversely quadrate ; wings subhyaline ; the calcaria pale 

 testaceous. The abdomen with delicate shallow punctures, and 

 having a thin cinereous pile. 



Hah. "West Australia, Champion Bay. 



This species is separated from A. nigra by the square form of the 

 metathorax, and by having a white line at the margin of the eyes : 

 its legs are also totally black. 



RHAGIGASTER, Guerin. 

 1. Rhagigaster aethiops. 



Male. Length 8| lines. — Black, shining, punctured, the mesothorax 

 and scutellum coarsely so ; wings hyaline, with black nervures. 

 The tips of the mandibles ferruginous ; the clypeus shining and 

 finely punctured, its anterior margin emarginate, the lateral angles 

 of the emargination acute. The prothorax not very strongly punc- 

 tured, its anterior margin acute and somewhat raised ; the sides, 

 beneath, and the metathorax with thin hoary pubescence. The 

 segments of the abdomen constricted, the apical margins of the 

 segments depressed, with scattered shallow punctures. 



Female. Length 6 lines.— Black, with the meso- and metathorax and 

 legs ferruginous. The head smooth and shining above, anteriorly 

 rugose ; the antennae and mandibles rufo-piceous ; the thorax 

 smooth and shining, and, like the head, with a few scattered 

 punctures ; the abdomen smooth and shining, with the extreme 

 apex rufo-piceous. 



Hah. Adelaide. 



2. Rhagigaster fuscipennis. 



Male. Length 6 J lines. — Black, shining, sparingly punctured on 

 the thorax and abdomen ; wings fusco-hyaline, with a violet irides- 



