"2r2 REVISION OF THE THYNNID^ OF AUSTRALIA, I., 



longer and more gradually widened, the second segment depressed 

 at the base above. The whole abdomen shining, smooth on the 

 basal segments, densely and shallowly punctured on the two or 

 three apical segments. Hypopygium with an acute spine on each 

 side, thence very narrowly produced with parallel sides, narrow- 

 ing slightly and abruptly into the apical spine. Black; the 

 antenna? bright orange, the clypeus at the apex, the mandibles 

 and two minute spots between the antennae fuscous. Length 

 11 mm. 



9. Unknown. 



Hah. — Victoria (French). 



Near A. petiolatus Sm., from which it may be easil}'- distin- 

 guished by the shining median segment and the slenderer 

 abdomen. 



A. HOSPES, n.sp. 



(J. Head broad, slightly and widely emarginate posteriorly, 

 occiput with rather sparse, fine, shallow punctures, front densely 

 and coarsely punctured. Clj^peus with a strong median longi- 

 tudinal carina, densely clothed with white pubescence. Thorax 

 punctured, most finely on the protborax; the anterior margin of 

 the prothorax slightly raised, with a narrow, smooth, depressed 

 line behind it. Scutellum broadly rounded posteriorly. Median 

 segment rounded to the apex, ver}'- finely punctured. Abdomen 

 petiolate, oval, shining, subpunctate; the epipygium rugose, with 

 a delicate median carina. Hypopj'gium with a spine on each 

 side near the base, thence narrowly produced and rounded at the 

 apex, with a sharp apical spine. Beneath the abdomen is more 

 strongly punctured, the first segment has an oblique triangular 

 truncation at the apex. Hind trochanters with an acute spine 

 beneath. Entirely black. Wings fusco-hyaline, with violet 

 reflections, lighter at • the base and apex, nervures fuscous. 

 Length 14 mm. 



9. Unknown. 



Hah. — Australia. 



Type in Oxford University Museum, ex Coll. Saunders. 



