164 REVISION OF THE THYNNID^ OF AUSTRALIA, II., 



scattered punctures; first ventral segment with an acute tubercle 

 at apex. Hypopygium rounded, with a short apical spine. The 

 size is very variable, but the type is of about the average length. 

 Hah.— Adelaide, S.A.(Smith). 



96. T. (Agriomyia) suspiciosus Sm. 



Thynnus suspiciosus Sm., Descr. n.sp. Hym. p. 1 61, n. 10, 1 879( ( J). 



g. Clypeus minutely punctured, very narrowly truncate at 

 apex. Head and thorax very finely and closely punctured; a 

 delicate carina reaching from anterior ocellus to base of clypeus, 

 interantennal prominence bilobed. Scutellum long, subtriangular, 

 narrowly rounded at apex. Median segment obliquely truncate 

 from postscutellum. Abdomen sparsely punctured; first segment 

 with a tubercle at apex beneath. Hypopygium rounded, with a 

 minute apical spine. 



Hab. — Swan River, W. A. (Smith). 



97. T. (Agriomyia) albopictus Sm. 



Thynnus (Agriomyia) albopictus Sm., Cat. Hym. B.M. vii. p.26 r 

 n.67, 1859(5). 



(J. Clypeus convex, produced and narrowly truncate at apex, 

 shining and very finely punctured. Head and thorax opaque and 

 finely rugose; scutellum coarsely punctured, with a feeble longi- 

 tudinal carina; median segment very short, abruptly but not 

 quite vertically truncate posteriorly, finel} 7 punctured. Abdomen 

 fusiform, shallowly punctured; first segment very short, and 

 marked from base almost to apex with a sulcus; sixth segment 

 strongly punctured. First ventral segment with a long tubercle 

 at apex. Hypopygium rounded, with a short apical spine. 

 Colour pale yellow, not white. 



#a&.~Swan River, W.A.(Smith). 



98. T. (Agriomyia) Adelaide, n.sp. 



(J. Clypeus produced and rather narrowly truncate at apex, 

 closely punctured on sides, more sparsely at apex, the centre 

 nearly smooth, a short carina from base continued by a faintly 



